Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 25-03-2021 and time 13:40:02 (UTC) in region 2 km SE Monte Cavallo (MC)

A magnitude ML 2.4 earthquake occured in region: 2 km SE Monte Cavallo (MC), on

  • 25-03-2021 13:40:02 (UTC)
  • 25-03-2021 14:40:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9820, 13.0150 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
Monte Cavallo MC 2 145 145
Pieve Torina MC 8 1458 1603
Visso MC 8 1107 2710
Fiordimonte MC 9 202 2912
Pievebovigliana MC 11 866 3778
Ussita MC 11 444 4222
Serravalle di Chienti MC 11 1070 5292
Preci PG 12 724 6016
Muccia MC 12 915 6931
Sellano PG 12 1079 8010
Fiastra MC 13 559 8569
Acquacanina MC 14 121 8690
Castelsantangelo sul Nera MC 15 281 8971
Bolognola MC 17 142 9113
Camerino MC 18 6974 16087
Sefro MC 19 422 16509
Cerreto di Spoleto PG 20 1075 17584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.4 2021-03-25
13:40:02		 42.9818 13.0148 8 2021-07-12
16:55:05		 Bollettino Sismico Italiano INGV 88821381
Reviewed
Rev100 		ML 2.4 2021-03-25
13:40:02		 42.9802 13.0165 4 2021-03-25
13:53:16		 Sala Sismica INGV-Roma 88463031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-25 13:40:02 ± 0.04
Latitude 42.9818 ± 0.0027
Longitude 13.0148 ± 0.0037
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 88821381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 272
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 59
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.70327
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 44
Type of magnitude ML
Reference to an origin 88463031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-25 13:53:16

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 88821381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-14 12:36:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2021-03-25T13:40:22.01 0.3 undecidable manual S 130 62.2932 50 0.07 69
IV.CESX.HHZ. 2021-03-25T13:40:20.56 0.6 undecidable manual S 220 54.1014 50 0.81 38
IV.RM33.EHZ. 2021-03-25T13:40:19.93 0.3 undecidable manual S 163 54.9006 50 -0.04 71
IV.CING.HNZ. 2021-03-25T13:40:18.02 0.6 undecidable manual S 18 46.0206 50 0.42 44
IV.MOMA.HHZ. 2021-03-25T13:40:16.46 0.1 undecidable manual S 242 41.2254 50 0.16 94
IV.FOSV.EHZ. 2021-03-25T13:40:16.62 0.6 undecidable manual S 329 40.3263 50 0.55 43
IV.PIEI.HHZ. 2021-03-25T13:40:15.52 0.3 undecidable manual P 328 72.6717 50 0.37 64
IV.EL6.EHZ. 2021-03-25T13:40:15.80 0.3 undecidable manual S 10 39.2274 50 0.03 73
IV.MPAG.EHZ. 2021-03-25T13:40:15.44 0.1 undecidable manual P 344 74.6697 50 -0.03 91
IV.ATCC.EHZ. 2021-03-25T13:40:15.31 0.3 undecidable manual S 307 37.8288 50 -0.1 72
IV.NARO.HHZ. 2021-03-25T13:40:15.98 0.3 undecidable manual P 333 78.0663 50 -0.01 68
IV.GAVE.EHZ. 2021-03-25T13:40:14.55 0.1 undecidable manual S 197 33.5442 103 0.48 89
