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Parametric Catalogue of Italian Earthquakes

CPTI15

Release v1.5

Editors
Andrea Rovida, Mario Locati, Romano Camassi, Barbara Lolli, Paolo Gasperini

Macroseismic data management and revision
Raffaele Azzaro, Filippo Bernardini, Romano Camassi, Salvatore D’Amico, Emanuela Ercolani, Mario Locati, Antonio Rossi, Andrea Rovida, Andrea Tertulliani

Parameter assessment and revision, instrumental data management
Paolo Gasperini, Barbara Lolli, Carlo Meletti, Andrea Rovida

Data management and parameter assessment for the Etna area
Raffaele Azzaro, Salvatore D’Amico

With contributions by
Paola Albini, Viviana Castelli, Carlos H. Caracciolo,
Vera D’Amico, Silvia Pondrelli, Alessandro Rebez

Website by
Mario Locati

CPTI15 was compiled in the framework of INGV research line T3
“Pericolosità sismica e contributi alla definizione del rischio”
and it is a contribution to the activities of the Annex A to the
Framework Agreement INGV-DPC 2012-2021.

July 2016


Download the CPTI15 description as a PDF file


Index

Information notes

   Terms of use
   Citation
   License
   Disclaimer

Foreword

1. Introduction

2. Structure

   2.1. Default parameters
   2.2 Macroseismic parameters
   2.3 Instrumental parameters

3. What is new with respect to CPTI11

Bibliography

Appendix 1 – CPTI15 table format

Appendix 2 – Macroseismic datasets

Appendix 3 – Instrumental datasets

Appendix 4 – CPTI11 earthquakes not in CPTI15


Information notes

Terms of use

CPTI15 is made openly available via its dedicated website at http://emidius.mi.ingv.it/CPTI15-DBMI15. By the end of 2016 is foreseen a dedicated “web service” that will enable a machine friendly interface for accessing the catalogue.

CPTI15 is a scientific product released by Istituto Nazionale di Geofisica (INGV) that required few years of work and makes available data released by various authors from different institutions.

CPTI15 can be used for educational and non-profit scientific purposes only. The source must always be cited.

It is forbidden to reproduce the website, even partly, under a different name or address, or to use its content to establish other websites having the same purpose.

Any commercial and profit use is explicitly forbidden without a prior agreement with INGV.

If you would like to obtain additional permissions to use the work beyond those granted by the license that has been applied, or if you’re not sure if your intended use is permitted by the license, you should contact the authors.

Citation

CPTI15 can be used, even partly, but it must be cited as follow:

Rovida A., Locati M., Camassi R., Lolli B., Gasperini P. (eds), 2016. CPTI15, the 2015 version of the Parametric Catalogue of Italian Earthquakes. Istituto Nazionale di Geofisica e Vulcanologia. doi:http://doi.org/10.6092/INGV.IT-CPTI15

License

CPTI15 is released under the following license
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
CC BY-NC-SA 4.0
https://creativecommons.org/licenses/by-nc-sa/4.0/

Disclaimer

CPTI15 delivers data on the Italian seismicity and it is based on the available scientific knowledge; however, due to the complex natural phenomena covered, INGV cannot be made responsible for any incomplete or unreliable data provided in the catalogue, or to future events that may be inferred by users on the basis of the data provided.

The Istituto Nazionale di Geofisica e Vulcanologia and the CPTI15 authors are not responsible for the use that might be made of the data provided, nor are they responsible for any damage to third-parties caused by conclusions based on the data provided.


Foreword

Thirty years ago, in 1985, the compilation of the "Catalogo dei Terremoti Italiani dall’anno 1000 al 1980" (Catalogue of Italian Earthquakes from the year 1000 to 1980) in the framework of the “Progetto Finalizzato Geodinamica” was completed and published by Daniele Postpischl (Postpischl, 1985a). The Working Group that authored the catalogue had the goal of verifying the information on Italian earthquakes listed in different available catalogues, in particular the ENEL (1977) one, and compile a new, state-of-the-art catalogue. At the conclusion of that work, which had appeared as preliminary with respect to the initial goal, the entire, almost forgotten subject area of historical seismology had emerged and “the first concrete advancements in the still long course of the research, towards the development of final products” were represented by the catalogue and the monographs on large earthquakes collected in the “Atlas of isoseismal maps of Italian earthquakes” (Postpischl, 1985b).

The possibility of having final products was rapidly abandoned, as testified by the long process that has led to the current version of the Italian Parametric Earthquake Catalogue, which inherited that epoch. Through years the possibilities of improving the knowledge on earthquakes already known to the seismological tradition have been - and still are - manifold, and new research strategies have developed.

The new version of the Catalogue, after thirty years, is a further important contribution to the advancements of the understanding of the seismicity of the Italian territory, the definition of seismogenic processes, the identification and characterization of active structures and the improvements of seismic hazard assessment.

The first version of the Parametric Catalogue of Italian Earthquakes (Catalogo Parametrico dei Terremoti Italiani, CPTI99; CPTI Working Group, 1999) was published in July 1999. It aimed at unifying and homogenizing, by using the same parameterization procedures for all the events, the information on Italian earthquakes since then produced by different investigators or reported by different catalogues (NT4.1, Camassi and Stucchi, 1997; CFTI 1 and 2, Boschi et al., 1995; 1997).

In 2004, the second version CPTI04 (CPTI Working Group, 2004) was published as the catalogue to be used in the framework of the Italian seismic hazard assessment MPS04 (MPS Working Group, 2004; Stucchi et al., 2011). CPTI04 was indeed new only as concerns the 1981-2002 portion, the remaining portion being the same as CPTI99 with the exception of the conversion of Ms to Mw with empirical relationships. Some experimental and/or partial version were then released within INGV or to specific research projects.

The third published version, named CPTI11 (Rovida et al., 2011), was released in December 2011. Together with a remarkable update of the input data, both macroseismic (collected in the 2011 release of Italian Macroseismic Database DBMI11; Locati et la, 2011) and instrumental, the most important innovations with respect to previous versions regarded the catalogue structure, consisting of three sets of earthquake parameters, i.e. macroseismic, instrumental, and preferred ones, and the inclusion of records related to many fore- and after-shocks. Nonetheless, for time constraints only studies contributing macroseismic data published before 2007 were taken into account and neither the empirical conversion relations for homogenizing instrumental magnitudes to Mw nor the calibration used to assess parameters from macroseismic data - except the experimental application of the method by di Bakun e Wentworth (1997) to a few offshore earthquakes - were updated.

Thanks to the improved methodologies developed in the framework of some European projects and, mostly, to the wealth of new macroseismic data published in the last five years, together with revised calibrations of instrumental magnitudes, a new important update of the catalogue, as well as a new release of the companion macroseismic database DBMI, has been released as CPTI15.


1. Introduction

The new version of the Italian Parametric Catalogue CPTI15 (Catalogo Parametrico dei Terremoti Italiani) represents a significant innovation with respect to the previous ones, which are then outdated. Although the general compilation criteria are the same followed for the previous CPTI11 version, the catalogue content has been in-depth revised as concerns:

  • the time coverage, extended from 2006 to the end of 2014
  • the associated macroseismic database (DBMI15; Locati et al., 2016), completely updated;
  • the considered instrumental data, new and/or updated;
  • the energy thresholds, lowered to intensity 5 or magnitude 4.0 (instead of 5-6 and 4.5, respectively);
  • the determination of parameters from macroseismic data, based on a new calibration of the Boxer method;
  • the instrumental magnitudes, resulting from new sets of data and new conversion relationships.

The catalogue covers almost the same area as CPTI11 (Figure 1), i.e. the entire Italian territory together with some neighbouring areas and seas, and counts 4584 earthquakes in the time period 1000-2014. The catalogue considers and harmonizes as much as possible input data of different type and origin.

The selected magnitude is moment magnitude (Mw), and for all the earthquakes the related uncertainty is provided. All the data and methods considered are clearly indicated in the catalogue, in order to guarantee the maximum transparency of the compilation procedures. As CPTI11, CPTI15 is not declustered, and contains all the foreshock and aftershocks available and known within the considered intensity and magnitude thresholds.

Figure 1. Map of the epicentres of the earthquakes listed in CPTI15, by Mw classes. The border of the new areal coverage is shown together with that of CPTI11 (dashed).

The catalogue contains earthquakes with maximum intensity greater than or equal to 5, together with those of instrumental magnitude equivalent (according to the adopted methods and conversions) to Mw 4.0 or larger. A few earthquakes with Mw < 4.0 are also included in the catalogue for the following reasons:

  • for the earthquakes in the Etna volcanic region, according to the adopted conversions (see below), epicentral intensity 5 corresponds to Mw 2.6;
  • for the earthquakes in the Phlegrean volcanic region, according to the adopted conversions (see below), epicentral intensity 5 corresponds to Mw 3.1;
  • with the exception of some earthquakes in the Etna area and those assessed as fake, all the earthquakes listed in CPTI11 are included in the new version, even if new data or the new calibrations (or both) result in Mw < 4.0.

Figure 2 shows the catalogue content by bins of 0.5 magnitude units.

Figure 2. Mw distribution of the earthquakes in CPTI15.


2. Structure

As in CPTI11, data are organized in three sections, plus the general parameters (identifiers, origin time, epicentral or most affected area):

  1. default parameters;
  2. macroseismic parameters;
  3. instrumental parameters.

The structure of the catalogue file is shown in Appendix 1.

The codes in the field “Sect” indicate four different geographical portions of the catalogue and identify the earthquakes of the Etna and Phlegrean volcanic areas (for which specific energy thresholds and parameterizations were adopted), and the deep subduction earthquakes of the Southern Tyrrhenian Sea and Calabrian Arc.

The origin time generally derives from the study or catalogue indicated in the field “MainRef”.

Epicentral areas were revised and recompiled with homogeneous criteria, and the related field is compiled for all records.

2.1 Default parameters

Default parameters include the main reference to primary input data, i.e. the macroseismic study, the instrumental catalogue, or the parametric catalogue from which the epicentral location was determined.

