Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 04-03-2023 and time 02:03:03 (UTC) in region 4 km SE Monte Cavallo (MC)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Monte Cavallo (MC), on

  • 04-03-2023 02:03:03 (UTC)
  • 04-03-2023 03:03:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9580, 13.0260 at 10 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 5 145 145
Visso MC 6 1107 1252
Preci PG 9 724 1976
Ussita MC 9 444 2420
Pieve Torina MC 10 1458 3878
Fiordimonte MC 10 202 4080
Sellano PG 11 1079 5159
Castelsantangelo sul Nera MC 13 281 5440
Pievebovigliana MC 13 866 6306
Fiastra MC 14 559 6865
Muccia MC 14 915 7780
Serravalle di Chienti MC 14 1070 8850
Acquacanina MC 15 121 8971
Bolognola MC 17 142 9113
Cerreto di Spoleto PG 18 1075 10188
Norcia PG 19 4957 15145
Camerino MC 20 6974 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
99 Km S of Fano (60888 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 1.5 2023-03-04
02:03:03		 42.9582 13.026 10 2024-03-01
17:18:12		 Bollettino Sismico Italiano INGV 118736001
Reviewed
Rev100 		ML 1.6 2023-03-04
02:03:03		 42.9608 13.0168 10 2023-03-04
02:13:04		 Sala Sismica INGV-Roma 114977891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-04 02:03:03 ± 0.05
Latitude 42.9582 ± 0.0027
Longitude 13.0260 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118736001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 207
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 67
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 118736001
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-26 12:05:16

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 26
Type of magnitude ML
Reference to an origin 114977891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-04 02:13:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-03-04T02:03:26.97 0.6 undecidable manual S 328 75.369 50 0.64 39
IV.FRON.EHZ. 2023-03-04T02:03:24.28 0.6 undecidable manual S 339 66.6777 50 0.27 44
IV.ATVO.HHZ. 2023-03-04T02:03:24.93 1.0 undecidable manual S 313 68.6757 50 0.37 21
IV.TERO.HHZ. 2023-03-04T02:03:22.45 0.3 undecidable manual S 128 59.9955 50 0.22 67
IV.ATSC.EHE. 2023-03-04T02:03:21.97 1.0 undecidable manual S 332 58.497 50 0.13 23
IV.SSFR.HHZ. 2023-03-04T02:03:21.76 0.6 undecidable manual S 340 56.5989 50 0.44 43
IV.RM33.HNE. 2023-03-04T02:03:20.35 1.0 undecidable manual S 163 52.1034 50 0.21 23
IV.MNTT.EHZ. 2023-03-04T02:03:19.43 1.0 undecidable manual S 76 47.619 50 0.5 22
IV.CING.HHZ. 2023-03-04T02:03:19.27 0.3 undecidable manual S 16 48.3183 50 0.16 69
IV.SMA1.EHZ. 2023-03-04T02:03:18.08 0.6 undecidable manual S 145 44.2224 50 0.05 48
IV.MOMA.HHZ. 2023-03-04T02:03:17.71 0.3 undecidable manual S 245 40.8258 50 0.59 63
IV.PIEI.HHZ. 2023-03-04T02:03:17.32 1.0 undecidable manual P 328 75.369 50 0.66 19
IV.FOSV.EHZ. 2023-03-04T02:03:17.22 0.6 undecidable manual S 330 43.0236 50 -0.49 43
IV.MF5.EHZ. 2023-03-04T02:03:16.36 0.3 undecidable manual S 85 35.3424 50 0.7 61
IV.ATCC.EHZ. 2023-03-04T02:03:16.59 0.6 undecidable manual S 309 40.1265 50 -0.35 45