IV.ATVO.HHZ. 2021-03-25T13:40:14.10 0.6 undecidable manual P 312 66.2781 50 -0.07 46
IV.ASSB.HHZ. 2021-03-25T13:40:13.01 0.1 undecidable manual S 283 29.6481 105 0.27 94
IV.TERO.HHZ. 2021-03-25T13:40:13.15 0.3 undecidable manual P 130 62.2932 50 -0.41 64
IV.FRON.EHZ. 2021-03-25T13:40:13.38 0.3 undecidable manual P 339 63.8916 50 -0.42 64
IV.ATFO.HHZ. 2021-03-25T13:40:12.47 0.1 undecidable manual P 320 55.6998 50 -0.08 93
IV.CESX.HHZ. 2021-03-25T13:40:12.25 0.3 undecidable manual P 220 54.1014 50 -0.05 71
IV.SSFR.HHZ. 2021-03-25T13:40:12.09 0.1 undecidable manual P 340 53.8017 50 -0.16 92
IV.MNTT.EHZ. 2021-03-25T13:40:12.02 0.3 undecidable manual P 79 47.9187 50 0.68 61
IV.GUMA.HHZ. 2021-03-25T13:40:12.59 0.6 undecidable manual S 71 27.4503 106 0.57 44
IV.ARRO.EHZ. 2021-03-25T13:40:11.44 0.3 undecidable manual P 205 49.0176 50 -0.07 71
IV.RM33.EHZ. 2021-03-25T13:40:11.90 0.3 undecidable manual P 163 54.9006 50 -0.52 64
IV.MMO1.EHZ. 2021-03-25T13:40:11.98 0.6 undecidable manual S 110 26.9508 106 0.14 48
IV.MURB.HHZ. 2021-03-25T13:40:11.74 0.1 undecidable manual P 308 50.5161 50 0 96
IV.CING.HNZ. 2021-03-25T13:40:11.05 0.1 undecidable manual P 18 46.0206 50 0 96
IV.SMA1.EHZ. 2021-03-25T13:40:10.78 0.1 undecidable manual P 146 46.9197 50 -0.4 89
IV.LNSS.HHZ. 2021-03-25T13:40:10.19 0.1 undecidable manual P 177 42.1245 50 -0.25 92
IV.PF6.EHN. 2021-03-25T13:40:10.45 0.6 undecidable manual S 40 22.6551 109 0.05 50
IV.MOMA.HHZ. 2021-03-25T13:40:10.18 0.1 undecidable manual P 242 41.2254 50 -0.12 95
IV.CSP1.EHZ. 2021-03-25T13:40:09.57 0.6 undecidable manual S 52 19.6692 111 0.13 49
IV.ATCC.EHZ. 2021-03-25T13:40:09.62 0.1 negative manual P 307 37.8288 50 -0.17 95
IV.MTRA.EHE. 2021-03-25T13:40:09.68 0.1 undecidable manual P 129 39.8268 50 -0.42 89
IV.FOSV.EHZ. 2021-03-25T13:40:09.84 0.1 undecidable manual P 329 40.3263 50 -0.33 91
IV.MF5.EHN. 2021-03-25T13:40:09.68 0.3 undecidable manual P 89 36.1416 102 0.17 71
IV.EL6.EHZ. 2021-03-25T13:40:09.72 0.1 undecidable manual P 10 39.2274 50 -0.28 92
IV.NRCA.HHZ. 2021-03-25T13:40:09.34 0.6 undecidable manual S 154 18.3705 113 0.33 47
IV.GAVE.EHZ. 2021-03-25T13:40:09.03 0.1 undecidable manual P 197 33.5442 103 0.02 98
IV.MC2.EHZ. 2021-03-25T13:40:08.96 0.3 undecidable manual S 119 16.1727 116 0.63 65
IV.GUMA.HHZ. 2021-03-25T13:40:08.18 0.1 negative manual P 71 27.4503 106 0.35 93
IV.MML1.HNE. 2021-03-25T13:40:08.54 0.6 undecidable manual S 347 14.9739 117 0.57 45
IV.ASSB.HHZ. 2021-03-25T13:40:08.21 0.1 negative manual P 283 29.6481 105 -0.04 99
IV.SAP2.EHE. 2021-03-25T13:40:08.59 0.6 undecidable manual P 68 33.6441 103 -0.44 45
IV.MMO1.EHZ. 2021-03-25T13:40:07.66 0.1 undecidable manual P 110 26.9508 106 -0.06 99
IV.MDAR.HNN. 2021-03-25T13:40:07.46 0.3 undecidable manual P 24 25.5522 107 0 75
IV.PF6.EHN. 2021-03-25T13:40:06.93 0.1 positive manual P 40 22.6551 109 0.03 100
IV.SEF1.HNN. 2021-03-25T13:40:06.29 0.3 undecidable manual P 343 19.0698 112 0.05 75