2.1.1 Default location

The type of default location is indicated in the field “TLDef” and it is macroseismic (code “MM”) or instrumental (“II”) as available in the primary data, otherwise it is selected between the two possible alternatives (“MI” means the selection of the macroseismic location, “IM” the instrumental one). In the latter case, the macroseismic determination of the epicentre is preferred for earthquakes up to 1984, and the instrumental for later earthquakes. There are several exceptions that are related, for example, to earthquakes located at sea or close to the coast, for which it is generally selected the instrumental location. The macroseismic location is conversely preferred in areas where the coverage of the seismic network was in the past scarce. However, selections were as much as possible made taking into account the reliability of the available data. In general, for earthquakes located in bordering countries the epicentre proposed by the corresponding national catalogue (marked with “PC” in the field “TLdef”) was preferred, with the exception of French earthquakes, for which the macroseismic data contained in the SisFrance (BRGM-EDF-IRSN/SisFrance, 2014) database were processed.

Macroseismic data of 84 earthquakes in DBMI15 were not considered reliable enough to be parametrized (e.g. those related to aftershocks); additional 26 records correspond to earthquakes for which neither macroseismic nor instrumental data are available, although they are well attested by the reference study.

Figure 3. Type of default epicentral location in CPTI15. MI = macroseismic (alternative to instrumental); IM = instrumental (alternative to macroseismic); II = instrumental (only option); MM = macroseismic (only option); PC = from parametric catalogue; NP = not determined.

The hypocentral depth (field “DepDef”) is compiled only when the selected epicentre is instrumental and it is provided by the reference catalogue.

2.1.2. Default epicentral intensity

Epicentral intensity is provided for 3424 earthquakes for which macroseismic data were processed with the Boxer method (2922 records, see Section 2.2), or from the reference parametric catalogue (421 records) when provided. For 81 earthquake of the Etna area, epicentral intensity is derived from the study referenced for macroseismic data, instead of having been calculated by Boxer.

2.1.3. Default magnitude

Default magnitude is assessed from macroseismic or instrumental data, according to the availability and following the procedures described in the following.

If both a macroseismic and an instrumental magnitude estimates are available for the same event, unless the instrumental magnitude is a genuine moment magnitude, the default magnitude is the average of the two values, weighted with the inverse of the square of the associated uncertainties. In such cases, the uncertainty is estimated as the square root of the inverse of the sum of the weights.

For records derived from catalogues of bordering countries, magnitude is obtained from epicentral intensity through the empirical relation described in the following (Equation 2), except for the Swiss catalogue ECOS-09 (Fäh et al., 2011), from which Mw values and related uncertainties were adopted. For 45 earthquakes an epicentral location was adopted either from instrumental data or from a catalogue, but no magnitude estimates were found in the literature.

Figure 4 shows the proportion of each magnitude type in the catalogue.

Figure 4. Types of default magnitude in CPTI15 (InsO = instrumental "genuine" Mw; InsC = proxy instrumental Mw; Mdm = macroseismic, from intensity data; MIo = macroseismic, from epicentral intensity; Mpc = from another parametric catalogue; Wmim = mean of macroseismic and instrumental values; NP = not parametrized).

2.2 Macroseismic parameters

Macroseismic data supporting CPTI15 are collected in the Italian macroseismic database DBMI15 (Database Macrosismico Italiano, version 2015; Locati et al., 2016), containing 122’701 intensity data related to 3212 earthquakes. Data derive from 185 studies, databases, reports, and bulletins published up to 2016 and listed in Appendix 2. The number of earthquakes with macroseismic data nearly doubled with respect to the previous version of the catalogue and database (from 1681 to 3212 earthquakes, corresponding respectively to the 53% and 70% of the earthquakes in the catalogue).

For each earthquake the reference macroseismic study has been selected among all the available ones, as described in Locati et al, (2016), which are collected, archived, and made available - when possible - through the portal of the Italian Historical Macroseismic Archive “ASMI” (Archivio Storico Macrosismico Italiano). Selected data generally derive from studies which are more recent than those considered for the previous versions DBMI11 and CPTI11, and include 54 new studies published between 2008 and 2016. Such new studies provide data on 1243 earthquakes, out of which 325 were not contained in CPTI11, 722 were not supported by intensity data, and 146 have an updated study.

2.2.1. Macroseismic location

Parameters of earthquakes with macroseismic data were mostly assessed by using the Boxer method (Gasperini et al., 1999; 2010).

A macroseismic epicentre was determined for 3005 earthquakes. Among the location methods available in the 4.0 version of the Boxer code, we selected “method 0” (Gasperini et al., 2010), which determines the epicentre as the barycentre of the data points with the highest intensities. Such a choice was driven by the verified stability of the method even with poor intensity distributions.

For 63 earthquakes with epicentres likely located offshore or in coastal areas the location “method 4” was preferred. Such method calculates the hypocentral location (latitude, longitude, and depth) and the expected epicentral intensity according to the relation by Pasolini et al. (2008), minimizing the sum of the square of the residuals (see Gasperini et al., 2010). For 34 earthquakes out of these 63, the macroseismic epicentre is selected as the default one.

The uncertainty associated with the epicentral coordinates, as calculated by Boxer with both “method 0” and “method 4” is available for 2029 earthquakes, i.e. with enough intensity data.

For 33 earthquakes the location by Boxer resulted inconsistent with the intensity distributions, and the epicentre was modified, in general either assuming it as coinciding with the point of maximum intensity or excluding from the processing one or more high-intensity data points (assumed to be outliers).

For 79 earthquakes in the Etna area the location proposed by the reference macroseismic study, based on observed coseismic surface faulting (see Azzaro et al., 2000), was preferred to that derived from the available macroseismic data points.

In addition to the 86 earthquakes with unreliable intensity data, for 96 earthquakes with macroseismic data, in any case included in DBMI15, macroseismic parameters are not considered as they are inconsistent with the available and reliable instrumental determinations.

2.2.2. Macroseismic magnitude

The majority (90%) of the 3004 macroseismic magnitudes are calculated with the Boxer method, 1614 with the isoseismal method and the new calibration described in the following, and 1096, related to poor intensity distributions, with the new Io-to-Mw relation (Equation 2).

For parametrization purposes, macroseismic data with intensity expressed as non-numerical codes ("HF", "SD", "D", "HD") were converted to numerical values as in DBMI15 and described in Locati et al. (2016), with the exception of “felt” (“F”), which has been calibrated as a separate intensity value (see section 2.2.3). For the 20 earthquakes for which the magnitude was derived from a non-numerical epicentral intensity the converted numerical value was rounded to the closest half degree (F = 4.0, HF = 5.0, SD = 5.5, D = 6.5, HD = 7.5).

The uncertainty associated to the macroseismic magnitude, with 0.10 as a minimum value, is always shown in the catalogue. The uncertainty associated to magnitudes derived from epicentral intensity through Equation 2 was assumed equal to 0.46, corresponding to the standard deviation of the distribution of the individual earthquakes in the calibration dataset.

For earthquakes in the Etna volcanic area, macroseismic magnitude was calculated with the empirical relationship between Io and ML by Azzaro et al. (2011), specifically calibrated for the area. The same relationship was applied also to the earthquake in the Phlegrean volcanic area, for which a specific relationship is not available in the literature. The ML values obtained from Io were then converted to Mw, by using the relationships by Tuvè et al. (2015), and Petrosino et al. (2008) respectively for the Etna and Phlegrean volcanic areas respectively. Earthquakes belonging to such areas (Figure 5) are marked in the field “Sect” of the catalogue (Appendix 1).

Figure 5. Etna (left) and Phlegrean (right) volcanic areas as defined for the purpose of CPTI15, and related seismicity.

2.2.3. Boxer calibration

The calibration of Boxer for calculating magnitude from macroseismic data was updated with respect to that used for CPTI11 (the same used for the 1980-2002 portion of CPTI04). Such new calibration derived from a dataset of 345 earthquakes with Mw between 2.8 and 7.1, selected among those with both macroseismic data (30138 data points, with intensity between 2 and 11 MCS) and instrumental magnitudes, either Mw or proxy (Figure 6). Earthquakes deeper than 30 km and earthquakes with less than 10 intensity data were not included in the calibration dataset, as well as some earthquakes with partial or incomplete intensity distributions (e.g. earthquakes at the border or at sea).

Figure 6. Magnitude and intensity distribution in the dataset used for calibrating Boxer.

Instrumental magnitudes used in the calibration were derived as described in the following section, and they include both moment magnitudes derived from moment tensor solutions and proxy values in order to ensure both a magnitude (or intensity) and temporal coverage as wide as possible. Sixteen intensity classes, i.e. those with intensity between 2 and 9 plus intermediate uncertain values and “felt” as an independent class, were calibrated to be used by Boxer in the formula by Sibol et al. (1987):

Mi = ai + bi log2 (Ai) + ci Io2 (1)

where M is magnitude, Ai is the area of the i-th isoseismal, Io is epicentral intensity, and ai,bi, ci are the coefficients shown in Table 1.

Intensity a b c std Reg df
2 3.12202 0.04414 0.02241 0.2611 10.4 82
2-3 3.01875 0.04769 0.02309 0.1805 10.7 43
3 2.94284 0.05239 0.02345 0.2482 17.9 211
3-4 2.89718 0.05662 0.02400 0.2194 16.4 139
F (3.9) 3.60901 0.02733 0.02374 0.2017 14.0 22
4 3.20351 0.05107 0.02218 0.2413 23.0 224
4-5 3.16818 0.04417 0.02667 0.2390 20.1 134
5 3.69208 0.02425 0.02462 0.2433 27.1 118
5-6 3.97257 0.01983 0.02254 0.2337 21.4 48
6 3.83759 0.03590 0.02196 0.2244 33.8 50
6-7 3.96044 0.03437 0.02104 0.2112 29.5 32
7 4.00027 0.06045 0.01794 0.1942 49.3 27
7-8 4.29349 0.03671 0.01825 0.1265 30.7 15
8 4.45795 0.05282 0.01579 0.1410 41.9 14
8-9 4.70681 0.04980 0.01462 0.0619 29.0 4
9 5.60472 0.14657 - 0.1350 23.1 5

Table 1. Coefficients obtained through the calibration of Boxer.

From the same calibration dataset a new empirical relationship between epicentral intensity Io e moment magnitude Mw was derived:

Mw = (0.4667 ± 0.0191) * Io + (1.8267 ± 0.1571)     (2)
std = 0.11; R2 = 0.99

Equation 2 was applied also to epicentral intensity provided by other parametric catalogues, e.g. those of neighbouring countries, that were used in the lack of intensity data.

