Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-03-2020 and time 00:33:23 (Italy) in region 4 km W Monte Cavallo (MC)

A magnitude ML 1.6 earthquake occured in region: 4 km W Monte Cavallo (MC), on

  • 17-03-2020 23:33:23 (UTC)
  • 18-03-2020 00:33:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9880, 12.9560 at 12 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 4 145 145
Serravalle di Chienti MC 9 1070 1215
Pieve Torina MC 10 1458 2673
Sellano PG 11 1079 3752
Fiordimonte MC 12 202 3954
Visso MC 13 1107 5061
Muccia MC 13 915 5976
Pievebovigliana MC 13 866 6842
Preci PG 14 724 7566
Ussita MC 16 444 8010
Fiastra MC 17 559 8569
Sefro MC 18 422 8991
Valtopina PG 18 1398 10389
Acquacanina MC 18 121 10510
Camerino MC 19 6974 17484
Cerreto di Spoleto PG 19 1075 18559
Castelsantangelo sul Nera MC 19 281 18840
Nocera Umbra PG 19 5839 24679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
95 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 1.6 2020-03-17
23:33:23		 42.9883 12.9563 12 2020-07-18
21:08:37		 Bollettino Sismico Italiano INGV 79414101
Reviewed
Rev100 		ML 1.6 2020-03-17
23:33:23		 42.9892 12.9553 13 2020-03-17
23:44:39		 Sala Sismica INGV-Roma 77333091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-17 23:33:23 ± 0.05
Latitude 42.9883 ± 0.0027
Longitude 12.9563 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79414101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 38
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
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 63
Number of defining phases 57
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) 0.62233
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 61
Type of magnitude ML
Reference to an origin 79414101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-21 15:51:12

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 61
Type of magnitude ML
Reference to an origin 77333091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-17 23:44:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-03-17T23:34:14.12 3.0 undecidable manual Sn 2.03 0
IV.VIVA.HHZ. 2020-03-17T23:34:01.85 3.0 undecidable manual S -0.4 0
IV.TERO.HHZ. 2020-03-17T23:33:44.30 3.0 undecidable manual S -0.31 0
IV.FRON.EHZ. 2020-03-17T23:33:42.60 0.1 undecidable manual S 342 61.5939 91 0.48 83
IV.ARVD.HHZ. 2020-03-17T23:33:41.50 0.1 undecidable manual S 359 56.5989 91 0.73 76
IV.RM33.EHZ. 2020-03-17T23:33:41.30 0.1 undecidable manual S 158 57.1983 91 0.37 84
IV.SSFR.HHZ. 2020-03-17T23:33:40.10 0.1 undecidable manual S 344 51.6039 91 0.64 80
IV.CESX.HHZ. 2020-03-17T23:33:39.90 0.1 undecidable manual S 216 51.8037 91 0.41 84
IV.MURB.HHZ. 2020-03-17T23:33:38.30 0.1 undecidable manual S 311 46.4202 92 0.25 89
IV.LNSS.HHZ. 2020-03-17T23:33:37.50 0.1 undecidable manual S 171 43.3233 92 0.27 88
IV.EL6.EHZ. 2020-03-17T23:33:36.10 0.1 undecidable manual S 17 39.627 92 -0.15 91
IV.MF5.EHZ. 2020-03-17T23:33:36.80 0.1 undecidable manual S 90 40.8258 92 0.22 90