IV.CSP1.EHZ. 2021-03-25T13:40:06.50 0.1 negative manual P 52 19.6692 111 0.16 98
IV.NRCA.HHZ. 2021-03-25T13:40:06.23 0.1 negative manual P 154 18.3705 113 0.14 99
IV.CESI.HHZ. 2021-03-25T13:40:06.59 0.3 undecidable manual S 286 9.2796 130 0.28 73
IV.MC2.EHZ. 2021-03-25T13:40:05.95 0.1 negative manual P 119 16.1727 116 0.25 97
IV.MML1.HNE. 2021-03-25T13:40:05.59 0.1 negative manual P 347 14.9739 117 0.09 100
IV.FDMO.HHN. 2021-03-25T13:40:05.79 0.6 undecidable manual S 44 8.4804 132 -0.3 48
IV.FEMA.HNZ. 2021-03-25T13:40:04.38 0.3 undecidable manual S 128 3.5964 155 -0.69 65
IV.CESI.HHZ. 2021-03-25T13:40:04.93 0.1 negative manual P 286 9.2796 130 0.4 95
IV.FDMO.HHN. 2021-03-25T13:40:04.40 0.3 undecidable manual P 44 8.4804 132 -0.01 77
IT.MTCL.HGZ. 2021-03-25T13:40:03.29 0.1 negative manual P 317 1.7982 167 -0.41 96
IT.MTCL.HGZ. 2021-03-25T13:40:03.76 0.3 undecidable manual S 317 1.7982 167 -1.11 54
IV.FEMA.HNZ. 2021-03-25T13:40:03.60 0.1 negative manual P 128 3.5964 155 -0.22 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:2.7 0.007414999999999999 1.22 AML other m 2021-03-25T13:40:08.78
IV.CESI.HNN. ML:2.7 0.00715 1.22 AML other m 2021-03-25T13:40:08.79
IV.CESI.HHE. ML:2.6 0.00611 0.64 AML other m 2021-03-25T13:40:09.33
IV.CESI.HNE. ML:2.6 0.0059299999999999995 0.64 AML other m 2021-03-25T13:40:09.34
IV.NRCA.HHE. ML:2.6 0.0033099999999999996 0.48 AML other m 2021-03-25T13:40:09.64
IV.NRCA.HNE. ML:2.5 0.002915 1.38 AML other m 2021-03-25T13:40:10.20
IV.NRCA.HNN. ML:2.6 0.003215 0.6 AML other m 2021-03-25T13:40:10.93
IV.NRCA.HHN. ML:2.6 0.003105 0.62 AML other m 2021-03-25T13:40:10.93
IV.ASSB.HHE. ML:2.4 0.0011825000000000002 0.94 AML other m 2021-03-25T13:40:14.52
IV.GUMA.HNN. ML:3.0 0.005369999999999999 0.74 AML other m 2021-03-25T13:40:15.43
IV.GUMA.HNE. ML:3.1 0.006535 0.5 AML other m 2021-03-25T13:40:15.87
IV.GAVE.HNE. ML:2.6 0.0018800000000000002 0.58 AML other m 2021-03-25T13:40:15.93
IV.GAVE.EHE. ML:2.6 0.00183 0.58 AML other m 2021-03-25T13:40:15.93
IV.CSP1.EHN. ML:3.1 0.01026 0.72 AML other m 2021-03-25T13:40:15.29
IV.GUMA.HHE. ML:3.0 0.00621 0.48 AML other m 2021-03-25T13:40:15.90
IV.CSP1.EHE. ML:3.1 0.009845000000000001 1.4 AML other m 2021-03-25T13:40:15.26
IV.GAVE.HNN. ML:2.2 0.0006779999999999999 0.76 AML other m 2021-03-25T13:40:16.39
IV.GAVE.EHN. ML:2.8 0.002505 0.78 AML other m 2021-03-25T13:40:16.40
IV.EL6.EHN. ML:2.8 0.0020949999999999996 0.28 AML other m 2021-03-25T13:40:17.09
IV.FOSV.EHN. ML:2.3 0.0007250000000000001 0.36 AML other m 2021-03-25T13:40:17.62
IV.EL6.EHE. ML:2.8 0.0020549999999999995 0.28 AML other m 2021-03-25T13:40:17.84
IV.GUMA.HHN. ML:3.0 0.006305 1.44 AML other m 2021-03-25T13:40:18.03
IV.ASSB.HHN. ML:2.2 0.0008205 1.22 AML other m 2021-03-25T13:40:18.22
IV.FOSV.EHE. ML:2.2 0.000528 1.3 AML other m 2021-03-25T13:40:18.96