The calibration dataset was used also for deriving new coefficients (a, b), and the reference depth (h) of the relationship by Pasolini et al. (2008), used by Boxer location “method 4”

a = 0.00289 ± 0.00021
b = 1.24802 ± 0.01918
h = 7.44523 ± 0.27574

2.3 Instrumental parameters

2.3.1. Instrumental location

Twenty-six catalogues, databases, and studies listed in Appendix 3A provided an instrumental location for 1725 earthquakes in the time-period 1904-2014.

When more than one instrumental determination of the epicentre was available for the same earthquake, the selection was generally performed according to the following temporal priority scheme:

  • ISC (International Seismological Centre) Bulletin from 1963 to 1980;
  • CSTI1.1 (Catalogo strumentale dei Terremoti italiani; CSTI Working Group, 2005) from 1981 to 1996;
  • CSI1.1 (Catalogo della Sismicità Italiana; Castello et al., 2006) from 1982 to 2002;
  • INGV Bulletin from 2003 to 2012;
  • ISIDe (Italian Seismological Instrumental and parametric database) from 2012 to 2014.

The exceptions to the shown criteria are manifold. As an example, the ISC locations were preferred to others also in the period 1981-2012 (end of the Bulletin) for deep events in the Tyrrhenian Sea and for many earthquakes outside the coverage of the Italian seismic network (e.g. Central Adriatic Sea, Ionian Sea, Sicily Channel, Western Tyrrhenian Sea). Similarly, data from local catalogues and bulletins, such as the Bulletin of the OGS (Istituto Nazionale di Oceanografia e Geofisica Sperimentale) for the Friuli Venezia Giulia Region (NE Italy) or different instrumental catalogues for the Etna area (Patané et al., 2004; Distefano e Di Grazia, 2005; Barberi et al., 2015), as well as the instrumental catalogue of France (SI-Hex; Cara et al., 2015) and Slovenia (Živcic, 2009, for event after 1973), were selected in the respectively covered areas and time windows.

2.3.12. Moment magnitudes from moment tensor solutions

Following the criteria of Gasperini et al. (2012), all moment magnitude estimates provided by moment tensor catalogues were considered (Table 2), resulting in 740 Mw values for earthquakes between 1976 and 2014.

Catalogue Validity No. of records
Italian CMT (The Italian CMT dataset from 1977 to the present; Pondrelli et al., 2001; 2006) 1976-2014 405
INGV TDMT (INGV Catalogo Time Domain Moment Tensor) 2004-2014 166
SED-MT (SED-ETHZ Reviewed Regional Moment Tensor Catalog) 1999-2005 105
Global CMT (Global Centroid Moment Tensor Project) 1976-2012 48
NEIC (National Earthquake Information Center. Moment tensor solutions) 1980-2009 16
Totali 1976-2014 740

Table 2. Moment tensor catalogues considered for moment magnitude and related time coverage, together with the number of values adopted in CPTI15.

When different catalogues provide alternative Mw estimates for the same earthquake the different Mw values were combined and homogenized according to Gasperini et al. (2012). As a result, Mw estimates from moment tensor solutions, ranging from 3.9 to 6.8, are available for 494 earthquakes, representing the 11% of the catalogue (see also Figure 4). The uncertainty associated to Mw estimate was determined according to Gasperini et al. (2012), as well. The complete list of catalogues providing magnitude estimates is given in Appendix 3B.

2.3.3. Proxy moment magnitude

Lacking moment magnitude from moment tensor solutions, other types of instrumental magnitude of different origins were considered and converted to Mw, resulting in 1400 magnitude estimates.

For the main portion of the catalogue, in the time period from 1981 to 2014 different types of local magnitude provided by the CSTI1.1 (CSTI Working Group, 2005) and CSI1.1 (Castello et al., 2006) catalogues, and the Seismic Bulletin and ISIDe database of INGV were considered. Magnitudes from such catalogues were selected, converted to Mw, and combined according to Gasperini et al. (2013).

For the period between 1963 and 1980 Ms and mb values from the ISC Bulletin were mainly selected, and they were complemented with estimates from the catalogue by Margottini et al. (1993). Ms and mb values were treated and converted to Mw according to Lolli et al. (2014; 2015). Mw values derived from mb and Ms estimated by ISC were considered also in the period 1981-2012, either combined, through the average weighted with the inverse of the square of the uncertainty, with values derived from ML or preferred to them in case of earthquakes that are deep (mainly in the Southern Tyrrhenian sea area) or located out of the coverage of the Italian seismic network. The criteria above were not applied in the lack of the determination by one (or more) dataset in the period of its validity, or determinations with verified low reliability.

In the time period from 1972 to 1980 Wood-Anderson (WA) ML determined either by Monte Porzio observatory in Rome and contained in the ING Bulletin, or by Trieste station and published in Sandron et al. (2015) were also considered. The first ML WA values were converted to Mw by adding a fixed offset of 0.22 magnitude units (Lolli et al., 2016), for the latter the conversion proposed by Sandron et al. (2015) was adopted. Proxy Mw derived from ML WA were combined with those derived from ISC, when both available.

Lacking any other determination, ML values from the PFG catalogue (Postpischl, 1985a) were used considering them as equivalent to Mw, as deduced from the comparison with ISC data (Lolli et al., 2016). A few mb and Ms estimates from Margottini et al. (1993) were considered also for earthquakes occurred before 1963.

Table 3 summarizes the used datasets, their overall temporal validity, the provided magnitude type, and the relevant conversion to Mw.

Catalogue Validity No. of records M Type Conversion to Mw
CSTI1.1 1981-1996 330 Md, Ma, ML Gasperini et al., 2013
CSI1.1 1997-2002 165 ML, Md Gasperini et al., 2013
BSINGV 2003-2005 20 Md, ML Gasperini et al., 2013
ISIDE 2005-2014 55 ML, Md Gasperini et al., 2013
ISC 1964-1980 215 mb, Ms Lolli et al., 2014; 2015
MARAL993 1903-1975 296 mb, Ms Lolli et al., 2014; 2015
BSING 1972-1980 91 ML WA Mw = WA + 0.22
POST985 1962-1978 8 ML Mw = ML + 0.07
SANAL015 1977-1978 4 ML WA Sandron et al., 2015

Table 3. Dataset providing instrumental magnitude to CPTI15, together with the time period and the number of data considered. The method used for their conversion to Mw is also indicated.

As a conclusion, the overall priority scheme for the selection of instrumental magnitudes is shown in Table 4.

Priority M Tipy Period Notes
1 Mw da tensori momento 1976-2014 sempre selezionata se esiste, anche come MwDef
2 Proxy ML 1981-2014 si combina con 3
3 Proxy mb, Ms (ISC) 1963-2012 si combina con 2 o con 4
4 Proxy WA 1972-1980 si combina con 3
5 Proxy mb, Ms (Margottini et al. 1993) 1903-1975 solo in mancanza di altri dati
6 Proxy ML PFG 1962-1978 solo in mancanza di altri dati

Table 4. Priority scheme followed in the selection of instrumental magnitude. Magnitudes other than Mw from moment tensor solutions (priority 1), are also combined with macroseismic estimates in the assessment of MwDef.

In addition, moment magnitudes derived by Bernardi et al. (2005) for 12 earthquakes with epicentres in Switzerland and by Pino et al. (2008) for the 28 December 1908 earthquake (Messina straits) were considered.

As for earthquakes in the Etna volcanic areas, apart from Mw from moment tensor solutions, instrumental magnitudes were selected from the available local catalogues and specific conversion relation as summarized in Table 5.

Catalogue Validity No. of records M Tipe Conversion to Mw
Distefano e Di Grazia, 2005 1980-1997 33 Md, ML Tuvè et al. 2015 (Md-ML); Saraò et al., 2015 (ML-Mw)
Patané et al., 2004 1988-1998 14 Md, ML Tuvè et al. 2015 (Md-ML); Saraò et al., 2015 (ML-Mw)
INGV Catania 1999-2014 98 Md, ML Tuvè et al. 2015 (Md-ML); Saraò et al., 2015 (ML-Mw)
INGV Mediterranean Very Broadband Seismographic Network 1999-2002 7 ML Saraò et al., 2015

Table 5. Datasets providing instrumental magnitudes for earthquakes in the Etna volcanic area, together with the time period and the number of data considered. The method used for their conversion to Mw is also indicated.


3. What is new with respect to CPTI11

As already mentioned, the new CPTI15 version of the catalogue represents a significant evolution with respect to the previous one, as far as both input data, macroseismic and instrumental, and parameters determination are concerned.

The time coverage of the catalogue was extended from 2006 to the end of 2014, with the addition of 275 earthquakes, 35 of them supported also by intensity data from macroseismic field surveys.

In the common time-period (1000-2006) CPTI11 and CPTI15 contain 3182 and 4298 earthquakes, respectively.

Fifty earthquakes in CPTI11, listed in Appendix 4, are not anymore in CPTI15 either because they turned out to be fake (32), not supported by reliable data (8), or for errors in the original data or in the compilation of CPTI11. As decided by the compilers of the related section, 3 earthquakes of the Etna area with intensity < 5 are not included in the catalogue.

As a result, CPTI15 contains 1192 more earthquakes than CPTI11. Most of such a difference is due to the lowering of the energy thresholds to intensity 5 and Mw 4.0, which accounts for the addition of 757 events to those in CPTI11. The remaining 435 earthquakes, with higher intensity and/or magnitude mostly derive form new historical macroseismic studies (e.g. Camassi et al., 2011; Molin et al., 2008, Castelli et al., 2016; Azzaro and Castelli, 2015; Guidoboni and Ciuccarelli, 2011), and parametric catalogues (Živcic, 2009; Fäh et al., 2011). In addition, 50 depth earthquakes in the Southern Tyrrhenian Sea area, not considered by CPTI11, were added.

The 3129 earthquakes in both CPTI11 and CPTI15, show differences in both location and magnitude.

Differences in epicentral location (Figure 7) are mainly due to the updated macroseismic input data, as macroseismic epicentres are computed with the same method used for CPTI11. An exception is represented by 21 earthquakes, for which the macroseismic epicentre in CPTI11 was determined with the method by Bakun and Wentworth (1997), and in CPTI15 is substituted by an instrumental determination (4 cases), or a Boxer “method 0” (6) or “method 4” (11) solution. Other significant differences are due to new instrumental solutions and, at a lesser extent, to the substitution of macroseismic epicentres with instrumental ones.

