Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 3.1 on date 17-08-2021 and time 16:15:07 (UTC) in region 4 km S Norcia (PG)

A magnitude ML 3.1 earthquake occured in region: 4 km S Norcia (PG), on

  • 17-08-2021 16:15:07 (UTC)
  • 17-08-2021 18:15:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7600, 13.0810 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Norcia PG 4 4957 4957
Cascia PG 7 3217 8174
Poggiodomo PG 13 117 8291
Preci PG 14 724 9015
Cerreto di Spoleto PG 15 1075 10090
Accumoli RI 15 667 10757
Monteleone di Spoleto PG 16 599 11356
Castelsantangelo sul Nera MC 16 281 11637
Cittareale RI 17 482 12119
Arquata del Tronto AP 18 1178 13297
Vallo di Nera PG 18 364 13661
Visso MC 19 1107 14768
Sellano PG 19 1079 15847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 Km W of Chieti (51815 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap

These three maps show the results of the analysis using the software ShakeMap designed to provide the level of ground shaking experienced in a region using the data recorded by seismometers and strong motion instruments and seismological information regarding the attenuation of the wavefield with distance and the site characteristics. The Shakemaps are determined for research purposes to provide fast estimates of the level of ground shaking produced by the earthquake. The maps are calculated automatically and updated as more data become available. See http://shakemap.ingv.it for additional information. The black star indicates the epicenter. The triangles show the accelerometric and velocimetric stations used in the calculation, colored according to the recorded shaking.

Intensity Shakemap

Intensity Shakemap

This map shows the distribution of instrumental intensities. The intensity is derived through an empirical law that correlates the recorded values of actual ground shaking, e.g., acceleration and velocity, with the macroseismic intensity for Italian earthquakes, as reported in the Italian Macroseismic Database (DBMI15, https://doi.org/10.13127/cpti/cpti15.3).
Peak ground acceleration Shakemap

Peak ground acceleration Shakemap

This map shows the distribution of peak ground acceleration expressed as percent of the acceleration of gravity (i.e., g = 9.81 m/s²).
Peak velocity Shakemap

Peak velocity Shakemap

This map shows the distribution of peak ground velocities expressed in cm/s.
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 3.1 2021-08-17
16:15:07		 42.76 13.0812 8 2021-12-29
11:12:23		 Bollettino Sismico Italiano INGV 94816621
Reviewed
Rev100 		ML 3.1 2021-08-17
16:15:07		 42.7638 13.0773 8 2021-08-17
16:31:48		 Sala Sismica INGV-Roma 94301261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-17 16:15:07 ± 0.06
Latitude 42.7600 ± 0.0027
Longitude 13.0812 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94816621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 28