IV.LNSS.HNZ. 2023-03-04T02:03:16.46 0.6 undecidable manual S 178 39.4272 50 -0.29 46
IV.ATVO.HHZ. 2023-03-04T02:03:15.68 0.6 undecidable manual P 313 68.6757 50 0.04 46
IV.MTRA.EHE. 2023-03-04T02:03:15.99 0.3 undecidable manual S 126 37.5291 50 -0.25 69
IV.SAP2.EHE. 2023-03-04T02:03:15.90 0.3 undecidable manual S 63 33.9438 50 0.62 63
IV.TERO.HHZ. 2023-03-04T02:03:14.14 0.6 undecidable manual P 128 59.9955 50 -0.16 45
IV.SNTG.HHZ. 2023-03-04T02:03:14.71 0.6 undecidable manual S 348 33.6441 50 -0.49 44
IV.GAVE.EHN. 2023-03-04T02:03:14.51 0.3 undecidable manual S 200 31.4463 50 -0.09 72
IV.FRON.EHZ. 2023-03-04T02:03:14.74 0.6 undecidable manual P 339 66.6777 50 -0.58 40
IV.ATSC.EHE. 2023-03-04T02:03:14.23 1.0 undecidable manual P 332 58.497 50 0.16 23
IV.SSFR.HHZ. 2023-03-04T02:03:13.63 0.3 undecidable manual P 340 56.5989 50 -0.14 68
IV.RM33.HNE. 2023-03-04T02:03:13.56 1.0 undecidable manual P 163 52.1034 50 0.47 21
IV.ASSB.HHZ. 2023-03-04T02:03:13.94 0.6 undecidable manual S 288 31.2465 50 -0.62 42
IV.MURB.HHZ. 2023-03-04T02:03:13.00 3.0 undecidable manual P -0.7 0
IV.MNTT.EHZ. 2023-03-04T02:03:13.02 0.3 undecidable manual P 76 47.619 50 0.63 61
IV.GUMA.HHZ. 2023-03-04T02:03:13.73 0.3 undecidable manual S 65 27.6501 50 0.13 72
7F.SIB2.EHE. 2023-03-04T02:03:12.00 0.3 undecidable manual S 108 23.754 112 -0.36 69
IV.MMO1.EHZ. 2023-03-04T02:03:12.07 0.6 undecidable manual S 105 25.2525 111 -0.78 40
IV.CING.HHZ. 2023-03-04T02:03:12.32 0.3 undecidable manual P 16 48.3183 50 -0.17 69
IV.FOSV.EHZ. 2023-03-04T02:03:11.35 0.1 undecidable manual P 330 43.0236 50 -0.34 90
IV.PF6.EHN. 2023-03-04T02:03:11.99 0.3 undecidable manual S 34 24.1536 112 -0.49 67
IV.ATCC.EHZ. 2023-03-04T02:03:11.02 0.1 undecidable manual P 309 40.1265 50 -0.22 93
IV.CSP1.EHZ. 2023-03-04T02:03:11.24 0.6 undecidable manual S 44 20.7681 115 -0.16 49
IV.MOMA.HHZ. 2023-03-04T02:03:11.54 0.3 undecidable manual P 245 40.8258 50 0.2 70
7F.SIB1.EHE. 2023-03-04T02:03:11.50 0.6 undecidable manual S 109 21.0678 115 0.01 50
IV.EL6.EHZ. 2023-03-04T02:03:11.37 0.1 undecidable manual P 8 41.625 50 -0.1 95
IV.SMA1.EHZ. 2023-03-04T02:03:11.58 0.6 undecidable manual P 145 44.2224 50 -0.29 45
7F.SIB3.EHN. 2023-03-04T02:03:11.46 0.6 undecidable manual S 115 21.867 114 -0.29 47
IV.MF5.EHZ. 2023-03-04T02:03:10.70 0.1 positive manual P 85 35.3424 50 0.2 94
IV.LNSS.HNZ. 2023-03-04T02:03:10.92 0.3 undecidable manual P 178 39.4272 50 -0.21 70
IV.MTRA.EHE. 2023-03-04T02:03:10.56 0.3 undecidable manual P 126 37.5291 50 -0.27 69
IV.SAP2.EHE. 2023-03-04T02:03:10.53 0.6 undecidable manual P 63 33.9438 50 0.25 47
IV.NRCA.HNZ. 2023-03-04T02:03:09.70 0.6 undecidable manual S 153 15.5733 122 -0.12 49
IV.GUMA.HHZ. 2023-03-04T02:03:09.34 0.1 positive manual P 65 27.6501 50 0.03 98
IV.ASSB.HHZ. 2023-03-04T02:03:09.55 0.1 positive manual P 288 31.2465 50 -0.32 92
IV.SNTG.HHZ. 2023-03-04T02:03:09.90 0.3 undecidable manual P 348 33.6441 50 -0.34 69
IV.GAVE.EHN. 2023-03-04T02:03:09.82 0.6 undecidable manual P 200 31.4463 50 -0.07 48