Figure 7. Main differences in between the epicentral locations (≥ 30 km) in CPTI15 (coloured squares) and in CPTI11 (black dots).

Differences in magnitude values may be due, apart from the differences in input data, also to the different parameterization of macroseismic data or the different conversions of the instrumental values, but also to a different combination of the two different data types.

Figure 8 shows the Mw differences between CPTI15 and CPTI11, according to the Mw type in CPTI15 (left: mean, from macroseismic data, from epicentral intensity; right: observed instrumental and proxy Mw).

As a general trend, Mw values in CPTI15 are lower than those in CPTI11, especially for small earthquakes. As for macroseismic magnitudes, it is clear the effect of the many values (about 882) now derived from intensity distributions and resulting in wide magnitude ranges instead of being clustered around the values obtained from the linear Io-Mw conversion. Macroseismic determinations also account for the variations observed for high magnitudes. Such differences are due to the substitution of some solutions from the method by Bakun and Wentworth (1997) for large offshore earthquakes with determinations by Boxer (homogeneous with all the rest of catalogue), or to the new intensity distributions, sometimes remarkably different form previous ones. Significant variations, again mainly towards low values, derive also from the adoption of the solutions proposed by the new Swiss catalogue ECOS-09 (Fäh et al., 2011), which is updated with respect to the version considered by CPTI11.

Instrumental magnitudes higher than 5.5 are substantially equivalent in the two catalogues, probably as a result of the few changes in the considered magnitude type for large earthquakes. For low magnitude values some differences are present, especially as far as proxy Mw are concerned. This probably results from the new homogenization and combination criteria adopted. Differences in low values of Mw from moment tensor solutions are due to the corresponding datasets, previously not considered.

Figure 8. Comparison between CPTI15 and CPTI11 magnitudes. Magnitudes are shown according to their type in CPTI15. Left: Wmim = mean of instrumental and macroseismic determinations; Mdm = macroseismic, from intensity data; MIo = macroseismic, from epicentral intensity; Mpc = from parametric catalogue. Right: InsO = instrumental, Mw from moment tensor solutions; InsC = instrumental proxy Mw.

Figure 9 shows the distributions of magnitudes in CPTI11 and CPTI15 by classes of 0.25 magnitude units. The differences in low magnitude values shown in Figure 8 result in a much more homogeneous distribution of magnitudes from 4.50 to 5.25 in CPTI15 than in CPTI11.

Figure 9. Comparison between magnitude distributions in CPTI15 and CPTI11 according to classes of 0.25 magnitude units (classes are centered on the shown value).


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Appendix 1 - CPTI15 file format.

Field Description
N Record number (in chronological order)
Sect Catalogue section, related to a specific seismological context
MA = main
NV = Phlegraean volcanic area
EV = Etna volcanic area
CA = Calabrian arc (subduction)
Year Origin time: year
Mo Origin time: month
Da Origin time: day
Ho Origin time: hour
Mi Origin time: minutes
Se Origin time: seconds
EpicentralArea Epicentral area or area of the largest macr oseismic effects
MainRef Main bibliographical reference:
- equal to RefM when TLdef = MM, MI, ND
- equal to RefIns when TLdef = II o IM
- code of the reference parametric catalogue when TLDef = PC
TLDef Type of default location:
- MI = macroseismic (alternative to instrumental)
- IM = instrumental (alternative to macroseismic)
- II = instrumental (only choice)
- MM = macroseismic (only choice)
- PC = from parametric catalogue
- NP = location not defined
LatDef Default epicentral latitude (WGS84)
LonDef Default epicentral longitude (WGS84)
DepDef Default depth in km (instrumental; only when TLDef = II or IM)
IoDef Default epicentral intensity
TIoDef Source of the default epicentral intensity:
- bx = from macroseismic data, determined using Boxer
- pc = from parametric catalogue
- dm = from macroseismic data according to the referenced study (RefM)
MwDef Default moment magnitude
ErMwDef Error associated to the default moment magnitude
TMwDef Default moment magnitude determination code:
- InsO = instrumental, recorded
- InsC = instrumental, converted from other magnitude scales
- Mdm = macroseismic, from intensity data
- MIo = macroseismic, converted from epicentral intensity
- Mpc = from the source parametric catalogue
- Wmim = mean of MwIns and MwM, weighted with the inverse of the related variances
RefM Reference code of the macroseismic dataset
MdpN Number of macroseismic data
Imax Maximum intensity
LatM Epicentral latitude: macroseismic determination (WGS84)
LonM Epicentral longitude: macroseismic determination (WGS84)
ErrLatM Error associated to the latitude, determined using Boxer [km]
ErrLonM Error associated to the longitude, determined using Boxer [km]
TepiM Method for the determination of the macroseismic epicentre:
- bx0: determined by Boxer, method 0
- bx4: determined by Boxer, method 4
- bxM: determined by Boxer (method 0), and modified
- dm: from macroseismic data according to the procedures described in the referenced study (RefM)
Io Epicentral intensity
MwM Moment magnitude: macroseismic determination
ErMwM Error associated to the macroseismic moment magnitude
TMwM Method for the determination of moment magnitude from macroseismic data:
- bxn = calculated by Boxer using the isoseismals method
- bxi = calculated by Boxer using epicentral intensity
- Io = converted from Io with the same relation used by Boxer
- IoV1 = converted from Io using relations for the Etna volcanic area
- IoV2 = converted from Io using relations for the Phlegraean volcanic area
RefIns Reference code of the source of the instrumental epicentre
LatIns Epicentral latitude: instrumental determination (WGS84)
LonIns Epicentral longitude: instrumental determination (WGS84)
DepIns Hypocentral depth [km]
MwIns Instrumental moment magnitude
ErMwIns Error associated to the instrumental moment magnitude
TMwIns Instrumental magnitude origin:
- MwMT = from moment tensor solution
- Swa = from S-waves amplitude
- SM = from spectral method
- Pry_ml = converted from local magnitude
- Pry_mdml = converted from local magnitude derived from duration magnitude
- Pry_mlmsmb = mean of Mw values converted from Ml, Ms, and mb estimates, weighted with the weighted with the inverse of the related variances
- Pry_msmb = mean of Mw values converted from Ms and mb estimates, weighted with the weighted with the inverse of the related variances
- Pry_msmbWA = mean of Mw values converted from Ms, mb, and Ml Wood-Anderson estimates, weighted with the weighted with the inverse of the related variances
- Pry_WA = converted from Ml Wood-Anderson
RefMwIns Reference code(s) of the source of the instrumental magnitude
EqID Earthquake identifier (not chronologically ordered)
CPTI11id Record identifier in CPTI11

Appendix 2 - Macroseismic datasets.

The table shows the code used in the CPTI15 file (field “RefM”) and the corresponding reference of the studies contributing macroseismic data to the catalogue. The number of considered earthquakes, and macroseismic data from each study is also indicated.