Number of associated phases, regardless of their use for origin computation 108
Number of defining phases 108
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.07734
Epicentral distance of station farthest from the epicenter (degree) 1.35258
Number of stations at which the event was observed 72
Number of stations from which data was used for origin computation 72
Magnitudes information

ML:3.1

Field Value
Value 3.1
Uncertainty 0.3
Num. used stations 149
Type of magnitude ML
Reference to an origin 94816621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-07 17:30:38

ML:3.1

Field Value
Value 3.1
Uncertainty 0.3
Num. used stations 149
Type of magnitude ML
Reference to an origin 94301261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-17 16:31:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-08-17T16:15:33.10 0.6 undecidable manual S 352 0.7446 50 0.79 36
IV.T0110.HHZ. 2021-08-17T16:15:32.65 0.6 undecidable manual S 136 0.7374 50 0.56 39
IV.CERA.HHZ. 2021-08-17T16:15:32.96 0.6 undecidable manual P 149 1.3526 50 0.91 30
IV.RNI2.HHZ. 2021-08-17T16:15:32.01 0.3 undecidable manual P 143 1.3202 50 0.52 53
IV.RSM2.HHE. 2021-08-17T16:15:31.85 0.3 undecidable manual P 339 1.2644 50 1.32 37
IV.MMUR.HNZ. 2021-08-17T16:15:31.12 0.3 undecidable manual S 355 0.6844 50 0.61 59
IV.VCEL.EHZ. 2021-08-17T16:15:31.46 0.6 undecidable manual S 123 0.6673 50 1.44 26
IV.MURB.HHZ. 2021-08-17T16:15:30.03 0.6 undecidable manual S 321 0.6466 50 0.63 39
IV.ARCI.HHZ. 2021-08-17T16:15:30.11 0.3 undecidable manual P 275 1.1808 50 1.01 44
IV.GIUL.HHZ. 2021-08-17T16:15:29.08 0.6 undecidable manual P 174 1.2078 50 -0.48 36
IV.LRP.EHZ. 2021-08-17T16:15:29.33 0.6 undecidable manual P 161 1.1736 50 0.35 38
IV.CRE.HHE. 2021-08-17T16:15:29.62 0.6 undecidable manual P 317 1.1889 50 0.38 37
IV.CPGN.EHZ. 2021-08-17T16:15:29.85 0.3 undecidable manual P 332 1.1781 50 0.79 49
IV.FAGN.HHZ. 2021-08-17T16:15:28.48 0.6 undecidable manual S 143 0.6169 50 -0.05 46
IV.SSP9.EHZ. 2021-08-17T16:15:28.18 0.3 undecidable manual P 320 1.0684 50 1.01 46
IV.CING.HHZ. 2021-08-17T16:15:28.71 0.6 undecidable manual S 8 0.6205 50 0.07 45
IV.PARC.HHE. 2021-08-17T16:15:27.53 0.3 undecidable manual P 326 1.0792 50 0.16 60
IV.EL6.EHZ. 2021-08-17T16:15:27.28 0.6 undecidable manual S 2 0.5693 50 0.17 45
IV.PE3.EHE. 2021-08-17T16:15:27.02 0.3 undecidable manual P 336 1.0279 50 0.54 56
TV.SF04.EHZ. 2021-08-17T16:15:27.82 0.3 undecidable manual P 275 1.0441 50 1.05 45
IV.RDP.HHZ. 2021-08-17T16:15:27.19 0.6 undecidable manual P 195 1.0360 50 0.57 37
TV.SF11.HHZ. 2021-08-17T16:15:27.87 0.3 undecidable manual P 277 1.0333 50 1.29 40
IV.FOSV.EHZ. 2021-08-17T16:15:27.30 0.6 undecidable manual S 336 0.5837 50 -0.23 44
IV.MCIV.CHZ. 2021-08-17T16:15:27.48 0.3 undecidable manual P 272 1.0306 50 0.95 47
IV.CAFI.HHZ. 2021-08-17T16:15:26.20 0.3 undecidable manual P 305 0.9929 50 0.31 60
IV.LPEL.HHZ. 2021-08-17T16:15:26.76 0.3 undecidable manual P 131 1.0810 50 -0.64 53
