Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 21-03-2020 and time 06:15:54 (UTC) in region 5 km W Visso (MC)

A magnitude ML 1.7 earthquake occured in region: 5 km W Visso (MC), on

  • 21-03-2020 06:15:54 (UTC)
  • 21-03-2020 07:15:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9490, 13.0300 at 11 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
Visso MC 5 1107 1107
Monte Cavallo MC 6 145 1252
Preci PG 8 724 1976
Ussita MC 9 444 2420
Sellano PG 11 1079 3499
Pieve Torina MC 11 1458 4957
Fiordimonte MC 11 202 5159
Castelsantangelo sul Nera MC 12 281 5440
Pievebovigliana MC 14 866 6306
Fiastra MC 14 559 6865
Acquacanina MC 15 121 6986
Muccia MC 15 915 7901
Serravalle di Chienti MC 15 1070 8971
Bolognola MC 17 142 9113
Cerreto di Spoleto PG 17 1075 10188
Norcia PG 18 4957 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
100 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 1.7 2020-03-21
06:15:54		 42.9488 13.0297 11 2020-07-18
21:08:29		 Bollettino Sismico Italiano INGV 77696481
Reviewed
Rev100 		ML 1.7 2020-03-21
06:15:54		 42.9408 13.0313 11 2020-03-21
06:27:27		 Sala Sismica INGV-Roma 77429911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-21 06:15:54 ± 0.05
Latitude 42.9488 ± 0.0027
Longitude 13.0297 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77696481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 344
Semi-minor axis of confidence ellipse (meter) 284
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 23
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.01979
Epicentral distance of station farthest from the epicenter (degree) 0.73744
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 77429911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-21 06:27:27

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 69
Type of magnitude ML
Reference to an origin 77696481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-30 09:17:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-03-21T06:16:08.33 0.6 undecidable manual P 334 81.8514 90 0.16 43
IV.SAP2.EHZ. 2020-03-21T06:16:06.32 0.3 undecidable manual S 61 34.1436 91 0.61 62
IV.ATVO.HHZ. 2020-03-21T06:16:06.37 0.6 undecidable manual P 314 69.6747 90 0.09 45
IV.MF5.EHZ. 2020-03-21T06:16:06.64 0.3 undecidable manual S 83 35.1426 91 0.66 60
IV.GIGS.HHZ. 2020-03-21T06:16:06.32 0.6 undecidable manual P 141 70.5738 90 -0.11 45
IV.MTRA.EHZ. 2020-03-21T06:16:06.08 0.3 undecidable manual S 125 36.6411 91 -0.29 69
IV.SNTG.HHZ. 2020-03-21T06:16:05.98 0.3 undecidable manual S 348 34.743 91 0.12 72
IV.FRON.EHZ. 2020-03-21T06:16:05.69 0.6 undecidable manual P 339 67.6767 90 -0.3 42
IV.TERO.HHZ. 2020-03-21T06:16:04.35 0.3 undecidable manual P 128 59.0964 90 -0.31 66
IV.FIU1.HNZ. 2020-03-21T06:16:04.04 0.3 undecidable manual S 343 27.75 91 0.04 73
IV.SSFR.HHZ. 2020-03-21T06:16:04.28 0.6 undecidable manual P 340 57.6978 90 -0.16 44
IV.MURB.HHZ. 2020-03-21T06:16:04.09 0.3 undecidable manual P 311 53.7018 90 0.26 67
IV.GUMA.HHZ. 2020-03-21T06:16:04.20 0.3 undecidable manual S 63 27.8499 91 0.19 70