Code (RefM) Reference N. earthq. MdpN
ALBAL003 Albini P., Migliavacca P. and Moroni A., 2003. Studio di alcuni terremoti di intensità epicentrale moderata in Italia settentrionale. Rapporto tecnico, INGV-MI, 58 pp. + appendices. 23 175
ALBAL994a Albini P., Bellettati D., Camassi R., Moroni A., Stucchi M. and Zerga A. (eds.), 1994a. Revisione dei terremoti di interesse per il territorio della Provincia di Trento. Rapporto tecnico per la Provincia Autonoma di Trento, IRRS-CNR, Milano, 210 pp. 7 251
ALBAL994c Albini P., Cecic I., Morelli G., Sovic I. and Zivcic M., 1994c. A preliminary investigation of the January 4th, 1802 earthquake. In: P. Albini and A. Moroni (eds.), Materials of the CEC project "Review of Historical Seismicity in Europe", CNR, Milano, vol. 2, 205-214. 1 8
ALBI001 Albini P., 2001. Studio preliminare di alcuni terremoti di energia medio-bassa nell'area di Vittorio Veneto (sec. XIX). Rapporto tecnico INGV-MI per il Progetto GNDT "Scenari di danno in area veneto-friulana", Milano, 6 pp. 5 73
ALBRV010 Albini P., Rovida A., 2010. The 12 May 1802 earthquake (N Italy) in its historical and seismological context. J. Seismol., 14, 629-651, http://doi.org/10.1007/s10950-010-9187-6. 1 94
ALEX990 Alexandre P., 1990. Les séismes en Europe occidentale de 394 à 1259. Nouveau catalogue critique. Observatoire Royal de Belgique, Série Geophysique, Bruxelles, 267 pp. 1 2
AMGNDT995 Archivio Macrosismico GNDT, 1995. Studi preliminari di terremoti attraverso i repertori sismologici. Archivio macrosismico del GNDT, Milano. 241 7561
ARCAL010 Arcoraci L., Berardi M., Castellano C., Leschiutta I., Maramai A., Rossi A., Tertulliani A. and Vecchi M., 2010. Rilievo macrosismico del terremoto del 15 dicembre 2009 nella Valle del Tevere e considerazioni sull'applicazione della scala EMS98. Quaderni di Geofisica, 82, INGV, Roma, 21pp. 1 26
ARCAL012a Arcoraci L., Berardi M., Brizuela B., Castellano C., Del Mese S., Graziani L., Maramai A., Rossi A., Sbarra M., Tertulliani A., Vecchi M., Vecchi S., Bernardini F., Ercolani E., 2012. Rilievo macrosismico degli effetti del terremoto del 25 gennaio 2012 (Pianura Padana). Rapporto tecnico QUEST, INGV, Roma, 9pp. 1 25
ARCAL013 Arcoraci L., Bernardini F., Brizuela B., Ercolani E., Graziani L., Leschiutta I., Maramai A., Tertulliani A., Vecchi M., 2013. Rapporto macrosismico sul terremoto del 21 giugno 2013 (ML 5.2) in Lunigiana e Garfagnana (province di Massa-Carrara e di Lucca) (aggiornato al 30 giugno 2013). Rapporto tecnico QUEST, INGV, Roma, 5 pp. 1 27
AZZA995 Azzaro R., 1995. Studio macrosismico dei terremoti di Trapani del 29 maggio e di Filicudi del 23 luglio 1995. Atti 14°Convegno Nazionale GNGTS, 1, 197-204. 2 103
AZZAL000 Azzaro R., Barbano M.S., Antichi B. and Rigano R., 2000. Macroseismic catalogue of Mt. Etna earthquakes from 1832 to 1998. Acta Vulcanol., 12, 1-2, 3-36 + CD 183 3579
AZZAL002 Azzaro R., D'Amico S., Mostaccio A., Scarfì L., 2002. Terremoti con effetti macrosismici in Sicilia orientale - Calabria meridionale nel periodo Gennaio 1999 - Dicembre 2001. Quaderni di Geofisica, 27, INGV, Roma, 59 pp. 16 711
AZZAL003a Azzaro R., Camassi R., D'Amico S., Mostaccio A., Scarfì L., 2003. Il terremoto di Palermo del 6 settembre 2002: effetti macrosismici. Quaderni di Geofisica, 31, INGV, Roma, 15 pp. 1 132
AZZAL006 Azzaro R., D'Amico S., Mostaccio A., Scarfì L., Tuvè, T. 2006. Terremoti con effetti macrosismici in Sicilia orientale nel periodo Gennaio 2002 - Dicembre 2005. Quaderni di Geofisica, 41, INGV, Roma, 62 pp. 15 319
AZZAL009 Azzaro R., D'Amico S., Mostaccio A., Scarfì L., Tuvè T., 2009. Terremoti con effetti macrosismici in Sicilia orientale nel periodo gennaio 2006 - dicembre 2008. Quaderni di Geofisica, 72, INGV, Roma, 39 pp. 9 233
AZZAL012 Azzaro R., D'Amico S., Scarfì L., Tuvè T., 2012. Aggiornamento al rilievo macrosismico degli effetti prodotti dal terremoto del Pollino del 26 ottobre 2012 alle ore 01:05 locali. Rapporto tecnico QUEST, INGV, Roma, 5 pp. 1 40
AZZAL014 Azzaro R., D'Amico S., Mostaccio A., Scarfì L., Tuvè T., Manni M., 2014. Terremoti con effetti macrosismici in Sicilia orientale nel periodo Gennaio 2009 - Dicembre 2013. Quaderni di Geofisica, 120, INGV, Roma, 57 pp. 16 532
AZZBA000 Azzaro R., Barbano M.S., 2000. Analysis of the seismicity of Southeastern Sicily: a proposed tectonic interpretation. Ann. Geofis., 43, 1, 171-188, http://doi.org/10.4401/ag-3628 3 87
AZZBA995 Azzaro R., Barbano M.S., 1995. The Pollina (northern Sicily-Italy) earthquake of 26 June 1993: an application of the new European Macroseismic Scale 1992. Nat. Haz., 12, 289-301, http://doi.org/10.1007/BF00596223. 1 47
AZZCA015 Azzaro R., Castelli V., 2015. Materiali per un catalogo di terremoti etnei dal 1600 al 1831. Quaderni di Geofisica, 123, INGV, Roma, 284 pp. 11 23
BARAL001 Barbano M.S., Rigano R., Cosentino M. and Lombardo G., 2001. Seismic history and hazard in some localities of South-Eastern Sicily. Boll. Geof. Teor. Appl., 42, 1-2, 107-120. 1 6
BARAL980 Barbano M.S., Cosentino M., Lombardo G. and Patané G., 1980. Isoseismal maps of Calabria and Sicily earthquakes (Southern Italy). CNR-PFG, pubbl. 341, Catania, 116 pp. 19 743
BARAL986 Barbano M.S., Gentile G.F., Riggio A.M., 1986. Il terremoto dell'Alpago-Cansiglio del 18.10.1936: metodologia e problematiche legate allo studio di eventi recenti. Atti del 5° Convegno Annuale del GNGTS, Roma, I, 47-60. 1 269
BARAL990 Barbano M.S., Riggio A.M., Catalan T., Sclippa P. and Toffoli D., 1990. Revisione di alcuni terremoti dell'Italia nord-orientale nella prima metà del XX secolo. GNDT, Rapporto interno, Udine, 349 pp. 4 594
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GALMO007 Galli P., Molin D., 2007. Il terremoto del 1905 della Calabria Meridionale. Studio Analitico degli effetti ed ipotesi sismogenetiche. Published online, 124 pp. Prima edizione giugno 2008, seconda edizione novembre 2010, 112 pp. 1 895
GALNA008 Galli P., Naso G., 2008. The “taranta” effect of the 1743 earthquake in Salento (Apulia, southern Italy). Bollettino di Geofisica Teorica ed Applicata, 49(2), p. 177-204. 1 84
GALNA009 Galli P., Naso J.A., 2009. Unmasking the 1349 earthquake source (southern Italy): paleoseismological and archaeoseismological indications from the Aquae Iuliae fault. Journal of Structural Geology, 31, 128-149, http://doi.org/10.1016/j.jsg.2008.09.007 1 24
GISAL005 Gisler M., Weidmann M., Fäh D., 2005. Erdbeben in Graubünden: Vergangenheit, Gegenwart, Zukunft. Verlag Desertina, Chur, 136 pp. 2 3
GIZZI012 Gizzi F.T., 2012. Il "Terremoto Bianco" del 21 Agosto 1962. Aspetti macrosismici, geologici, risposta istituzionale. Zaccara editore, 736 pp., ISBN: 9788895508443. 1 562
GUICI011 Guidoboni E., Ciuccarelli C., 2011. The Campi Flegrei caldera: historical revision and new data on seismic crises, bradyseisms, the Monte Nuovo eruption and ensuing earthquakes (twelfth century 1582 AD). Bulletin of Volcanology, 73, 655-677, http://doi.org/10.1007/s00445-010-0430-3 29 60
GUICO005 Guidoboni E., Comastri A., 2005. Catalogue of earthquakes and tsunamis in the Mediterranean area from the 11th to the 15th century. INGV-SGA, Bologna, 1037 pp. 1 2
HAMM008 Hammerl Ch., 2008. Studies on 1000-1750 earthquakes in Austria. NERIES NA4 collaboration's report. ZAMG, Vienna. 1 3
HAMM015 Hammerl C., 2015. The four strongest earthquakes in Tyrol/ Austria during XVIth and XVIIth centuries: from archival sources to macroseismic intensities. Acta Geodaetica et Geophysica, 50, 1, 39-62, http://doi.org/10.1007/s40328-014-0083-3. 3 43
IAMO978 Iaccarino E., Molin D., 1978. Raccolta di notizie macrosismiche dell'Italia Nord-orientale dall'anno 0 all'anno 1976. CNEN, RT/disp (78)/7. 7 315
LAMAL994 Lambert J., Moroni A. and Stucchi M., 1994. An intensity distribution for the 1564, Maritime Alps earthquake. In: Albini P. e Moroni A. (eds.), Materials of the CEC project "Review of Historical Seismicity in Europe", CNR, Milano, vol. 2, 143-152. 1 15
MAMO983 Margottini C., Molin D., 1983. Risultati preliminari delle ricerche di sismica storica condotte nell'Appennino tosco-emiliano. ENEA, PAS-ISP BR (83)2, Roma, 120 pp. 6 350
MARG984 Margottini C., 1984. Il terremoto del 1470 a Castel di Casio. CNEN, PAS-ISP-GEOL BR (84)1, 8 pp. 1 1
MARI995 Mariotti D., 1995. An unknown destructive earthquake in 18th century Sicily. In: E. Boschi, R. Funiciello, E. Guidoboni and A. Rovelli (eds.), Earthquakes in the past: multidisciplinary approaches. Ann. Geofis., 38, 5-6, 551-554, http://doi.org/10.4401/ag-4060 1 5
MARTE996 Maramai A. e Tertulliani A., 1996. Indagine macrosismica del terremoto del 10 ottobre 1995 in Lunigiana. Atti del 15° Convegno Nazionale del GNGTS, Roma 11-13 novembre 1996. 1 341
MEAL988 Meloni F., Molin D. and Rossi A., 1988. Indagine macrosismica sui terremoti "profondi" del 27 ottobre 1914 e 25 ottobre 1972. Atti del 7° Convegno Annuale del GNGTS, Roma, 1, 221-236. 2 858
MELAL988 Meletti C., Patacca E., Scandone P. and Figliuolo B., 1988. Il terremoto del 1456 e la sua interpretazione nel quadro sismotettonico dell'Appennino meridionale. In: Figliuolo B. (ed), Il terremoto del 1456, Napoli, I, 1, 71-108. 1 199
MELMO985 Meloni F., Molin D., 1985. I terremoti garganici del 6 dicembre 1875 e 8 dicembre 1889. Atti del 4° Convegno Annuale del GNGTS, Roma, 1, 297-312. 3 292