IV.MNTT.EHZ. 2021-08-17T16:15:26.71 0.6 undecidable manual S 51 0.4829 50 2.17 16
IV.GUAR.HHZ. 2021-08-17T16:15:26.54 0.3 undecidable manual P 170 0.9803 50 0.88 49
IV.ATMC.EHE. 2021-08-17T16:15:25.13 0.3 undecidable manual P 317 0.9443 50 0.08 63
IV.MNTP.HNZ. 2021-08-17T16:15:25.85 0.6 undecidable manual S 37 0.4721 50 1.62 25
IV.ATCC.EHZ. 2021-08-17T16:15:25.68 0.6 undecidable manual S 323 0.5333 50 -0.37 43
IV.APEC.HNN. 2021-08-17T16:15:25.19 0.3 undecidable manual P 329 0.9326 50 0.34 60
IV.MPAG.EHZ. 2021-08-17T16:15:24.03 0.1 undecidable manual P 345 0.8993 50 -0.26 82
IV.INTR.HHZ. 2021-08-17T16:15:24.60 0.3 undecidable manual P 141 0.9641 50 -0.79 51
IV.SACS.HHZ. 2021-08-17T16:15:24.05 0.3 undecidable manual P 276 0.8633 50 0.38 61
IV.FIAM.HHZ. 2021-08-17T16:15:24.85 0.6 undecidable manual S 177 0.4919 50 0.02 47
IV.NARO.HHZ. 2021-08-17T16:15:24.59 0.3 undecidable manual P 337 0.9254 50 -0.14 63
IV.SAP2.EHZ. 2021-08-17T16:15:23.09 0.6 undecidable manual S 35 0.4092 50 0.72 40
IV.AOI.HHZ. 2021-08-17T16:15:23.96 0.3 undecidable manual P 26 0.8759 50 0.07 64
IV.PIEI.HHZ. 2021-08-17T16:15:23.36 0.3 undecidable manual P 333 0.8714 50 -0.45 59
IV.ATMI.HHZ. 2021-08-17T16:15:23.94 0.3 undecidable manual P 314 0.8256 50 0.91 50
IV.ASSB.HHZ. 2021-08-17T16:15:22.19 0.6 undecidable manual S 313 0.4191 50 -0.46 43
IV.ATVO.HHZ. 2021-08-17T16:15:22.14 0.1 undecidable manual P 322 0.7932 50 -0.33 83
IV.CERT.HHZ. 2021-08-17T16:15:22.14 0.3 undecidable manual P 185 0.8139 50 -0.68 55
IV.PTQR.HHZ. 2021-08-17T16:15:21.76 0.3 undecidable manual P 162 0.7743 50 -0.39 62
IV.MOMA.HHZ. 2021-08-17T16:15:21.29 0.6 undecidable manual S 277 0.3777 50 -0.14 47
IV.ARVD.HHZ. 2021-08-17T16:15:21.31 0.1 undecidable manual P 352 0.7446 50 -0.33 84
IV.PP3.EHZ. 2021-08-17T16:15:21.96 0.3 undecidable manual P 32 0.7285 50 0.61 58
IV.MF5.EHZ. 2021-08-17T16:15:21.29 0.6 undecidable manual S 50 0.3588 50 0.41 44
IV.TERO.HNZ. 2021-08-17T16:15:21.75 0.3 undecidable manual S 109 0.4074 50 -0.57 63
IV.MTCE.HHZ. 2021-08-17T16:15:21.49 0.3 undecidable manual P 199 0.7779 50 -0.72 55
IV.T0110.HHZ. 2021-08-17T16:15:21.12 0.1 undecidable manual P 136 0.7374 50 -0.39 83
IV.TRTR.HHZ. 2021-08-17T16:15:20.28 0.1 undecidable manual P 85 0.6124 50 0.9 70
IV.MML1.EHZ. 2021-08-17T16:15:20.40 0.6 undecidable manual S 347 0.3624 50 -0.58 42
IV.MMUR.HNZ. 2021-08-17T16:15:20.33 0.3 undecidable manual P 355 0.6844 50 -0.28 64
IV.VCEL.EHZ. 2021-08-17T16:15:20.35 0.1 undecidable manual P 123 0.6673 50 0.03 91
IT.FOPC.HGZ. 2021-08-17T16:15:20.46 0.6 undecidable manual S 307 0.3471 50 -0.07 48
IV.GUMA.HHZ. 2021-08-17T16:15:20.92 0.6 undecidable manual S 31 0.3552 50 0.16 47
IV.CING.HHZ. 2021-08-17T16:15:19.09 0.1 undecidable manual P 8 0.6205 50 -0.43 84
IV.CSP1.EHZ. 2021-08-17T16:15:19.83 0.6 undecidable manual S 15 0.3435 50 -0.6 42
IV.MURB.HHZ. 2021-08-17T16:15:19.76 0.1 undecidable manual P 321 0.6466 50 -0.2 88
IV.SRES.HHZ. 2021-08-17T16:15:19.99 0.3 undecidable manual P 219 0.6709 50 -0.39 63