IV.FOSV.EHZ. 2020-03-17T23:33:35.50 0.1 undecidable manual S 335 37.5291 92 -0.18 91
IV.MGAB.HHZ. 2020-03-17T23:33:35.28 0.1 undecidable manual P 263 69.0753 91 0.01 89
IV.MOMA.HHZ. 2020-03-17T23:33:35.60 0.1 undecidable manual S 237 37.4292 92 -0.07 95
IV.GUMA.HHZ. 2020-03-17T23:33:34.80 0.1 undecidable manual S 75 31.8459 93 0.63 82
IV.ATCC.EHZ. 2020-03-17T23:33:34.90 0.1 undecidable manual S 311 33.6441 93 0.23 91
IV.FRON.EHZ. 2020-03-17T23:33:33.94 0.1 positive manual P 342 61.5939 91 -0.19 88
IV.SNTG.HHZ. 2020-03-17T23:33:33.50 0.6 undecidable manual S 358 29.6481 93 -0.08 47
IV.MNTT.EHZ. 2020-03-17T23:33:33.36 0.1 positive manual P 81 52.503 91 0.64 79
IV.ARVD.HHZ. 2020-03-17T23:33:33.13 0.1 undecidable manual P 359 56.5989 91 -0.22 88
IV.OFFI.HHZ. 2020-03-17T23:33:33.49 0.1 undecidable manual P 95 59.496 91 -0.31 86
IV.MMO1.EHZ. 2020-03-17T23:33:33.90 0.1 undecidable manual S 108 31.6461 93 -0.22 92
IV.RM33.EHZ. 2020-03-17T23:33:33.43 0.1 undecidable manual P 158 57.1983 91 -0.01 91
IV.CESX.HHZ. 2020-03-17T23:33:32.24 0.1 undecidable manual P 216 51.8037 91 -0.37 87
IV.SSFR.HHZ. 2020-03-17T23:33:32.35 0.1 undecidable manual P 344 51.6039 91 -0.24 88
IV.MDAR.HNE. 2020-03-17T23:33:32.90 0.3 undecidable manual S 34 27.2505 94 -0.05 72
IV.PF6.EHE. 2020-03-17T23:33:32.30 0.1 undecidable manual S 49 25.4523 94 -0.17 93
IV.ATFO.HHZ. 2020-03-17T23:33:32.91 3.0 negative manual P 0.25 0
IV.CSP1.EHZ. 2020-03-17T23:33:31.90 0.1 undecidable manual S 60 23.1546 95 0.03 97
IV.MC2.EHZ. 2020-03-17T23:33:31.40 0.1 undecidable manual S 114 20.7681 97 0.19 94
IV.NRCA.HHZ. 2020-03-17T23:33:31.00 0.1 undecidable manual S 143 21.4674 96 -0.4 91
IV.MURB.HHZ. 2020-03-17T23:33:31.71 0.1 undecidable manual P 311 46.4202 92 -0.07 93
IV.FIU1.HNE. 2020-03-17T23:33:31.50 0.1 undecidable manual S 355 22.3554 96 -0.14 94
IV.MOMA.HHZ. 2020-03-17T23:33:30.26 0.1 positive manual P 237 37.4292 92 -0.15 93
IV.LNSS.HHZ. 2020-03-17T23:33:30.98 0.1 undecidable manual P 171 43.3233 92 -0.33 89
IV.SEF1.HNE. 2020-03-17T23:33:30.20 0.3 undecidable manual S 358 17.5713 101 -0.19 71
IV.MF5.EHZ. 2020-03-17T23:33:30.99 0.1 undecidable manual P 90 40.8258 92 0.07 93
IV.FOSV.EHZ. 2020-03-17T23:33:30.28 0.1 positive manual P 335 37.5291 92 -0.13 93
IV.EL6.EHZ. 2020-03-17T23:33:30.57 0.1 positive manual P 17 39.627 92 -0.17 92
IV.MMO1.EHZ. 2020-03-17T23:33:29.26 0.1 positive manual P 108 31.6461 93 -0.25 92
IV.ATCC.EHZ. 2020-03-17T23:33:29.72 0.1 negative manual P 311 33.6441 93 -0.1 94
IV.MML1.EHN. 2020-03-17T23:33:29.50 0.1 undecidable manual S 5 13.9749 111 0.05 99
IV.GUMA.HHZ. 2020-03-17T23:33:29.65 0.1 positive manual P 75 31.8459 93 0.11 94
IV.PIO1.HNZ. 2020-03-17T23:33:28.09 3.0 undecidable manual P 0.23 0
IV.FEMA.HNE. 2020-03-17T23:33:28.30 0.1 undecidable manual S 111 8.0808 135 0.16 98
IV.PF6.EHE. 2020-03-17T23:33:28.28 0.1 positive manual P 49 25.4523 94 -0.27 92
IV.SNTG.HHZ. 2020-03-17T23:33:28.93 0.1 undecidable manual P 358 29.6481 93 -0.27 91
IV.CSP1.EHZ. 2020-03-17T23:33:28.11 0.1 positive manual P 60 23.1546 95 -0.1 96