MELMO987 Meloni, F., Molin D., 1987. Il terremoto padano del 13 gennaio 1909. Atti del 6° Convegno Annuale del GNGTS, Roma, 1, 269-294. 1 867
MOLAL002 Molin D., Rossi A., Tertulliani A. and Verrubbi V., 2002. Studio della sismicità dell'alto Bacino dell'Aniene (Appennino centrale - Italia) e catalogo sismico di area. Quaderni di Geofisica, 24, INGV, Roma, 85 pp. 9 187
MOLAL008 Molin D., Bernardini F., Camassi R., Caracciolo C.H., Castelli V., Ercolani E., Postpischl L., 2008. Materiali per un catalogo dei terremoti italiani: revisione della sismicità minore del territorio nazionale, Quaderni di Geofisica, 57, INGV, Roma, 75pp. 748 11972
MOLAL999a Molin D., Galadini F., Galli P., Mucci L. and Rossi A., 1999a. Catalogo macrosismico della zona del Fucino. In: S. Castenetto e F. Galadini (eds.), 13 gennaio 1915. Il terremoto nella Marsica, Roma, Appendice A, 569-629, ISBN 978-88-240-3648-1. 33 701
MOLAL999b Molin D., Galadini F., Galli P., Mucci L. and Rossi A., 1999b. Terremoto del Fucino del 13 gennaio 1915. Studio macrosismico. In: S. Castenetto e F. Galadini (eds.), 13 gennaio 1915. Il terremoto nella Marsica, Roma, 321-340; 631-661, ISBN ISBN 978-88-240-3648-1. 1 1041
MOLI979b Molin D., 1979b. Il terremoto di Riva del Garda del 13 dicembre 1976. Carta delle isosisme. CNEN-RT/AMB (79) 4, 8 pp. 2 132
MOLI981 Molin D., 1981. Sulla sismicità storica dei Colli Albani. CNEN, RT/AMB (81)11, Roma, 104 pp. 4 103
MOLMA981 Molin D., Margottini C., 1981. Il terremoto del 1627 nella Capitanata settentrionale. In: Contributo alla caratterizzazione della sismicità del territorio italiano, Memorie presentate al Convegno annuale del PFG sul tema "Sismicità dell'Italia: stato delle conoscenze scientifiche e qualità della normativa sismica", Commissione Enea-Enel, Udine, 12-14 maggio 1981, 251-279. 1 40
MOLMU992 Molin D., Mucci L., 1992. Il terremoto di Senigallia del 30 Ottobre 1930. Risposta dell'area urbana di Ancona. Atti del 9° Convegno Annuale del GNGTS, Roma, 1, 31-45. 1 268
MOLRO990 Molin D., Rossi A., 1990. Il terremoto molisano del 4 ottobre 1913. ENEA, rapporto interno, Roma, 12 pp. 1 205
MOLRO994 Molin D., Rossi A., 1994. Terremoto di Roma del 22 marzo 1812: studio macrosismico. Atti del 12° convegno annuale del GNGTS, Roma, 1, 279-286. 1 1
MONA987 Monachesi G. (ed.), 1987. Revisione della sismicità di riferimento per i comuni di Cerreto d'Esi (AN), Esanatoglia (MC), Serra San Quirico (AN). Osservatorio Geofisico Sperimentale, Macerata, Internal report, 240 pp. 15 453
MONCA992 Monachesi G. and Castelli V. (eds.), 1992. Sismicità dell'area aquilano-teramana dalla "analisi attraverso i cataloghi". Rapporto tecnico per la Regione Abruzzo, Osservatorio Geofisico Sperimentale, Macerata, 245 pp. 4 13
MORO001 Moroni A., 2001. Ricerche di fonti storiche per la compilazione del catalogo dei terremoti con repliche dell'Italia settentrionale; riorganizzazione delle informazioni storico-macrosismiche sui maggiori terremoti della Toscana e dell'Emilia Romagna. Rapporto tecnico INGV-MI, Milano, 68 pp. 1 1
PATIM987 Patané G., Imposa S., 1987. Tentativo di applicazione di un modello reologico per l'avampaese Ibleo ed aree limitrofe. Mem. Soc. Geol. It., 38, 341-359. 1 122
PESAL013 Pessina V., Tertulliani A., Camassi R., Rossi A., Scardia G., 2013. The revision of the October 30, 1901 earthquake, west of Lake Garda (northern Italy). Bollettino di Geofisica Teorica ed Applicata, 54(1), p.77-110, http://doi.org/10.4430/bgta0083 3 425
PORAL988 Porfido S., Esposito E., Luongo G. and Marturano A., 1988. I terremoti del XIX secolo dell'Appennino Campano-Lucano. Mem. Soc. Geol. It., Roma, 41, II, 1105-1116. 1 13
POST990 Postpischl D. (ed.), 1990. Valutazione del rischio sismico per il territorio della Repubblica di San Marino. Istituto di Topografia, Geodesia e Geofisica Mineraria, Università di Bologna, RPT/TGGM/1/90, 826 pp. 23 152
RIGU999 Riguzzi F., 1999. Intensity field of the 19 June 1975 Gargano (Southern Italy) Earthquake. Physics and Chemistry of the Earth, Part A: Solid Earth and Geodesy, 24, 6, 489-493, http://doi.org/10.1016/S1464-1895(99)00059-9 1 61
ROSAL005 Rossi A., Tertulliani A., Vecchi M., 2005. Studio macrosismico del terremoto dell'aquilano del 24 giugno 1958. Il Quaternario, 18(2), 2005, 101-112. 1 222
ROSTE015 Rossi A., Tertulliani A., 2015. I terremoti del 24 e 26 dicembre 1885 in Molise e Basilicata. Rapporto interno, Istituto Nazionale di Geofisica e Vulcanologia, 6 pp. 2 35
SAVAL011 Savarese F., Tertulliani A., Galadini F., 2011. Le fonti sul terremoto del 10 settembre 1881 in provincia di Chieti: revisione critica e nuove conoscenze. Bullettino della Deputazione Abruzzese di Storia Patria, Annata CII (CXXIII dell'intera collezione), L'Aquila, pp.155-177. 1 43
SCHAL004 Schwarz-Zanetti G., Deichmann N., Fäh D., Masciadri V., Goll J., 2004. The earthquake in Churwalden (CH) of September 3, 1295. Eclogae Geol. Helv., 97, 2, 255-264. 1 17
SCIAL006 Scionti V., Galli P., Chiodo G., 2006. The Calabrian seismicity during the Viceroyalty of Naples: sources silence or silenct sources? The case of the strong 1744 earthquake. Bollettino di Geofisica Teorica e Applicata, 47 (1-2), 53-72. 3 36
SGA002 SGA, 2002. Ricerche, revisioni e confronti. Terremoti storici. Rapporto Tecnico, Incarico INGV-MI, 01/2002, 25 gennaio 2002, RPT 248/02, Bologna, 214 pp. + CD-ROM. 9 387
SISFR014 BRGM-EDF-IRSN/SisFrance, 2014. Histoire et caractéristiques des séismes ressentis en France. http://www.sisfrance.net 114 5661
SPAAL985c Spadea M.C., Vecchi M., Gardellini P. and Del Mese S., 1985c. The Rieti earthquake of June 28, 1898. In: Postpischl D. (ed.), Atlas of isoseismal maps of Italian earthquakes, Quaderni della Ricerca Scientifica, 114, 2A, Roma, 110-111. 1 186
SPAAL985d Spadea M.C., Vecchi M., Gardellini P. and Del Mese S., 1985d. The Palombara Sabina earthquake of April 24, 1901. In: Postpischl D. (ed.), Atlas of isoseismal maps of Italian earthquakes, Quaderni della Ricerca Scientifica, 114, 2A, Roma, 112-113. 1 44
STAL008 Stucchi M., Galadini F., Rovida A., Moroni A., Albini P., Mirto C. and Migliavacca P. (2008). Investigation of pre-1700 earthquakes between the Adda and the middle Adige river basins (Southern Alps). In: J. Fréchet, M. Meghraoui, M. Stucchi (eds.), Historical Seismology, Interdisciplinary Studies of Past and Recent Earthquakes, Springer, 93-129, http://doi.org/10.1007/978-1-4020-8222-1_5 2 12
STAL988 Stucchi M., Albini P., 1988. Studi di sismica storica. In: ISMES, Studio di sismica storica e strumentale per l'Alta Valtellina, rapporto ASP-3946/RAT-URM-009, Bergamo, 1-194. 10 168
STUAL993 Stucchi M., Albini P. e Bellettati D. (eds.), 1993. Valutazione della attendibilità dei dati sismologici di interesse per il territorio della Regione Lombardia. Rapporto tecnico per la Regione Lombardia, IRRS-CNR, Milano, 185 pp. 1 1
STUC988 Stucchi M. (ed.), 1988. Revisione della sismicità storica dell'area anconetana. Rapporto tecnico per il Comune di Ancona, Milano, 138 pp. 6 81
TERAL003 Tertulliani A., Rossi A. and Di Giovambattista R., 2003. Reappraisal of the 22 October 1919 Central Italy Earthquake. Bull. Seismol. Soc. Am., 93, 3, 1298-1305, http://doi.org/10.1785/0120020004. 1 142
TERAL005 Tertulliani A., Massucci A. and Rossi A., 2005. Terremoto del 22 agosto 2005 costa laziale. Rapporto tecnico QUEST, INGV, Roma, 3 pp. 1 57
TERAL006 Tertulliani A., Galadini F., Mastino F., Rossi A. and Vecchi M., 2006. Studio macrosismico del terremoto del Gran Sasso (Italia centrale) del 5 settembre 1950: implicazioni sismotettoniche. Il Quaternario, 19, 2 195-214. 2 480
TERAL008 Tertulliani A., Rossi A., Castelli V., Vecchi M. and Gottardi F., 2008. Terremoti dispersi al confine tra Marche, Umbria e Lazio nel 1941-1943. Quaderni di Geofisica, 58, INGV, Roma, 23pp, ISSN 1590-2595. 4 117
TERAL009 Tertulliani A., Rossi A., Cucci L., Vecchi M., 2009. L'Aquila (Central Italy) Earthquakes: The predecessors of the April 6, 2009 Event. Seismological Reaserach Letters, 80(6), 1008-1013, http://doi.org/10.1785/gssrl.80.6.1008 1 8
TERAL012 Tertulliani A., Arcoraci L., Berardi M., Bernardini F., Brizuela B., Castellano C., Del Mese S., Ercolani E., Graziani L., Maramai A., Rossi A., Sbarra M, Vecchi M., 2012. The Emilia 2012 sequence: a macroseismic survey. Annals of Geophysics, supplement to vol.55, N. 4., 679-687, http://doi.org/10.4401/ag-6140 2 140
TERAL012a Tertulliani A., Cucci L., Rossi A., Castelli V., 2012. The 6 October 1762 Middle Aterno Valley (L'Aquila, Central Italy) Earthquake: New Constraints and New Insights. Seismological Research Letters, 83, 6, http://doi.org/10.1785/0220120048 1 13
TERAL015 Tertulliani A., Castelli V., Rossi A., Vecchi M., 2015. Reappraising a wartime earthquake: the October 3, 1943 event in the southern Marches (central Italy). Annals of Geophysics, 57, 6, http://doi.org/10.4401/ag-6645. 1 170
TERCU014 Tertulliani A., Cucci L., 2014. Presentazione e analisi critica dei dati storici di base del terremoto dell'8 gennaio 1693 nel Pollino. Quaderni di Geofisica, 117, INGV, Roma, 44 pp. 1 16
TERT015 Tertulliani A., 2015. Il terremoto del 12 giugno 1995 a Roma. Rapporto interno, Istituto Nazionale di Geofisica e Vulcanologia, 7 pp. 1 125
TERT990 Tertulliani A.,1990. Indagine sugli effetti del terremoto del Canavese 11 febbraio 1990. Rapporto interno ING, Roma, 4 pp. 1 201