IV.FOSV.EHZ. 2021-08-17T16:15:18.38 0.1 undecidable manual P 336 0.5837 50 -0.5 83
IV.CAMP.HHZ. 2021-08-17T16:15:18.50 0.6 undecidable manual S 133 0.3292 50 -1.49 27
IV.FAGN.HHZ. 2021-08-17T16:15:18.86 0.1 undecidable manual P 143 0.6169 50 -0.6 80
IV.EL6.EHZ. 2021-08-17T16:15:18.20 0.1 positive manual P 2 0.5693 50 -0.44 85
IV.ARRO.EHZ. 2021-08-17T16:15:18.68 0.6 undecidable manual S 232 0.2941 103 -0.03 49
IV.ATCC.EHZ. 2021-08-17T16:15:17.70 0.1 positive manual P 323 0.5333 50 -0.33 87
IV.CESI.HNZ. 2021-08-17T16:15:17.58 0.6 undecidable manual S 332 0.2770 104 -0.49 44
IV.MNTP.HNZ. 2021-08-17T16:15:17.19 0.1 undecidable manual P 37 0.4721 50 0.21 91
IV.MNTT.EHZ. 2021-08-17T16:15:17.64 0.1 positive manual P 51 0.4829 50 0.48 86
IV.RM33.HNZ. 2021-08-17T16:15:17.68 0.6 undecidable manual S 159 0.2689 105 -0.11 48
IV.OFFI.HHZ. 2021-08-17T16:15:17.56 0.1 positive manual P 68 0.4766 50 0.51 85
IV.FDMO.HHZ. 2021-08-17T16:15:17.28 0.6 undecidable manual S 1 0.2761 104 -0.77 40
IT.MTCL.HGZ. 2021-08-17T16:15:16.19 0.6 undecidable manual S 346 0.2410 106 -0.56 44
IV.SMA1.EHZ. 2021-08-17T16:15:16.49 0.6 undecidable manual S 125 0.2275 107 0.26 47
IV.FIAM.HHZ. 2021-08-17T16:15:16.86 0.1 positive manual P 177 0.4919 50 -0.46 86
IV.MTRA.HNZ. 2021-08-17T16:15:16.24 0.3 undecidable manual S 91 0.2311 107 -0.15 72
IV.SAP2.EHZ. 2021-08-17T16:15:15.95 0.1 positive manual P 35 0.4092 50 0.05 95
IV.CESX.HHZ. 2021-08-17T16:15:15.27 0.1 positive manual P 248 0.3939 50 -0.36 89
IV.ASSB.HHZ. 2021-08-17T16:15:15.58 0.1 positive manual P 313 0.4191 50 -0.49 86
IV.MMO1.EHZ. 2021-08-17T16:15:15.98 0.6 undecidable manual S 52 0.2275 107 -0.27 47
IV.MOMA.HHZ. 2021-08-17T16:15:15.12 0.1 undecidable manual P 277 0.3777 50 -0.24 92
IV.TERO.HNZ. 2021-08-17T16:15:15.44 0.1 undecidable manual P 109 0.4074 50 -0.44 88
IV.FEMA.HNZ. 2021-08-17T16:15:15.23 0.6 undecidable manual S 354 0.2032 109 -0.12 49
IV.MF5.EHZ. 2021-08-17T16:15:15.02 0.1 positive manual P 50 0.3588 50 -0.02 97
IV.MML1.EHZ. 2021-08-17T16:15:14.57 0.1 positive manual P 347 0.3624 50 -0.53 86
IV.MC2.EHZ. 2021-08-17T16:15:14.42 0.6 undecidable manual S 28 0.1709 112 0.24 48
IV.GUMA.HHZ. 2021-08-17T16:15:14.83 0.1 positive manual P 31 0.3552 50 -0.15 94
IV.CSP1.EHZ. 2021-08-17T16:15:14.30 0.1 positive manual P 15 0.3435 50 -0.48 88
IV.LNSS.HNZ. 2021-08-17T16:15:14.23 0.6 undecidable manual S 191 0.1601 114 0.44 46
IT.FOPC.HGZ. 2021-08-17T16:15:14.53 0.1 positive manual P 307 0.3471 50 -0.31 91
IV.CAMP.HHZ. 2021-08-17T16:15:14.07 0.1 undecidable manual P 133 0.3292 50 -0.46 89
IV.GAVE.HNZ. 2021-08-17T16:15:14.06 0.6 undecidable manual S 244 0.1529 115 0.5 45
IV.ARRO.EHZ. 2021-08-17T16:15:13.65 0.1 positive manual P 232 0.2941 103 -0.14 96
IV.FDMO.HHZ. 2021-08-17T16:15:13.07 0.1 positive manual P 1 0.2761 104 -0.34 92
IV.CESI.HNZ. 2021-08-17T16:15:13.18 0.1 positive manual P 332 0.2770 104 -0.24 94
IV.RM33.HNZ. 2021-08-17T16:15:13.17 0.1 positive manual P 159 0.2689 105 -0.09 97