IV.FDMO.HHZ. 2020-03-17T23:33:28.90 0.1 undecidable manual S 63 11.877 118 -0.05 98
IV.MDAR.HNE. 2020-03-17T23:33:28.60 0.1 undecidable manual P 34 27.2505 94 -0.23 92
IV.NRCA.HHZ. 2020-03-17T23:33:27.66 0.1 positive manual P 143 21.4674 96 -0.28 93
IV.SEF1.HNE. 2020-03-17T23:33:27.36 0.1 undecidable manual P 358 17.5713 101 0 98
IV.CESI.HHZ. 2020-03-17T23:33:27.60 0.1 undecidable manual S 294 4.5954 153 0.01 100
IT.FOPC.HGZ. 2020-03-17T23:33:27.64 3.0 undecidable manual P -0.15 0
IT.MTCL.HGZ. 2020-03-17T23:33:27.50 0.3 undecidable manual S 80 3.4965 159 0.03 75
IV.MC2.EHZ. 2020-03-17T23:33:27.75 0.1 positive manual P 114 20.7681 97 -0.08 97
IV.FIU1.HNE. 2020-03-17T23:33:27.66 0.1 undecidable manual P 355 22.3554 96 -0.42 89
IV.MML1.EHN. 2020-03-17T23:33:26.81 0.1 positive manual P 5 13.9749 111 0 99
IV.FDMO.HHZ. 2020-03-17T23:33:26.52 0.1 positive manual P 63 11.877 118 0 99
IV.FEMA.HNE. 2020-03-17T23:33:26.22 0.1 negative manual P 111 8.0808 135 0.16 97
IV.CESI.HHZ. 2020-03-17T23:33:25.92 0.1 negative manual P 294 4.5954 153 0.18 97
IT.MTCL.HGZ. 2020-03-17T23:33:25.76 0.1 negative manual P 80 3.4965 159 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNE. ML:0.0 0.00045941624999999996 0.1664 AML other m 2020-03-17T23:33:27.86
IV.CESI.HNN. ML:0.0 0.0006066186 0.064 AML other m 2020-03-17T23:33:28.12
IV.CESI.HHN. ML:0.0 0.0006503225 0.0768 AML other m 2020-03-17T23:33:28.12
IV.CESI.HHE. ML:0.0 0.0003958023 0.0768 AML other m 2020-03-17T23:33:28.40
IV.FDMO.HHE. ML:0.0 0.0008408185 0.2048 AML other m 2020-03-17T23:33:29.02
IV.FDMO.HHN. ML:0.0 0.00093239925 0.1408 AML other m 2020-03-17T23:33:29.21
IV.NRCA.HHN. ML:0.0 0.00035566215 0.1408 AML other m 2020-03-17T23:33:31.22
IV.NRCA.HNN. ML:1.7 0.00034903485 0.1408 AML other m 2020-03-17T23:33:31.23
IV.NRCA.HHE. ML:0.0 0.000289845 0.1152 AML other m 2020-03-17T23:33:31.55
IV.NRCA.HNE. ML:0.0 0.00027902459999999994 0.128 AML other m 2020-03-17T23:33:31.56
IV.CSP1.EHN. ML:0.0 0.00020882575 0.128 AML other m 2020-03-17T23:33:32.09
IV.CSP1.EHE. ML:0.0 0.000259695 0.1408 AML other m 2020-03-17T23:33:32.93
IV.SNTG.HNE. ML:0.0 0.00017218695 1.4848 AML other m 2020-03-17T23:33:35.17
IV.SNTG.HHE. ML:0.0 0.000101020765 0.1024 AML other m 2020-03-17T23:33:34.12
IV.SNTG.HNN. ML:0.0 0.00017357914999999998 0.6528 AML other m 2020-03-17T23:33:43.30
IV.SNTG.HHN. ML:0.0 0.00010735915 0.1024 AML other m 2020-03-17T23:33:34.18
IV.GUMA.HNE. ML:0.0 0.0001986437 1.0112 AML other m 2020-03-17T23:33:47.66
IV.GUMA.HHE. ML:0.0 0.00022166930000000002 0.2048 AML other m 2020-03-17T23:33:34.00
IV.ATCC.EHE. ML:0.0 0.0002311961 0.1408 AML other m 2020-03-17T23:33:35.33
IV.ATCC.EHN. ML:0.0 0.00018048055 0.1408 AML other m 2020-03-17T23:33:35.64
IV.GUMA.HHN. ML:0.0 0.000132897875 0.1536 AML other m 2020-03-17T23:33:36.32
IV.MOMA.HHN. ML:0.0 0.0004128102 0.2176 AML other m 2020-03-17T23:33:36.64
IV.MOMA.HNN. ML:0.0 0.0003844033 0.2048 AML other m 2020-03-17T23:33:36.65
IV.EL6.EHE. ML:0.0 0.00019002405 0.128 AML other m 2020-03-17T23:33:36.69
