Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 31-03-2020 and time 00:58:08 (UTC) in region 3 km NE Monte Cavallo (MC)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Monte Cavallo (MC), on

  • 31-03-2020 00:58:08 (UTC)
  • 31-03-2020 02:58:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0110, 13.0250 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 3 145 145
Pieve Torina MC 4 1458 1603
Fiordimonte MC 6 202 1805
Pievebovigliana MC 8 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 9 1070 4656
Visso MC 10 1107 5763
Fiastra MC 11 559 6322
Ussita MC 12 444 6766
Acquacanina MC 13 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Sellano PG 16 1079 15664
Sefro MC 16 422 16086
Bolognola MC 17 142 16228
Castelsantangelo sul Nera MC 17 281 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
100 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 1.7 2020-03-31
00:58:08		 43.0107 13.0247 8 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 77975851
Reviewed
Rev100 		ML 1.7 2020-03-31
00:58:08		 43.0103 13.0218 7 2020-03-31
01:23:27		 Sala Sismica INGV-Roma 77718561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-31 00:58:08 ± 0.05
Latitude 43.0107 ± 0.0027
Longitude 13.0247 ± 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 77975851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 315
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
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 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.57467
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 77718561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-31 01:23:27

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 77975851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-02 23:20:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2020-03-31T00:58:21.93 0.6 undecidable manual S 94 35.4423 50 0.65 41
IV.TERO.HHZ. 2020-03-31T00:58:20.30 1.0 undecidable manual P 132 63.7917 50 -0.05 23
IV.RM33.EHZ. 2020-03-31T00:58:19.30 0.1 undecidable manual P 164 57.7977 50 -0.11 90
IT.FOPC.HGZ. 2020-03-31T00:58:19.12 0.3 undecidable manual S 260 26.4513 107 0.8 59
IV.CESX.HHZ. 2020-03-31T00:58:19.28 0.3 undecidable manual P 219 57.0984 50 -0.03 69
IV.SSFR.HHZ. 2020-03-31T00:58:18.32 0.1 positive manual P 338 51.1155 50 -0.07 92
IV.MNTT.EHZ. 2020-03-31T00:58:18.36 0.3 undecidable manual P 83 46.62 50 0.66 61
IV.MURB.HHZ. 2020-03-31T00:58:18.11 0.6 undecidable manual P 305 49.2174 50 0.01 47
IV.MMO1.EHZ. 2020-03-31T00:58:18.60 0.1 undecidable manual S 117 27.4503 106 -0.05 97
IV.ARVD.HHZ. 2020-03-31T00:58:18.64 0.6 undecidable manual P 353 54.501 50 -0.27 44
IV.LNSS.HHZ. 2020-03-31T00:58:17.21 0.1 positive manual P 178 45.2214 50 -0.28 89
IV.SMA1.EHZ. 2020-03-31T00:58:17.76 0.3 undecidable manual P 149 49.1175 50 -0.33 65
IV.MOMA.HHZ. 2020-03-31T00:58:17.18 0.3 undecidable manual P 238 43.5231 50 -0.03 70
IV.MF5.EHZ. 2020-03-31T00:58:16.12 0.1 undecidable manual P 94 35.4423 50 0.15 94
IV.PF6.EHZ. 2020-03-31T00:58:16.05 0.3 undecidable manual S 44 19.6692 112 -0.05 74
IV.FOSV.EHZ. 2020-03-31T00:58:16.10 0.6 negative manual P 326 38.0286 50 -0.28 45
IV.MC2.EHZ. 2020-03-31T00:58:16.17 0.3 undecidable manual S 129 17.2716 115 0.83 58
IV.NRCA.HHZ. 2020-03-31T00:58:16.60 0.1 undecidable manual S 160 20.9679 111 0.1 97
IV.ATCC.EHZ. 2020-03-31T00:58:16.02 0.3 undecidable manual P 302 36.6411 50 -0.14 70
IV.EL6.EHZ. 2020-03-31T00:58:15.78 0.6 negative manual P 10 35.9418 50 -0.26 45
IV.CSP1.EHZ. 2020-03-31T00:58:15.25 0.3 undecidable manual S 58 17.1717 115 -0.04 74
IV.SEF1.HNZ. 2020-03-31T00:58:15.39 0.6 undecidable manual S 338 16.3725 116 0.35 46