IV.MTRA.HNZ. 2021-08-17T16:15:12.45 0.1 positive manual P 91 0.2311 107 0 99
IT.MTCL.HGZ. 2021-08-17T16:15:12.41 0.1 undecidable manual P 346 0.2410 106 -0.25 94
IV.SMA1.EHZ. 2021-08-17T16:15:12.55 0.1 undecidable manual P 125 0.2275 107 0.2 96
IV.MMO1.EHZ. 2021-08-17T16:15:12.26 0.1 positive manual P 52 0.2275 107 -0.1 97
IV.FEMA.HNZ. 2021-08-17T16:15:11.85 0.1 positive manual P 354 0.2032 109 0 100
IV.GAVE.HNZ. 2021-08-17T16:15:11.30 0.1 positive manual P 244 0.1529 115 0.49 91
IV.NRCA.HHZ. 2021-08-17T16:15:11.20 0.3 undecidable manual S 18 0.0773 132 0.1 75
IV.MC2.EHZ. 2021-08-17T16:15:11.42 0.1 positive manual P 28 0.1709 112 0.25 96
IV.LNSS.HNZ. 2021-08-17T16:15:11.37 0.1 positive manual P 191 0.1601 114 0.42 92
IV.NRCA.HHZ. 2021-08-17T16:15:09.74 0.1 positive manual P 18 0.0773 132 0.34 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:3.8 0.09418040500000001 0.1408 AML other m 2021-08-17T16:15:11.30
IV.NRCA.HNN. ML:3.7 0.07808484999999998 0.1408 AML other m 2021-08-17T16:15:11.30
IV.NRCA.HHE. ML:4.0 0.14714760000000002 0.1536 AML other m 2021-08-17T16:15:11.36
IV.NRCA.HNE. ML:3.9 0.13876255 0.1664 AML other m 2021-08-17T16:15:11.36
IV.GAVE.HNN. ML:3.0 0.01007 0.42 AML other m 2021-08-17T16:15:14.65
IV.GAVE.EHN. ML:3.6 0.03405 0.42 AML other m 2021-08-17T16:15:14.65
IV.LNSS.HNE. ML:3.7 0.04021022999999999 0.128 AML other m 2021-08-17T16:15:14.66
IV.LNSS.HHE. ML:3.7 0.045159525 0.1408 AML other m 2021-08-17T16:15:14.66
IV.GAVE.HNE. ML:3.5 0.031100000000000003 0.38 AML other m 2021-08-17T16:15:14.91
IV.GAVE.EHE. ML:3.5 0.0291 0.86 AML other m 2021-08-17T16:15:14.29
IV.LNSS.HNN. ML:3.6 0.036970264999999995 0.192 AML other m 2021-08-17T16:15:15.10
IV.FEMA.HNE. ML:3.3 0.01455 1.54 AML other m 2021-08-17T16:15:16.21
IV.MTRA.HNE. ML:3.8 0.038527360000000004 0.2176 AML other m 2021-08-17T16:15:16.92
IV.MTRA.EHE. ML:3.8 0.038901319999999996 0.2176 AML other m 2021-08-17T16:15:16.92
IV.MTRA.HNN. ML:3.9 0.04376787 1.7696 AML other m 2021-08-17T16:15:17.90
IV.MTRA.EHN. ML:3.9 0.043869349999999994 1.7824 AML other m 2021-08-17T16:15:17.91
IV.FEMA.HNN. ML:3.3 0.0144 0.62 AML other m 2021-08-17T16:15:17.12
IV.FDMO.HHN. ML:3.2 0.00846 0.22 AML other m 2021-08-17T16:15:18.30
IV.CESI.HNN. ML:3.5 0.0145 0.84 AML other m 2021-08-17T16:15:18.89
IV.CESI.HHN. ML:3.5 0.015449999999999998 0.82 AML other m 2021-08-17T16:15:18.88
IV.RM33.EHE. ML:3.6 0.0181 0.14 AML other m 2021-08-17T16:15:18.89
IV.RM33.HNE. ML:3.6 0.01845 0.14 AML other m 2021-08-17T16:15:18.89
IV.FDMO.HHE. ML:3.2 0.007075 0.18 AML other m 2021-08-17T16:15:19.11
IV.ARRO.EHE. ML:3.0 0.004195 0.18 AML other m 2021-08-17T16:15:20.42
IV.ARRO.EHN. ML:2.9 0.003435 0.66 AML other m 2021-08-17T16:15:20.82
IV.RM33.HNN. ML:3.2 0.00717 1.5 AML other m 2021-08-17T16:15:21.02
IV.RM33.EHN. ML:3.2 0.0071400000000000005 1.5 AML other m 2021-08-17T16:15:21.02
IV.CSP1.EHE. ML:3.7 0.0195 0.58 AML other m 2021-08-17T16:15:21.03