IV.OFFI.HHZ. 2020-03-21T06:16:04.53 0.6 undecidable manual P 91 53.3022 90 0.77 37
IV.MDAR.HNN. 2020-03-21T06:16:03.94 0.3 undecidable manual S 19 28.5492 91 -0.27 69
IV.MNTT.EHZ. 2020-03-21T06:16:03.38 0.3 undecidable manual P 75 47.619 90 0.5 63
IV.CAMP.HHZ. 2020-03-21T06:16:03.81 0.3 undecidable manual P 146 55.3002 90 -0.26 67
IV.RM33.EHZ. 2020-03-21T06:16:03.43 0.3 undecidable manual P 163 51.1155 90 0.01 70
IV.ATCC.EHZ. 2020-03-21T06:16:02.00 0.3 undecidable manual P 310 41.0256 91 0.12 71
IV.ARRO.EHZ. 2020-03-21T06:16:02.93 0.3 undecidable manual P 208 46.3203 90 0.25 67
IV.CESX.HHZ. 2020-03-21T06:16:02.75 0.3 undecidable manual P 224 52.2033 90 -0.85 55
IV.EL6.EHZ. 2020-03-21T06:16:02.07 0.3 undecidable manual P 8 42.624 91 -0.05 70
IV.PF6.EHN. 2020-03-21T06:16:02.84 0.3 undecidable manual S 32 24.8529 91 -0.38 68
IV.MMO1.EHZ. 2020-03-21T06:16:02.60 0.3 undecidable manual S 103 24.753 91 -0.6 66
IV.FOSV.HNE. 2020-03-21T06:16:02.30 0.3 undecidable manual P 331 44.1225 91 -0.05 70
IV.SAP2.EHZ. 2020-03-21T06:16:01.17 0.3 undecidable manual P 61 34.1436 91 0.36 67
IV.CSP1.EHZ. 2020-03-21T06:16:01.90 0.3 undecidable manual S 42 21.2676 92 -0.37 69
IV.T1299.HNN. 2020-03-21T06:16:01.88 0.3 undecidable manual P 149 40.5261 91 0.09 70
IV.MOMA.HHZ. 2020-03-21T06:16:01.93 0.3 undecidable manual P 247 40.626 91 0.11 70
IV.MF5.EHZ. 2020-03-21T06:16:01.10 0.3 undecidable manual P 83 35.1426 91 0.13 70
IV.SMA1.EHZ. 2020-03-21T06:16:01.98 0.3 undecidable manual P 145 43.2234 91 -0.23 69
IV.LNSS.HHZ. 2020-03-21T06:16:01.54 0.3 undecidable manual P 179 38.4282 91 0.07 71
IV.MML1.HNE. 2020-03-21T06:16:01.40 0.3 undecidable manual S 346 18.87 93 -0.22 70
IV.MDAR.HNN. 2020-03-21T06:16:00.38 0.3 undecidable manual P 19 28.5492 91 0.43 67
IV.MC2.EHZ. 2020-03-21T06:16:00.10 0.3 undecidable manual S 108 13.5753 104 -0.13 75
IV.SNTG.HHZ. 2020-03-21T06:16:00.85 0.3 undecidable manual P 348 34.743 91 -0.05 71
IV.CESI.HNZ. 2020-03-21T06:16:00.10 0.3 undecidable manual S 302 11.877 112 0.3 72
IV.FIU1.HNZ. 2020-03-21T06:16:00.12 0.6 undecidable manual P 343 27.75 91 0.29 46
IV.NRCA.HNZ. 2020-03-21T06:16:00.20 0.3 undecidable manual S 152 14.4744 100 -0.27 72
IV.MTRA.EHZ. 2020-03-21T06:16:00.92 0.3 undecidable manual P 125 36.6411 91 -0.28 69
IV.MMO1.EHZ. 2020-03-21T06:15:59.09 0.3 undecidable manual P 103 24.753 91 -0.28 70
IV.PF6.EHN. 2020-03-21T06:15:59.12 0.1 undecidable manual P 32 24.8529 91 -0.26 93
IV.GUMA.HHZ. 2020-03-21T06:15:59.87 0.1 undecidable manual P 63 27.8499 91 0.03 97
IV.FDMO.HHZ. 2020-03-21T06:15:59.20 0.3 undecidable manual S 26 10.7781 118 -0.33 71
IT.MTCL.HGZ. 2020-03-21T06:15:58.40 0.3 undecidable manual S 334 5.5944 145 -0.1 75
IV.CSP1.EHZ. 2020-03-21T06:15:58.67 0.3 undecidable manual P 42 21.2676 92 -0.16 72
IV.FEMA.HNZ. 2020-03-21T06:15:58.20 0.3 undecidable manual S 48 2.1978 166 0.08 75
IV.MML1.HNE. 2020-03-21T06:15:58.47 0.1 undecidable manual P 346 18.87 93 0.01 99
IV.NRCA.HNZ. 2020-03-21T06:15:57.75 0.1 undecidable manual P 152 14.4744 100 -0.04 100