Appendix 3 - Instrumental datasets.

A) The table shows the code used in the CPTI15 file (field “RefIns”), the corresponding reference of the studies contributing instrumental epicentres to the catalogue. The number of considered earthquakes is also indicated.

Code (RefIns) Reference N. earthq.
ALPAL015 Alparone S., Maiolino V., Mostaccio A., Scaltrito A., Ursino A., Barberi G., D’Amico S., Di Grazia G., Giampiccolo E., Musumeci C., Scarfì L., Zuccarello L., 2015. Instrumental seismic catalogue of Mt. Etna earthquakes (Sicily, Italy): ten years (2000-2010) of instrumental recordings. Annals of Geophysics, 58, 4, S0435, http://doi.org/10.4401/ag-6591 2
BCIS Bureau Central International de Séismologie. Bulletin Mensuel, Strasbourg (France). 3
BCSF-BS Bureau Central Sismologique Français - Réseau National de Surveillance Sismique. Bulletin BCSF. http://renass.unistra.fr 2
BSING Istituto Nazionale di Geofisica. Bollettino sismico mensile. 48
BSINGV Istituto Nazionale di Geofisica e Vulcanologia. Bollettino sismico Italiano. http://bollettinosismico.rm.ingv.it/ 153
CACAL015 Caciagli M., Camassi R., Danesi S., Pondrelli S., Salimbeni S., 2015. Can We Consider the 1951 Caviaga (Northern Italy) Earthquakes as Noninduced Events? Seismological Research Letters, 86, 5, 1335-1345. doi: 10.1785/0220150001 1
CECAL005 Cecic I., Zivcic M., Jesenko T. and Kolar J., 2005. Potresi v Sloveniji leta 2004. In: R. Vidrih J., Potresi v letu 2004, URSG, Ljubljana, pp. 16-41 1
CECAL999 Cecic I., Zivcic M., Gosar A. and Jesenko T., 1999. Potresi v Sloveniji leta 1998. In: J. Lapajne (Ed.), Potresi v letu 1998, URSG, Ljubljana, pp. 11-48 1
CSI1.1 Castello B., Selvaggi G., Chiarabba C. and Amato A., 2006. CSI Catalogo della sismicità italiana 1981-2002, versione 1.1. INGV-CNT, Roma. http://csi.rm.ingv.it/ 236
CSTI1.1 Gruppo di Lavoro CSTI, 2005. Catalogo Strumentale dei Terremoti Italiani dal 1981 al 1996 (Versione 1.1). http://gaspy.df.unibo.it/paolo/gndt/Versione1_1/Leggimi.htm 272
DPCV3015 Barberi G., Cocina O., Maiolino V., Scarfì L., 2015. Parametric catalogue of Mt. Etna earthquakes from 1999 to 2015: a relocated dataset by 3D velocity model and tomoDDPS code. DPC-INGV V3 Project, 2012-2015 volcanological programme, RU 1 report, Miscellanea INGV, 29, https://sites.google.com/a/ingv.it/volcpro2014/ 114
INGVCT Gruppo Analisi Dati Sismici, 2016. Catalogo dei terremoti della Sicilia Orientale - Calabria Meridionale (1999-2016). INGV, Catania, http://www.ct.ingv.it/ufs/analisti/catalogolist.php 1
ISC International Seismological Centre. Reviewed On-line Bulletin. Thatcham, United Kingdom. http://www.isc.ac.uk 570
ISIDE ISIDe Working Group. Italian Seismological Instrumental and parametric database. Istituto Nazionale di Geofisica e Vulcanologia, Rome. http://iside.rm.ingv.it 92
ISS International Seismological Summary (ISS), Earthquake Catalog (1918-1963). Edinburgh. 18
MICAL006 Michelini A., Lomax, A., Nardi A., Rossi A., 2006. La localizzazione del terremoto della Calabria dell'8 settembre 1905 da dati strumentali. In: Guerra I., Savaglio A. (eds.): 8 settembre 1905, terremoto in Calabria. Regione Calabria, Università della Calabria, Deputazione di Storia Patria per la Calabria, pp. 225-240. 1
NEIC-PDE National Earthquake Information Center - NEIC, Preliminary Determinations of Epicentres, Monthly Listing. http://earthquake.usgs.gov/earthquakes/search/ 16
OGS-BFVG Istituto Nazionale di Oceanografia e di Geofisica Sperimentale - Centro di Ricerche Sismologiche. Bollettino della Rete Sismometrica del Friuli Venezia Giulia. http://www.crs.inogs.it/bollettino/RSFVG/ 22
PATAL004 Patané D., Cocina O., Falsaperla S., Privitera E., Spampinato S., 2004. Mt. Etna volcano: a seismological framework. In: Bonaccorso A., Calvari S., Coltelli M., Del Negro C. & Falsaperla S. (ed.), "Mt. Etna: volcano laboratory", American Geophysical Union, Geophysical monograph, 143, pp. 147-165 + CD, doi: http://doi.org/10.1029/143GM10 15
PINAL008 Pino N.A., Palombo B., Ventura G., Perniola B. and Ferrari G., 2008. Waveform modelling of historical seismograms of the 1930 Irpinia earthquake provides insight on "blind" faulting in Southern Apennines (Italy). J. Geoph. Res., 113, http://doi.org/10.1029/2007JB005211 1
SANAL014 Sandron D., Renner G., Rebez A., Slejko D., 2014. Early instrumental seismicity recorded in the eastern Alps. Bollettino di Geofisica Teorica ed Applicata, 34pp., http://doi.org/10.4430/bgta0118 59
SIHEX015 Cara M., Cansi Y., Schlupp A., Arroucau P., Béthoux N., Beucler E., Bruno S., Calvet M., Chevrot S., Deboissy A., Delouis B., Denieul M., Deschamps A., Doubre C., Fréchet J., Godey S., Golle O., Grunberg M., Guilbert J., Haugmard M., Jenatton L., Lambotte S., Leobal D., Maron C., Mendel V., Merrer S., Macquet M., Mignan A., Mocquet A., Nicolas M., Perrot J., Potin B., Sanchez O., Santoire J., Sèbe O., Sylvander M., Thouvenot F., Van Der Woerd J., Van Der Woerd K., 2015. SI-Hex: a new catalogue of instrumental seismicity for metropolitan France. Bulletin de la Societe Geologique de France, 186(1), pp.3-19, http://doi.org/10.2113/gssgfbull.186.1.3. 21
SLEAL999 Slejko D., Neri G., Orozova I., Renner G. and Wyss M., 1999. Stress field in Friuli (NE Italy) from fault plane solutions of activity following the 1976 mainshock. Bull. Seism. Soc. Am. 89, 1037-1052. 35
UNICT005 Distefano G., Di Grazia G., 2005. Database localizzazioni ipocentrali terremoti Etna dal 1977 al 2001. Progetto DPC-INGV V3, Convenzione INGV-DPC 2004-2006, Task 4-deliverable 4.2.2, http://progettosv.rm.ingv.it/Progetti/Vulcanologici/V3.htm 34
WEST993 Westaway R., 1993. Fault rupture geometry for the 1980 Irpinia earthquake: a working hypothesis. Ann. Geof. 36, 51-70. 1
ZIVC009 Živcic M., 2009. Earthquake Catalogue of Slovenia. Data file available at http://gis.arso.gov.si/atlasokolja/profile.aspx?id=Atlas_Okolja_AXL@Arso 6

B) The table shows the code used in the CPTI15 file (field “RefMwIns”), the corresponding reference of the catalogues and studies contributing instrumental magnitudes to the catalogue.

Code (RefMwIns) Reference
BENAL005 Bernardi F., Braunmiller J. and Giardini D., 2005. Seismic Moment from Regional Surface-Wave Amplitudes: Applications to Digital and Analog Seismograms. Bull. Seism. Soc. Am. 95, 408-418, http://doi.org/10.1785/0120040048.
BSING Istituto Nazionale di Geofisica. Bollettino sismico mensile.
BSINGV Istituto Nazionale di Geofisica e Vulcanologia. Bollettino sismico Italiano. http://bollettinosismico.rm.ingv.it/
CSI1.1 Castello B., Selvaggi G., Chiarabba C. and Amato A., 2006. CSI Catalogo della sismicità italiana 1981-2002, versione 1.1. INGV-CNT, Roma. http://csi.rm.ingv.it/
CSTI1.1 Gruppo di Lavoro CSTI, 2005. Catalogo Strumentale dei Terremoti Italiani dal 1981 al 1996 (Versione 1.1). http://gaspy.df.unibo.it/paolo/gndt/Versione1_1/Leggimi.htm
GLOBCMT Global Centroid Moment Tensor Project. http://www.globalcmt.org
INGVCT Gruppo Analisi Dati Sismici, 2016. Catalogo dei terremoti della Sicilia Orientale - Calabria Meridionale (1999-2016). INGV, Catania, http://www.ct.ingv.it/ufs/analisti/catalogolist.php
INGVTDMT Istituto Nazionale di Geofisica e Vulcanologia. Catalogo Time Domain Moment Tensor. http://cnt.rm.ingv.it/tdmt
ISC International Seismological Centre. Reviewed On-line Bulletin. Thatcham, United Kingdom. http://www.isc.ac.uk
ISIDE ISIDe Working Group. Italian Seismological Instrumental and parametric database. Istituto Nazionale di Geofisica e Vulcanologia, Roma. http://iside.rm.ingv.it
ITACMT The Italian CMT dataset from 1977 to the present (updated to 2014). http://www.bo.ingv.it/RCMT/Italydataset.html
MARAL993 Margottini C., Ambraseys N.N. and Screpanti A., 1993. La magnitudo dei terremoti italiani del XX secolo. ENEA, rapporto interno, Roma, 57 pp.
MEDN-INGV Mediterranean Very Broadband Seismographic Network.
NEIC National Earthquake Information Center. Moment tensor solutions. http://earthquake.usgs.gov/earthquakes/search/
PATAL004 Patané D., Cocina O., Falsaperla S., Privitera E., Spampinato S., 2004. Mt. Etna volcano: a seismological framework. In: Bonaccorso A., Calvari S., Coltelli M., Del Negro C. & Falsaperla S. (ed.), "Mt. Etna: volcano laboratory", American Geophysical Union, Geophysical monograph, 143, pp. 147-165 + CD
PINAL000 Pino N.A., Giardini D. and Boschi E., 2000. The December 28, 1908, Messina Straits, Southern Italy, earthquake: waveform modelling of regional seismograms. J. Geoph. Res. 105, B11, 25473-25492
POST985 Postpischl D., 1985. Catalogo dei terremoti italiani dall'anno 1000 al 1980. Quaderni della Ricerca Scientifica, 114, 2B, Bologna, 239 pp.
SANAL015 Sandron D., Gentile G.F., Gentili S., Saraò A., Rebez A., Santulin M., Slejko D., 2015. The Wood-Anderson of Trieste (Northeast Italy): One of the Last Operating Torsion Seismometers. Seismological Research Letters 86, 6, 1-10
SED-MT Schweizerische Erdbebendienst - ETH Zürich. Reviewed Regional Moment Tensor Catalog. http://www.seismo.ethz.ch/prod/tensors/mt_oldcat
UNICT005 Distefano G., Di Grazia G., 2005. Database localizzazioni ipocentrali terremoti Etna dal 1977 al 2001. Progetto DPC-INGV V3, Convenzione INGV-DPC 2004-2006, Task 4-deliverable 4.2.2, http://progettosv.rm.ingv.it/Progetti/Vulcanologici/V3.htm

Appendix 4 - Earthquakes in CPTI11 not in CPTI15.