IV.MC2.EHZ. 2023-03-04T02:03:09.68 0.6 undecidable manual S 111 14.1747 124 0.26 48
IV.MMO1.EHZ. 2023-03-04T02:03:08.69 0.1 positive manual P 105 25.2525 111 -0.19 96
7F.SIB3.EHN. 2023-03-04T02:03:08.04 0.1 positive manual P 115 21.867 114 -0.2 96
IV.CESI.HHE. 2023-03-04T02:03:08.73 0.3 undecidable manual S 298 11.0778 131 0.16 74
IV.PF6.EHN. 2023-03-04T02:03:08.38 0.1 positive manual P 34 24.1536 112 -0.29 94
IV.FDMO.HHZ. 2023-03-04T02:03:08.24 0.6 undecidable manual S 30 9.9789 134 -0.05 51
7F.SIB2.EHE. 2023-03-04T02:03:08.40 0.1 positive manual P 108 23.754 112 -0.2 96
7F.SIB1.EHE. 2023-03-04T02:03:08.10 0.1 positive manual P 109 21.0678 115 0 100
IT.MTCL.HGZ. 2023-03-04T02:03:07.24 0.6 undecidable manual S 331 4.4955 155 0.08 51
IV.MC2.EHZ. 2023-03-04T02:03:07.15 0.1 positive manual P 111 14.1747 124 0.25 96
IV.FEMA.HNZ. 2023-03-04T02:03:07.38 0.6 undecidable manual S 77 1.998 168 0.5 47
IV.NRCA.HNZ. 2023-03-04T02:03:07.27 0.1 positive manual P 153 15.5733 122 0.14 98
IV.CSP1.EHZ. 2023-03-04T02:03:07.97 0.1 positive manual P 44 20.7681 115 -0.07 99
IV.FDMO.HHZ. 2023-03-04T02:03:06.43 0.1 undecidable manual P 30 9.9789 134 0.19 98
IV.CESI.HHE. 2023-03-04T02:03:06.68 0.1 positive manual P 298 11.0778 131 0.27 96
IT.MTCL.HGZ. 2023-03-04T02:03:05.81 0.1 negative manual P 331 4.4955 155 0.22 99
IV.FEMA.HNZ. 2023-03-04T02:03:05.85 0.1 negative manual P 77 1.998 168 0.41 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.9 0.0008415 1.86 AML other m 2023-03-04T02:03:09.06
IV.NRCA.HNN. ML:1.9 0.0007809999999999999 0.12 AML other m 2023-03-04T02:03:10.06
IV.NRCA.HNE. ML:1.8 0.0006265000000000001 0.96 AML other m 2023-03-04T02:03:10.02
IV.NRCA.HHE. ML:1.8 0.0005545 0.92 AML other m 2023-03-04T02:03:10.44
IV.MC2.EHN. ML:1.8 0.0006025000000000001 0.46 AML other m 2023-03-04T02:03:11.20
IV.MC2.EHE. ML:1.6 0.00039 0.16 AML other m 2023-03-04T02:03:11.81
IV.CSP1.EHE. ML:1.8 0.000441 0.22 AML other m 2023-03-04T02:03:11.82
IV.CSP1.EHN. ML:1.7 0.0003525 0.66 AML other m 2023-03-04T02:03:12.61
IV.MMO1.EHE. ML:1.4 0.000154 0.48 AML other m 2023-03-04T02:03:12.80
IV.MMO1.EHN. ML:1.4 0.0001585 0.24 AML other m 2023-03-04T02:03:13.25
IV.GUMA.HHE. ML:1.7 0.000268 0.18 AML other m 2023-03-04T02:03:13.90
IV.GUMA.HHN. ML:1.5 0.0001555 0.26 AML other m 2023-03-04T02:03:14.14
IV.ASSB.HHE. ML:1.3 0.0000866 0.6 AML other m 2023-03-04T02:03:14.68
IV.ASSB.HHN. ML:1.2 0.0000785 0.16 AML other m 2023-03-04T02:03:15.69
IV.FOSV.EHN. ML:1.0 0.000035999999999999994 0.72 AML other m 2023-03-04T02:03:17.33
IV.FOSV.EHE. ML:1.2 0.0000429 0.5 AML other m 2023-03-04T02:03:19.02
IV.CING.HHE. ML:1.2 0.00003985 0.5 AML other m 2023-03-04T02:03:20.69
IV.SSFR.HHN. ML:1.3 0.0000414 0.16 AML other m 2023-03-04T02:03:24.72
IV.SSFR.HHE. ML:1.4 0.00004765 0.66 AML other m 2023-03-04T02:03:24.73
IV.CING.HHN. ML:1.1 0.000036500000000000006 1.5 AML other m 2023-03-04T02:03:30.89
IV.MURB.HHN. ML:1.7 0.0001076 1.3 AML other m 2023-03-04T02:03:38.75
IV.MURB.HHE. ML:1.7 0.00011789999999999999 0.44 AML other m 2023-03-04T02:03:39.75
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