IV.FDMO.HHZ. 2020-03-21T06:15:57.13 0.3 undecidable manual P 26 10.7781 118 -0.12 74
IV.CESI.HNZ. 2020-03-21T06:15:57.72 0.1 undecidable manual P 302 11.877 112 0.32 95
IV.MC2.EHZ. 2020-03-21T06:15:57.58 0.3 undecidable manual P 108 13.5753 104 -0.07 75
IV.FEMA.HNZ. 2020-03-21T06:15:56.66 0.1 undecidable manual P 48 2.1978 166 0.22 97
IT.MTCL.HGZ. 2020-03-21T06:15:56.80 0.1 undecidable manual P 334 5.5944 145 0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MNTT.EHN. ML:0.0 0.00023952325 0.2784 AML other m 2020-03-21T06:16:13.35
IV.MNTT.EHE. ML:0.0 0.00024807805 0.3392 AML other m 2020-03-21T06:16:15.95
IV.FEMA.HNE. ML:2.2 0.0024382264999999997 0.128 AML other m 2020-03-21T06:15:58.52
IV.FEMA.HNN. ML:2.0 0.001517198 0.1088 AML other m 2020-03-21T06:15:58.92
IV.FDMO.HHE. ML:1.8 0.0008260908499999999 0.1184 AML other m 2020-03-21T06:15:59.53
IV.FDMO.HHN. ML:2.0 0.0010236986 0.1792 AML other m 2020-03-21T06:15:59.42
IV.CESI.HNN. ML:2.4 0.003014404 0.1408 AML other m 2020-03-21T06:16:00.43
IV.CESI.HHN. ML:2.5 0.003069605 0.1408 AML other m 2020-03-21T06:16:00.43
IV.CESI.HNE. ML:2.1 0.0014194889499999999 0.16 AML other m 2020-03-21T06:16:00.54
IV.CESI.HHE. ML:2.2 0.0016029694999999998 0.16 AML other m 2020-03-21T06:16:00.54
IV.NRCA.HNN. ML:2.3 0.0017747575 0.1088 AML other m 2020-03-21T06:16:00.34
IV.NRCA.HNE. ML:1.9 0.0008321992499999999 0.1728 AML other m 2020-03-21T06:16:01.58
IV.NRCA.HHE. ML:2.0 0.0008961525000000001 0.1984 AML other m 2020-03-21T06:16:00.41
IV.NRCA.HHN. ML:2.3 0.001882266 0.0992 AML other m 2020-03-21T06:16:00.34
IV.CSP1.EHE. ML:1.9 0.00059162585 0.1216 AML other m 2020-03-21T06:16:02.42
IV.CSP1.EHN. ML:2.0 0.0006123455 0.2208 AML other m 2020-03-21T06:16:02.49
IV.GUMA.HHE. ML:2.0 0.0005310118999999999 0.2816 AML other m 2020-03-21T06:16:07.21
IV.GUMA.HNN. ML:2.1 0.00071205205 0.1504 AML other m 2020-03-21T06:16:04.44
IV.GUMA.HHN. ML:2.3 0.0009797249999999999 0.3616 AML other m 2020-03-21T06:16:04.44
IV.GUMA.HNE. ML:2.0 0.0005802866500000001 0.4192 AML other m 2020-03-21T06:16:06.12
IV.SNTG.HNE. ML:1.2 0.000058440454999999994 0.1216 AML other m 2020-03-21T06:16:06.46
IV.SNTG.HHN. ML:1.2 0.00006147628 0.08 AML other m 2020-03-21T06:16:06.85
IV.SNTG.HHE. ML:1.2 0.000059815875 0.16 AML other m 2020-03-21T06:16:08.65
IV.MTRA.EHE. ML:1.8 0.00021765 0.1024 AML other m 2020-03-21T06:16:06.50
IV.MTRA.EHN. ML:1.8 0.00026526125 0.2208 AML other m 2020-03-21T06:16:06.68
IV.MTRA.HNN. ML:1.9 0.00030836715000000003 0.2496 AML other m 2020-03-21T06:16:06.67
IV.MTRA.HNE. ML:1.8 0.00022016935 0.2112 AML other m 2020-03-21T06:16:06.89
IV.MF5.EHE. ML:2.0 0.00043852465000000004 0.24 AML other m 2020-03-21T06:16:07.22
IV.MF5.EHN. ML:1.8 0.00022406029499999998 0.24 AML other m 2020-03-21T06:16:07.12
IV.SAP2.EHN. ML:2.6 0.0016274134999999998 0.1408 AML other m 2020-03-21T06:16:07.03
IV.SAP2.EHE. ML:1.8 0.00029191080000000004 0.0992 AML other m 2020-03-21T06:16:07.36
IV.LNSS.HHE. ML:1.6 0.00014416709999999998 0.1376 AML other m 2020-03-21T06:16:08.02