IV.SMA1.EHN. ML:3.4 0.01745 0.3 AML other m 2021-08-17T16:15:21.11
IV.CESI.HNE. ML:3.1 0.006005 0.48 AML other m 2021-08-17T16:15:21.46
IV.CESI.HHE. ML:3.1 0.006640000000000001 0.48 AML other m 2021-08-17T16:15:21.46
IV.CSP1.EHN. ML:3.7 0.0179 1.56 AML other m 2021-08-17T16:15:21.97
IV.MOMA.HNN. ML:3.3 0.0071449999999999994 0.24 AML other m 2021-08-17T16:15:22.20
IV.MOMA.HHE. ML:3.4 0.009349999999999999 0.24 AML other m 2021-08-17T16:15:22.07
IV.MOMA.HNE. ML:3.4 0.008335 0.24 AML other m 2021-08-17T16:15:22.07
IV.MF5.EHN. ML:3.2 0.006265000000000001 0.44 AML other m 2021-08-17T16:15:22.27
IV.MML1.HNE. ML:3.0 0.0032749999999999997 1.2 AML other m 2021-08-17T16:15:22.89
IV.MML1.EHE. ML:3.0 0.00336 1.22 AML other m 2021-08-17T16:15:22.90
IV.TERO.HHE. ML:3.2 0.004275 0.6 AML other m 2021-08-17T16:15:22.62
IV.TERO.HNE. ML:3.2 0.004825 0.6 AML other m 2021-08-17T16:15:22.63
IV.MOMA.HHN. ML:3.3 0.007255 0.34 AML other m 2021-08-17T16:15:22.20
IV.ASSB.HHE. ML:2.9 0.0024500000000000004 1.76 AML other m 2021-08-17T16:15:22.89
IV.TERO.HHN. ML:3.3 0.00584 1.58 AML other m 2021-08-17T16:15:22.13
IV.GUMA.HNN. ML:3.4 0.00996 0.26 AML other m 2021-08-17T16:15:22.84
IV.ASSB.HHN. ML:3.0 0.0028599999999999997 0.38 AML other m 2021-08-17T16:15:22.80
IV.GUMA.HNE. ML:3.6 0.015449999999999998 1.58 AML other m 2021-08-17T16:15:23.97
IV.SAP2.EHN. ML:4.0 0.033350000000000005 0.52 AML other m 2021-08-17T16:15:23.51
IV.SAP2.EHE. ML:3.3 0.006369999999999999 0.16 AML other m 2021-08-17T16:15:23.41
IV.TERO.HNN. ML:3.3 0.005735 0.44 AML other m 2021-08-17T16:15:23.43
IV.MF5.EHE. ML:3.2 0.005515000000000001 0.24 AML other m 2021-08-17T16:15:23.33
IV.GUMA.HHN. ML:3.5 0.011800000000000001 1.54 AML other m 2021-08-17T16:15:23.77
IV.CESX.HHE. ML:3.0 0.002875 1.26 AML other m 2021-08-17T16:15:24.07
IV.GUMA.HHE. ML:3.6 0.01535 1.7 AML other m 2021-08-17T16:15:24.97
IV.SMA1.EHE. ML:3.4 0.0154 0.58 AML other m 2021-08-17T16:15:24.25
IV.CAMP.HHE. ML:2.8 0.002245 1.22 AML other m 2021-08-17T16:15:24.82
IV.CESX.HHN. ML:3.0 0.00342 0.26 AML other m 2021-08-17T16:15:25.10
IV.MML1.HNN. ML:3.1 0.004035 0.22 AML other m 2021-08-17T16:15:25.72
IV.MML1.EHN. ML:3.1 0.0040750000000000005 0.24 AML other m 2021-08-17T16:15:25.73
IV.CAMP.HHN. ML:2.8 0.002225 1.16 AML other m 2021-08-17T16:15:25.41
IV.FIAM.HHN. ML:2.8 0.0015249999999999999 0.6 AML other m 2021-08-17T16:15:26.69
IV.MNTP.HNN. ML:3.3 0.005050000000000001 0.24 AML other m 2021-08-17T16:15:27.47
IV.ATCC.EHN. ML:3.1 0.00259 1.74 AML other m 2021-08-17T16:15:27.04
IV.OFFI.HHE. ML:3.4 0.006835 1.2 AML other m 2021-08-17T16:15:27.99
IV.ATCC.EHE. ML:3.0 0.00211 0.26 AML other m 2021-08-17T16:15:28.48
IV.FIAM.HHE. ML:2.6 0.0010695000000000001 0.76 AML other m 2021-08-17T16:15:29.32
IV.MNTT.EHN. ML:3.7 0.011505000000000001 0.78 AML other m 2021-08-17T16:15:29.63
IV.FOSV.EHE. ML:2.8 0.001121 0.98 AML other m 2021-08-17T16:15:30.88
IV.MNTT.EHE. ML:3.9 0.0195 0.18 AML other m 2021-08-17T16:15:30.81