IV.FOSV.EHE. ML:0.0 0.000043624910000000004 0.2816 AML other m 2020-03-17T23:33:36.71
IV.GUMA.HNN. ML:0.0 0.00032039134999999996 0.2688 AML other m 2020-03-17T23:33:36.95
IV.MOMA.HHE. ML:0.0 0.00020571604999999998 0.1408 AML other m 2020-03-17T23:33:37.08
IV.EL6.EHN. ML:0.0 0.0001954705 0.256 AML other m 2020-03-17T23:33:37.36
IV.MOMA.HNE. ML:0.0 0.00017196119999999998 0.1664 AML other m 2020-03-17T23:33:37.43
IV.LNSS.HHE. ML:0.0 0.0000777431 0.1152 AML other m 2020-03-17T23:33:37.73
IV.FOSV.EHN. ML:0.0 0.000049768694999999996 0.1536 AML other m 2020-03-17T23:33:37.77
IV.MF5.EHE. ML:1.4 0.000073985404 0.192 AML other m 2020-03-17T23:33:38.28
IV.LNSS.HHN. ML:0.0 0.00010360053 0.128 AML other m 2020-03-17T23:33:38.29
IV.MURB.HHN. ML:0.0 0.00015187774999999998 0.2176 AML other m 2020-03-17T23:33:39.64
IV.MURB.HNN. ML:0.0 0.00016089969 0.192 AML other m 2020-03-17T23:33:39.64
IV.CESX.HHN. ML:0.0 0.00010945874999999999 0.3328 AML other m 2020-03-17T23:33:40.10
IV.MURB.HNE. ML:0.0 0.0002208197 0.2304 AML other m 2020-03-17T23:33:40.66
IV.MURB.HHE. ML:0.0 0.00025186205 0.192 AML other m 2020-03-17T23:33:40.66
IV.SSFR.HNE. ML:0.0 0.00017257353999999999 0.704 AML other m 2020-03-17T23:33:45.66
IV.CESX.HHE. ML:0.0 0.00007694999499999999 0.256 AML other m 2020-03-17T23:33:41.40
IV.ARVD.HHN. ML:0.0 0.000037950985 0.1152 AML other m 2020-03-17T23:33:41.84
IV.ARVD.HHE. ML:0.0 0.00004502469 1.872 AML other m 2020-03-17T23:33:42.96
IV.MF5.EHN. ML:1.3 0.00006294308 1.6416 AML other m 2020-03-17T23:33:42.86
IV.SSFR.HHE. ML:0.0 0.00008471924999999999 0.2048 AML other m 2020-03-17T23:33:42.23
IV.SSFR.HHN. ML:0.0 0.000094248455 0.1536 AML other m 2020-03-17T23:33:43.42
IV.MNTT.EHN. ML:0.0 0.00017225735 1.808 AML other m 2020-03-17T23:33:43.91
IV.FRON.EHE. ML:1.1 0.000024024435 0.128 AML other m 2020-03-17T23:33:44.52
IV.MNTT.EHE. ML:0.0 0.00013485915 0.3968 AML other m 2020-03-17T23:33:44.82
IV.FRON.EHN. ML:0.0 0.000026793469999999998 0.1024 AML other m 2020-03-17T23:33:44.60
IV.MGAB.HNE. ML:0.0 0.0000397681 1.088 AML other m 2020-03-17T23:33:56.39
IV.MGAB.HHN. ML:0.0 0.000046435270000000004 0.2944 AML other m 2020-03-17T23:33:46.52
IV.RM33.EHN. ML:0.0 0.000025820257 0.1536 AML other m 2020-03-17T23:33:46.84
IV.RM33.EHE. ML:0.0 0.000025988485 0.3968 AML other m 2020-03-17T23:33:47.73
IV.MGAB.HNN. ML:0.0 0.000041939580000000006 0.2304 AML other m 2020-03-17T23:33:47.81
IV.MGAB.HHE. ML:0.0 0.00003787783 0.4352 AML other m 2020-03-17T23:33:47.84
IV.OFFI.HHN. ML:0.0 0.000079808375 0.6272 AML other m 2020-03-17T23:33:51.48
IV.OFFI.HHE. ML:0.0 0.00006945284 0.7808 AML other m 2020-03-17T23:33:53.58
IV.ARRO.EHN. ML:1.3 0.00005936138 0.1536 AML other m 2020-03-17T23:33:40.26
IV.ARRO.EHE. ML:1.4 0.00007555413499999999 1.7952 AML other m 2020-03-17T23:33:38.91
IV.ATFO.HHN. ML:1.2 0.000037437785 0.2176 AML other m 2020-03-17T23:33:41.56
IV.RM33.HNE. ML:1.8 0.00014261679999999998 1.1392 AML other m 2020-03-17T23:33:58.29
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