IV.LNSS.HNN. ML:1.6 0.00015827240000000002 0.1728 AML other m 2020-03-21T06:16:09.21
IV.LNSS.HHN. ML:1.6 0.0001351396 0.24 AML other m 2020-03-21T06:16:07.83
IV.LNSS.HNE. ML:1.6 0.00013033876999999998 0.1376 AML other m 2020-03-21T06:16:08.02
IV.MOMA.HHN. ML:1.4 0.00007992929 0.16 AML other m 2020-03-21T06:16:09.56
IV.MOMA.HNN. ML:1.5 0.0001079864185 0.2976 AML other m 2020-03-21T06:16:09.18
IV.MOMA.HHE. ML:1.4 0.00009187975 0.1984 AML other m 2020-03-21T06:16:10.02
IV.MOMA.HNE. ML:1.5 0.00010082896999999999 0.2496 AML other m 2020-03-21T06:16:09.80
IV.SMA1.EHN. ML:1.3 0.000059774504999999995 0.1984 AML other m 2020-03-21T06:16:11.64
IV.SMA1.EHE. ML:1.2 0.000053568485 0.1408 AML other m 2020-03-21T06:16:10.73
IV.ATCC.EHE. ML:1.5 0.00010683905500000001 0.1024 AML other m 2020-03-21T06:16:08.61
IV.ATCC.EHN. ML:1.4 0.000089285065 0.1216 AML other m 2020-03-21T06:16:09.22
IV.EL6.EHE. ML:1.7 0.00016726563999999998 0.1376 AML other m 2020-03-21T06:16:09.58
IV.EL6.EHN. ML:1.8 0.00020849335 0.2208 AML other m 2020-03-21T06:16:09.24
IV.CESX.HHN. ML:1.4 0.000065042265 0.2976 AML other m 2020-03-21T06:16:17.47
IV.CESX.HHE. ML:1.4 0.000061488 0.2592 AML other m 2020-03-21T06:16:12.72
IV.RM33.EHN. ML:1.1 0.000037016655000000004 0.1216 AML other m 2020-03-21T06:16:12.44
IV.RM33.EHE. ML:1.3 0.000047990485 0.1792 AML other m 2020-03-21T06:16:12.81
IV.CAMP.HHN. ML:0.9 0.000019361699999999998 0.4608 AML other m 2020-03-21T06:16:17.29
IV.CAMP.HHE. ML:0.9 0.000022253627999999996 0.2016 AML other m 2020-03-21T06:16:12.71
IV.MURB.HHN. ML:1.6 0.000087785875 0.1984 AML other m 2020-03-21T06:16:14.46
IV.MURB.HHE. ML:1.8 0.00013609575000000002 0.2016 AML other m 2020-03-21T06:16:13.89
IV.MURB.HNE. ML:1.8 0.0001507382 0.2304 AML other m 2020-03-21T06:16:13.80
IV.MURB.HNN. ML:1.7 0.000128011185 0.272 AML other m 2020-03-21T06:16:18.09
IV.SSFR.HHE. ML:1.5 0.00006749734999999999 0.16 AML other m 2020-03-21T06:16:16.69
IV.SSFR.HHN. ML:1.5 0.00007573787 0.1792 AML other m 2020-03-21T06:16:16.70
IV.TERO.HHN. ML:1.4 0.00004879418 0.0768 AML other m 2020-03-21T06:16:13.90
IV.TERO.HHE. ML:1.4 0.000050039085 0.1216 AML other m 2020-03-21T06:16:14.06
IV.OFFI.HHN. ML:1.8 0.00013285825 0.5824 AML other m 2020-03-21T06:16:14.36
IV.OFFI.HHE. ML:1.5 0.000072217905 0.24 AML other m 2020-03-21T06:16:15.76
IV.FRON.EHN. ML:1.1 0.00002212583 0.1792 AML other m 2020-03-21T06:16:17.67
IV.FRON.EHE. ML:1.1 0.0000177092 0.1408 AML other m 2020-03-21T06:16:16.85
IV.GIGS.HHE. ML:0.5 0.0000072198205 0.08 AML other m 2020-03-21T06:16:17.81
IV.GIGS.HHN. ML:0.8 0.000009196391999999999 0.1216 AML other m 2020-03-21T06:16:16.80
IV.ATVO.HHN. ML:1.1 0.00001898315 0.6624 AML other m 2020-03-21T06:16:19.55
IV.ATVO.HHE. ML:1.0 0.000015163015999999999 0.24 AML other m 2020-03-21T06:16:18.30
IV.NARO.HHE. ML:0.9 0.000010523624000000001 0.2624 AML other m 2020-03-21T06:16:26.84
IV.NARO.HHN. ML:0.9 0.000009630401 0.1024 AML other m 2020-03-21T06:16:24.05
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