IV.OFFI.HHN. ML:3.4 0.006105 1.5 AML other m 2021-08-17T16:15:31.13
IV.EL6.EHE. ML:3.3 0.003685 0.88 AML other m 2021-08-17T16:15:31.22
IV.FAGN.HHN. ML:3.2 0.00296 0.22 AML other m 2021-08-17T16:15:32.61
IV.CING.HHN. ML:2.9 0.00151 1.82 AML other m 2021-08-17T16:15:33.91
IV.MURB.HNN. ML:3.7 0.008615 0.32 AML other m 2021-08-17T16:15:33.31
IV.MURB.HHN. ML:3.8 0.009685000000000001 0.3 AML other m 2021-08-17T16:15:33.31
IV.CING.HHE. ML:3.1 0.002315 0.24 AML other m 2021-08-17T16:15:33.20
IV.MNTP.HNE. ML:3.3 0.004985 0.22 AML other m 2021-08-17T16:15:33.24
IV.SRES.HHE. ML:2.6 0.0006765 0.86 AML other m 2021-08-17T16:15:33.07
IV.FOSV.EHN. ML:3.0 0.00197 0.76 AML other m 2021-08-17T16:15:33.57
IV.MMUR.HNE. ML:3.2 0.002625 0.42 AML other m 2021-08-17T16:15:33.91
IV.EL6.EHN. ML:3.3 0.0035150000000000003 1.48 AML other m 2021-08-17T16:15:33.07
IV.FAGN.HHE. ML:3.3 0.003535 1.68 AML other m 2021-08-17T16:15:33.88
IV.MMUR.HNN. ML:3.2 0.002375 0.64 AML other m 2021-08-17T16:15:33.88
IV.MURB.HHE. ML:3.6 0.006755 0.26 AML other m 2021-08-17T16:15:33.97
IV.MURB.HNE. ML:3.6 0.006245 1.7 AML other m 2021-08-17T16:15:33.97
IV.VCEL.EHE. ML:3.1 0.0021799999999999996 0.38 AML other m 2021-08-17T16:15:35.65
IV.TRTR.HHN. ML:3.4 0.00412 1.54 AML other m 2021-08-17T16:15:36.13
IV.PP3.HNN. ML:3.5 0.004205 0.38 AML other m 2021-08-17T16:15:36.34
IV.PP3.HNE. ML:3.6 0.006355 0.36 AML other m 2021-08-17T16:15:36.15
IV.PP3.EHN. ML:3.6 0.006245 0.36 AML other m 2021-08-17T16:15:36.33
IV.PP3.EHE. ML:3.5 0.00443 0.3 AML other m 2021-08-17T16:15:36.54
IV.ARVD.HHN. ML:2.7 0.0007155 1.3 AML other m 2021-08-17T16:15:36.24
IV.T0110.HHE. ML:3.0 0.00147 1.58 AML other m 2021-08-17T16:15:37.83
IV.VCEL.EHN. ML:3.1 0.0020499999999999997 0.9 AML other m 2021-08-17T16:15:37.18
IV.ATVO.HHN. ML:2.8 0.000727 1.38 AML other m 2021-08-17T16:15:38.95
IV.SRES.HHN. ML:2.7 0.0007115 0.72 AML other m 2021-08-17T16:15:38.26
IV.MTCE.HHN. ML:2.6 0.0005285 1.2 AML other m 2021-08-17T16:15:39.07
IV.ARVD.HHE. ML:2.8 0.0009015 1.08 AML other m 2021-08-17T16:15:39.20
IV.MTCE.HHE. ML:3.0 0.00133 1.6 AML other m 2021-08-17T16:15:39.09
IV.ATMI.HHE. ML:3.3 0.0024000000000000002 1.3 AML other m 2021-08-17T16:15:39.34
IV.ATMI.HHN. ML:3.3 0.00248 1.68 AML other m 2021-08-17T16:15:40.97
IV.CERT.HNE. ML:3.3 0.0024300000000000003 0.56 AML other m 2021-08-17T16:15:40.23
IV.SACS.HHN. ML:2.9 0.0008440000000000001 1.06 AML other m 2021-08-17T16:15:40.76
IV.CERT.HHE. ML:3.3 0.0024649999999999997 0.56 AML other m 2021-08-17T16:15:40.23
IV.SACS.HNN. ML:2.9 0.0009065 0.94 AML other m 2021-08-17T16:15:40.77
IV.CERT.HHN. ML:3.0 0.00128 0.32 AML other m 2021-08-17T16:15:40.24
IV.CERT.HNN. ML:3.0 0.0012749999999999999 0.34 AML other m 2021-08-17T16:15:40.24
IV.T0110.HHN. ML:3.0 0.00147 0.82 AML other m 2021-08-17T16:15:40.06
IV.PIEI.HHN. ML:2.7 0.000523 0.4 AML other m 2021-08-17T16:15:40.51
IV.SACS.HHE. ML:2.9 0.000818 0.56 AML other m 2021-08-17T16:15:40.32