IV.MOMA.HHE. ML:2.2 0.000515 0.22 AML other m 2021-03-25T13:40:18.48
IV.MOMA.HHN. ML:2.2 0.0005475 1.02 AML other m 2021-03-25T13:40:18.90
IV.LNSS.HHN. ML:2.5 0.000998 1.68 AML other m 2021-03-25T13:40:19.03
IV.SSFR.HHE. ML:2.6 0.0010760000000000001 0.26 AML other m 2021-03-25T13:40:21.52
IV.SSFR.HNE. ML:2.7 0.0011749999999999998 0.26 AML other m 2021-03-25T13:40:21.53
IV.RM33.EHE. ML:2.2 0.00032999999999999994 0.26 AML other m 2021-03-25T13:40:22.17
IV.RM33.HNE. ML:2.2 0.00035 0.26 AML other m 2021-03-25T13:40:22.04
IV.CESX.HHN. ML:2.5 0.000711 1.4 AML other m 2021-03-25T13:40:22.19
IV.RM33.HNN. ML:2.2 0.00041 0.74 AML other m 2021-03-25T13:40:22.39
IV.RM33.EHN. ML:2.2 0.00039200000000000004 0.34 AML other m 2021-03-25T13:40:22.22
IV.ATCC.EHE. ML:2.5 0.0011099999999999999 0.5 AML other m 2021-03-25T13:40:22.87
IV.CESX.HHE. ML:2.5 0.000779 0.44 AML other m 2021-03-25T13:40:22.60
IV.MNTT.EHN. ML:2.8 0.0016549999999999998 0.3 AML other m 2021-03-25T13:40:22.87
IV.MNTT.EHE. ML:2.7 0.00152 1.14 AML other m 2021-03-25T13:40:23.74
IV.ATCC.EHN. ML:2.5 0.0011 1.3 AML other m 2021-03-25T13:40:23.89
IV.MURB.HNN. ML:2.6 0.0009585000000000002 0.98 AML other m 2021-03-25T13:40:23.54
IV.MURB.HHN. ML:2.6 0.0010750000000000002 1.02 AML other m 2021-03-25T13:40:23.55
IV.FRON.EHN. ML:2.4 0.000461 0.82 AML other m 2021-03-25T13:40:23.58
IV.MURB.HHE. ML:2.6 0.000956 0.32 AML other m 2021-03-25T13:40:24.04
IV.MURB.HNE. ML:2.6 0.0010055 0.34 AML other m 2021-03-25T13:40:24.04
IV.SSFR.HHN. ML:2.4 0.000628 0.24 AML other m 2021-03-25T13:40:24.12
IV.SSFR.HNN. ML:2.4 0.000653 0.78 AML other m 2021-03-25T13:40:24.79
IV.SMA1.EHE. ML:2.5 0.000855 0.52 AML other m 2021-03-25T13:40:24.64
IV.LNSS.HHE. ML:2.4 0.0008085 0.5 AML other m 2021-03-25T13:40:25.26
IV.TERO.HHE. ML:2.0 0.00020899999999999998 0.34 AML other m 2021-03-25T13:40:25.93
IV.FRON.EHE. ML:2.1 0.0002455 1.24 AML other m 2021-03-25T13:40:26.82
IV.ATFO.HHN. ML:2.2 0.00033850000000000004 0.56 AML other m 2021-03-25T13:40:27.51
IV.ATFO.HHE. ML:2.2 0.00035499999999999996 0.86 AML other m 2021-03-25T13:40:27.56
IV.PIEI.HHE. ML:1.9 0.000117 0.38 AML other m 2021-03-25T13:40:28.67
IV.MPAG.EHE. ML:2.2 0.0002165 1.62 AML other m 2021-03-25T13:40:29.03
IV.ATVO.HHE. ML:2.1 0.00020400000000000003 1.3 AML other m 2021-03-25T13:40:30.81
IV.TERO.HHN. ML:2.1 0.000258 1.54 AML other m 2021-03-25T13:40:30.22
IV.ATVO.HHN. ML:2.0 0.000161 0.8 AML other m 2021-03-25T13:40:30.84
IV.MPAG.EHN. ML:2.1 0.0001815 0.98 AML other m 2021-03-25T13:40:30.49
IV.SMA1.EHN. ML:2.4 0.000682 1.38 AML other m 2021-03-25T13:40:31.94
IV.NARO.HHE. ML:1.9 0.000127 1 AML other m 2021-03-25T13:40:32.26
IV.PIEI.HHN. ML:1.9 0.000132 0.3 AML other m 2021-03-25T13:40:33.50
IV.NARO.HHN. ML:1.9 0.00010819999999999999 1.16 AML other m 2021-03-25T13:40:41.58
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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