List of earthquakes in CPTI11 not anymore in CPTI15, and reason for the exclusion.

N Year Mo Da Ho Mi Ax Rt Lat Lon Mw Motivo
29 1197 Brescia Guidoboni et al., 2007 Fake according to ENEL (1985)
34 1223 Gargano Guidoboni et al., 2007 41.873 15.981 5.78 Fake according to Camassi et al. (2012)
43 1268 11 4 Trevigiano Guidoboni et al., 2007 45.735 12.079 5.35 Fake according to Camassi et al. (2012)
52 1279 4 24 17 Cividale del Friuli Guidoboni et al., 2007 Fake according to Camassi et al. (2012)
72 1310 Villa S. Giovanni Postpischl, 1985 38.250 15.667 5.14 Fake according to Molin et al., (2008)
89 1346 2 22 11 Ferrara Guidoboni et al., 2007 44.836 11.618 4.93 Fake according to Camassi e Castelli (2013)
167 1461 6 Castelcivita Postpischl, 1985 40.500 15.250 5.14 Fake according to Molin et al., (2008)
215 1502 9 23 Cuneo Guidoboni et al., 2007 Fake according to SGA (2002)
264 1549 5 3 Savona Arch.Mac.GNDT, 1995 44.307 8.480 4.93 Fake according to Camassi et al. (2015)
288 1571 11 1 Tirol Van Gils & Ley., 1991a 47.300 11.400 5.14 Fake according to Hammerl (2015)
404 1687 Castel Bolognese Postpischl, 1985 44.333 11.750 4.72 Fake according to Molin et al., (2008)
421 1691 7 14 Bovolenta Postpischl, 1985 45.333 11.833 4.72 Fake according to Molin et al., (2008)
659 1780 1 3 Monte Oliveto Arch.Mac.GNDT, 1995 4.00 Fake according to Camassi et al. (2011)
839 1831 4 9 Stilo Postpischl, 1985 38.500 16.500 4.93 Fake according to Molin et al., (2008)
890 1839 8 18 1 Cosenza Postpischl, 1985 39.300 16.250 4.72 Fake according to Molin et al., (2008)
974 1858 8 6 12 15 Ricigliano Postpischl, 1985 40.750 15.550 5.14 Fake according to Molin et al., (2008)
1208 1889 6 30 21 15 Basso Tirreno Postpischl, 1985 38.583 14.583 5.14 Fake according to Molin et al., (2008)
1336 1897 5 15 5 57 Ljubljana Cvijanovic, 1981 46.000 14.500 5.57 Fake according to Molin et al., (2008)
1355 1898 2 17 6 2 S. Sofia Postpischl, 1985 43.917 11.917 4.72 Fake according to Molin et al., (2008)
1403 1901 1 15 14 30 CIVITAQUANA Postpischl, 1985 42.267 13.900 4.72 Fake according to Molin et al., (2008)
1485 1905 9 14 5 TERME BRENNERO Postpischl, 1985 47.000 11.500 4.51 Fake according to Molin et al., (2008)
1581 1909 11 2 3 44 RIJEKA Postpischl, 1985 45.200 14.200 4.72 Fake according to Molin et al., (2008)
1643 1913 6 28 2 47 VILLA S.GIOVANNI Postpischl, 1985 38.167 15.583 4.51 Fake according to Molin et al., (2008)
1986 1934 11 9 23 9 SPEZZANO Postpischl, 1985 39.283 16.333 4.93 Fake according to Molin et al., (2008)
2041 1940 2 4 19 25 ABBADIA Postpischl, 1985 42.883 11.617 4.72 Fake according to Molin et al., (2008)
2121 1949 12 9 13 45 Reggio Calabria Boll. Strum. ING 38.117 15.583 4.43 Fake according to Molin et al., (2008)
2211 1957 12 3 16 20 NORCIA Postpischl, 1985 42.783 13.100 4.72 Fake according to Molin et al., (2008)
2274 1962 9 12 22 ALVITO Boll. Strum. ING 41.667 13.717 4.50 Fake according to Molin et al., (2008)
2286 1963 5 20 4 M.LETO Boll. Strum. ING 43.400 12.500 4.70 Fake according to Molin et al., (2008)
2306 1965 3 15 8 56 CAPRIATA Postpischl, 1985 44.700 8.700 4.51 Fake according to Molin et al., (2008)
2395 1970 5 5 12 49 PAVULLO Postpischl, 1985 44.350 10.850 4.72 Fake according to Molin et al., (2008)
2410 1970 12 30 5 16 PARTANNA Postpischl, 1985 37.700 12.900 4.51 Fake according to Molin et al., (2008)
1071 1877 1 25 3 53 Valbruna OGS, 1987 46.450 13.300 4.93 Not confirmed by any other source
1757 1918 1 14 6 44 ARETINO Camassi & Stu., 1997 43.500 11.800 4.90 Not confirmed by any other source
1826 1923 1 1 17 55 NOTRANJSKO Cvijanovic, 1981 45.900 14.400 4.93 Not confirmed by any other source
2012 1937 2 26 Medio Adriatico Boll. Strum. ING 43.900 13.100 4.43 Not confirmed by any other source
2082 1946 2 18 23 PIONE Boll. Strum. ING 44.600 9.600 4.70 Not confirmed by any other source
2089 1947 4 14 14 53 Medio Adriatico Boll. Strum. ING 42.500 15.000 4.77 Not confirmed by any other source
2319 1966 5 26 18 7 Monteveglio Int. Seism. Sum. Cat. 44.500 11.200 4.70 Not confirmed by any other source
2330 1967 9 24 22 27 Lecchese ISC Bull. 45.750 9.390 4.52 Not confirmed by any other source
2676 1983 1 19 8 8 Alto Ionio Castello et al., 2006 39.031 18.873 4.64 Duplication
3046 2000 8 21 17 24 Monferrato Castello et al., 2006 44.740 8.422 5.04 Duplication
317 1600 Palazzuolo Castelli et al., 1996 44.113 11.548 5.35 Compilation error
2668 1982 10 17 10 56 Tirol GdL CSTI, 2005 47.489 11.172 4.80 Compilation error
2680 1983 5 7 22 9 Penisola Salentina GdL CSTI, 2005 40.062 17.890 4.96 Compilation error
2689 1983 11 8 18 21 Mar Ionio GdL CSTI, 2005 38.983 17.420 5.37 Compilation error
2711 1984 6 19 1 27 Adriatico centrale GdL CSTI, 2005 42.869 15.290 4.56 Compilation error
2732 1985 8 15 4 45 ZONA LUBIANA GdL CSTI, 2005 46.160 14.339 4.47 Compilation error
2757 1986 7 22 7 13 Isole Tremiti GdL CSTI, 2005 42.057 15.729 4.56 Compilation error
2855 1993 11 6 23 21 ZONA RAVENNA GdL CSTI, 2005 44.253 12.038 4.47 Compilation error

References in the column "Reason"

Camassi R., Caracciolo C.H., Castelli V., Ercolani E., Bernardini F., Albini P., Rovida A., 2012. Contributo INGV al WP2 del progetto HAREIA - Historical and Recent Earthquakes in Italy and Austria: Studio della sismicità storica del Friuli Venezia-Giulia, Veneto e Alto Adige. Rapporto finale, Bologna, 23 pp. + 5 Allegati

Camassi R., Castelli V., 2013. The curious case of the 1346 earthquake recorded only by very young chroniclers. Seismological Research Letters, 84, 6, 1089-1097, http://doi.org/10.1785/0220130063

Camassi R., Castelli V., Caracciolo C.H., Ercolani E., Bernardini F., 2015. Revisione speditiva di alcuni terremoti di area nord occidentale. Rapporto interno, Istituto Nazionale di Geofisica e Vulcanologia, 27 pp.

Camassi R., Castelli V., Molin D., Bernardini F., Caracciolo C. H., Ercolani E. and Postpischl L., 2011. Materiali per un catalogo dei terremoti italiani: eventi sconosciuti, rivalutati o riscoperti. Quaderni di Geofisica, 96, INGV, Roma, 53pp.

ENEL, 1985. Studi e indagini per l'accertamento della idoneità tecnica delle aree suscettibili di insediamento di impianti nucleari per le Regioni Piemonte, Lombardia e Puglia: indagini di sismica storica. Rapporti tecnici predisposti da ISMES-SGA, Roma.

Hammerl C., 2015. The four strongest earthquakes in Tyrol/ Austria during XVIth and XVIIth centuries: from archival sources to macroseismic intensities. Acta Geodaetica et Geophysica, 50, 1, 39-62, http://doi.org/10.1007/s40328-014-0083-3.

Molin D., Bernardini F., Camassi R., Caracciolo C.H., Castelli V., Ercolani E., Postpischl L., 2008. Materiali per un catalogo dei terremoti italiani: revisione della sismicità minore del territorio nazionale, Quaderni di Geofisica, 57, INGV, Roma, 75pp.

SGA, 2002. Ricerche, revisioni e confronti. Terremoti storici. Rapporto Tecnico, Incarico INGV-MI, 01/2002, 25 gennaio 2002, RPT 248/02, Bologna, 214 pp. + CD-ROM.