IV.MMO1.EHZ. 2020-03-31T00:58:14.38 0.3 negative manual P 117 27.4503 106 -0.07 72
IV.MML1.HNZ. 2020-03-31T00:58:14.00 0.6 undecidable manual S 339 12.1767 124 0.21 48
IV.SNTG.HHZ. 2020-03-31T00:58:14.32 0.6 undecidable manual P 346 27.9498 106 -0.22 47
IT.FOPC.HGZ. 2020-03-31T00:58:14.42 0.3 undecidable manual P 260 26.4513 107 0.16 71
IV.NRCA.HHZ. 2020-03-31T00:58:13.15 0.1 negative manual P 160 20.9679 111 -0.06 98
IV.CESI.HHZ. 2020-03-31T00:58:13.35 0.1 undecidable manual S 266 9.7791 130 0.24 96
IV.SEF1.HNZ. 2020-03-31T00:58:12.32 0.3 undecidable manual P 338 16.3725 116 -0.04 74
IV.MC2.EHZ. 2020-03-31T00:58:12.65 0.1 undecidable manual P 129 17.2716 115 0.12 97
IV.PF6.EHZ. 2020-03-31T00:58:12.96 0.3 undecidable manual P 44 19.6692 112 -0.02 74
IV.FDMO.HHZ. 2020-03-31T00:58:12.02 0.3 undecidable manual S 61 5.7942 144 -0.15 74
IV.CSP1.EHZ. 2020-03-31T00:58:12.67 0.1 positive manual P 58 17.1717 115 0.16 96
IV.FEMA.HNZ. 2020-03-31T00:58:11.86 0.1 undecidable manual S 159 5.7942 145 -0.29 96
IV.MML1.HNZ. 2020-03-31T00:58:11.60 0.3 undecidable manual P 339 12.1767 124 -0.04 75
IV.CESI.HHZ. 2020-03-31T00:58:11.53 0.1 positive manual P 266 9.7791 130 0.28 95
IT.MTCL.HGZ. 2020-03-31T00:58:10.86 0.3 undecidable manual S 228 2.7972 161 -0.81 62
IV.FEMA.HNZ. 2020-03-31T00:58:10.61 0.1 negative manual P 159 5.7942 145 -0.09 100
IV.FDMO.HHZ. 2020-03-31T00:58:10.54 0.1 undecidable manual P 61 5.7942 144 -0.17 98
IT.MTCL.HGZ. 2020-03-31T00:58:10.12 0.1 positive manual P 228 2.7972 161 -0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.9 0.00127 0.24 AML other m 2020-03-31T00:58:13.63
IV.CESI.HNN. ML:1.9 0.00117 0.22 AML other m 2020-03-31T00:58:13.63
IV.CESI.HHE. ML:1.8 0.00091 1.4 AML other m 2020-03-31T00:58:14.09
IV.CESI.HNE. ML:1.8 0.0009015 1.4 AML other m 2020-03-31T00:58:14.09
IV.CSP1.EHE. ML:1.6 0.0003205 0.48 AML other m 2020-03-31T00:58:15.89
IV.CSP1.EHN. ML:1.4 0.00022 0.64 AML other m 2020-03-31T00:58:16.83
IV.NRCA.HNN. ML:1.8 0.000518 1.16 AML other m 2020-03-31T00:58:17.02
IV.NRCA.HHN. ML:1.8 0.000479 0.12 AML other m 2020-03-31T00:58:17.02
IV.NRCA.HHE. ML:1.9 0.0005675 0.14 AML other m 2020-03-31T00:58:18.81
IV.NRCA.HNE. ML:1.8 0.0005425 1.26 AML other m 2020-03-31T00:58:19.82
IV.SNTG.HHN. ML:1.4 0.000152 0.98 AML other m 2020-03-31T00:58:19.75
IV.SNTG.HHE. ML:1.4 0.00012770000000000001 0.34 AML other m 2020-03-31T00:58:19.85
IV.EL6.EHN. ML:2.0 0.00042449999999999996 1.22 AML other m 2020-03-31T00:58:22.61
IV.EL6.EHE. ML:2.0 0.00041500000000000006 0.38 AML other m 2020-03-31T00:58:22.70
IV.ATCC.EHE. ML:1.5 0.000134 0.62 AML other m 2020-03-31T00:58:22.45
IV.ATCC.EHN. ML:1.5 0.00012940000000000003 0.52 AML other m 2020-03-31T00:58:22.78
IV.FOSV.EHE. ML:1.4 0.00008515000000000001 1.5 AML other m 2020-03-31T00:58:23.11
IV.FOSV.EHN. ML:1.4 0.0000887 0.24 AML other m 2020-03-31T00:58:24.02
IV.LNSS.HHE. ML:1.7 0.0001515 1 AML other m 2020-03-31T00:58:24.18
IV.LNSS.HHN. ML:1.7 0.0001575 0.5 AML other m 2020-03-31T00:58:25.21
IV.SMA1.EHE. ML:1.5 0.0000819 0.84 AML other m 2020-03-31T00:58:27.12
IV.MURB.HHN. ML:1.7 0.000144 1.22 AML other m 2020-03-31T00:58:27.92
IV.SSFR.HHE. ML:1.8 0.000152 0.22 AML other m 2020-03-31T00:58:27.69
IV.SSFR.HHN. ML:1.8 0.000182 0.44 AML other m 2020-03-31T00:58:27.69
IV.SMA1.EHN. ML:1.4 0.00007345 0.5 AML other m 2020-03-31T00:58:27.75
IV.MURB.HHE. ML:1.8 0.00015099999999999998 0.52 AML other m 2020-03-31T00:58:28.19
IV.TERO.HHN. ML:1.4 0.00004505 0.5 AML other m 2020-03-31T00:58:30.28
IV.TERO.HHE. ML:1.4 0.00004285 1.32 AML other m 2020-03-31T00:58:30.93
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