IV.SACS.HNE. ML:2.8 0.000712 0.56 AML other m 2021-08-17T16:15:40.33
IV.TRTR.HHE. ML:3.4 0.00441 1.54 AML other m 2021-08-17T16:15:41.96
IV.CAFI.HNN. ML:2.7 0.00045650000000000004 0.36 AML other m 2021-08-17T16:15:42.50
IV.CAFI.HHN. ML:2.8 0.000499 0.36 AML other m 2021-08-17T16:15:42.50
IV.CAFI.HNE. ML:2.8 0.0005025 0.44 AML other m 2021-08-17T16:15:42.71
IV.CAFI.HHE. ML:2.8 0.000522 0.46 AML other m 2021-08-17T16:15:42.71
IV.PTQR.HHN. ML:2.6 0.0005495 0.6 AML other m 2021-08-17T16:15:44.43
IV.AOI.HHE. ML:3.1 0.0012349999999999998 0.3 AML other m 2021-08-17T16:15:45.39
IV.AOI.HHN. ML:3.1 0.00127 0.4 AML other m 2021-08-17T16:15:45.99
IV.MCIV.CHN. ML:2.5 0.0002665 0.4 AML other m 2021-08-17T16:15:45.78
IV.PTQR.HHE. ML:2.6 0.000579 0.5 AML other m 2021-08-17T16:15:46.28
IV.MPAG.EHN. ML:3.0 0.001065 1.26 AML other m 2021-08-17T16:15:46.73
IV.PIEI.HHE. ML:2.8 0.0006655 0.3 AML other m 2021-08-17T16:15:47.21
IV.GUAR.HHE. ML:3.0 0.0009279999999999999 0.8 AML other m 2021-08-17T16:15:47.44
IV.MCIV.CHE. ML:2.7 0.00041600000000000003 0.98 AML other m 2021-08-17T16:15:47.64
IV.MPAG.EHE. ML:2.8 0.0006525 0.92 AML other m 2021-08-17T16:15:47.79
IV.INTR.HNE. ML:2.9 0.0007885 1.04 AML other m 2021-08-17T16:15:47.35
IV.NARO.HHE. ML:2.7 0.000479 0.9 AML other m 2021-08-17T16:15:48.12
IV.NARO.HHN. ML:2.7 0.000491 1.14 AML other m 2021-08-17T16:15:48.89
IV.GUAR.HHN. ML:3.0 0.000885 1.26 AML other m 2021-08-17T16:15:50.63
IV.RDP.HHN. ML:3.4 0.002075 1.62 AML other m 2021-08-17T16:15:50.84
IV.ATVO.HHE. ML:2.7 0.0006645 0.5 AML other m 2021-08-17T16:15:51.55
IV.ARCI.HNN. ML:2.3 0.00013550000000000001 1.1 AML other m 2021-08-17T16:15:52.14
IV.ARCI.HHN. ML:2.3 0.0001255 1.12 AML other m 2021-08-17T16:15:52.13
IV.LPEL.HHN. ML:2.9 0.000675 0.44 AML other m 2021-08-17T16:15:52.70
IV.LPEL.HHE. ML:2.8 0.0005074999999999999 0.66 AML other m 2021-08-17T16:15:53.42
IV.ARCI.HHE. ML:2.2 0.0001145 1.24 AML other m 2021-08-17T16:15:53.67
IV.ARCI.HNE. ML:2.2 0.00011149999999999999 1.22 AML other m 2021-08-17T16:15:53.68
IV.INTR.HHE. ML:3.0 0.000798 1.46 AML other m 2021-08-17T16:15:53.96
IV.LRP.EHN. ML:2.1 0.0000844 1.38 AML other m 2021-08-17T16:15:54.82
IV.INTR.HHN. ML:3.0 0.0009239999999999999 1.1 AML other m 2021-08-17T16:15:55.79
IV.INTR.HNN. ML:3.0 0.0009274999999999999 1.1 AML other m 2021-08-17T16:15:55.80
IV.RDP.HHE. ML:3.1 0.0011400000000000002 0.44 AML other m 2021-08-17T16:15:56.56
IV.GIUL.HHN. ML:2.8 0.000377 0.54 AML other m 2021-08-17T16:15:58.46
IV.LRP.EHE. ML:2.7 0.00033650000000000005 0.68 AML other m 2021-08-17T16:15:59.63
IV.GIUL.HHE. ML:2.7 0.000294 0.9 AML other m 2021-08-17T16:16:00.71
IV.CERA.HHN. ML:2.9 0.00037 0.48 AML other m 2021-08-17T16:16:04.63
IV.CERA.HHE. ML:2.8 0.0003055 0.6 AML other m 2021-08-17T16:16:05.60
IV.CERA.HNE. ML:2.8 0.000338 1.28 AML other m 2021-08-17T16:16:09.28
IV.CERA.HNN. ML:2.9 0.0003725 0.66 AML other m 2021-08-17T16:16:10.34
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download