Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 19-11-2020 and time 01:23:42 (UTC) in region 4 km W Visso (MC)

A magnitude ML 1.7 earthquake occured in region: 4 km W Visso (MC), on

  • 19-11-2020 01:23:42 (UTC)
  • 19-11-2020 02:23:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9280, 13.0460 at 7 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 4 1107 1107
Preci PG 5 724 1831
Ussita MC 8 444 2275
Monte Cavallo MC 8 145 2420
Castelsantangelo sul Nera MC 10 281 2701
Sellano PG 11 1079 3780
Fiordimonte MC 13 202 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 15 559 5999
Pievebovigliana MC 15 866 6865
Norcia PG 15 4957 11822
Acquacanina MC 16 121 11943
Cerreto di Spoleto PG 16 1075 13018
Bolognola MC 17 142 13160
Muccia MC 17 915 14075
Serravalle di Chienti MC 18 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
96 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 2020-11-19
01:23:42		 42.9275 13.0458 7 2021-02-26
14:56:17		 Bollettino Sismico Italiano INGV 86860621
Reviewed
Rev100 		ML 1.8 2020-11-19
01:23:42		 42.9267 13.0427 6 2020-11-19
01:31:44		 Sala Sismica INGV-Roma 84836891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-19 01:23:42 ± 0.04
Latitude 42.9275 ± 0.0018
Longitude 13.0458 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86860621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 215
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
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 69
Number of defining phases 69
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) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.76262
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 74
Type of magnitude ML
Reference to an origin 86860621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-05 17:39:05

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 84836891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-19 01:31:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2020-11-19T01:24:08.63 0.6 undecidable manual S 344 81.1521 50 0.98 32
IV.FRON.EHZ. 2020-11-19T01:24:05.29 0.6 undecidable manual S 339 70.374 50 0.52 40
IV.ARVD.HHZ. 2020-11-19T01:24:03.67 0.3 undecidable manual S 352 63.8916 50 0.65 58
IV.TERO.HHZ. 2020-11-19T01:24:00.70 0.3 undecidable manual S 126 56.5989 50 -0.38 64
IV.CAMP.HHZ. 2020-11-19T01:23:59.59 0.3 undecidable manual S 146 52.6029 50 -0.41 64
IV.CESX.HHZ. 2020-11-19T01:23:59.84 0.3 undecidable manual S 227 51.5151 50 0.13 68
IV.ARRO.EHZ. 2020-11-19T01:23:58.15 0.3 undecidable manual S 211 44.9217 50 0.2 68
IV.FOSV.EHZ. 2020-11-19T01:23:58.31 0.3 undecidable manual S 331 46.8198 50 -0.16 68
IV.EL6.EHZ. 2020-11-19T01:23:57.54 0.3 undecidable manual S 6 44.8218 50 -0.39 65
IV.ATCC.EHZ. 2020-11-19T01:23:57.92 0.3 undecidable manual S 311 43.623 50 0.31 67
IV.MPAG.EHZ. 2020-11-19T01:23:57.43 0.3 undecidable manual P 344 81.1521 50 0.35 62
IV.MOMA.HHZ. 2020-11-19T01:23:57.68 0.3 undecidable manual S 251 41.0256 50 0.75 58
IV.NARO.HHZ. 2020-11-19T01:23:57.53 0.6 undecidable manual P 334 84.6486 50 -0.08 43
IV.SMA1.EHZ. 2020-11-19T01:23:56.69 0.3 undecidable manual S 144 40.5261 50 -0.09 70
IV.ATVO.HHZ. 2020-11-19T01:23:55.64 0.6 undecidable manual P 314 72.2721 50 -0.06 44
IV.SAP2.EHZ. 2020-11-19T01:23:55.60 0.3 undecidable manual S 57 34.2435 102 0.81 57
IV.T1299.HNN. 2020-11-19T01:23:55.91 0.3 undecidable manual S 149 37.8288 101 -0.09 71
IV.LNSS.HHZ. 2020-11-19T01:23:55.28 0.3 undecidable manual S 181 36.0417 101 -0.11 70
IV.MF5.EHZ. 2020-11-19T01:23:55.59 0.3 undecidable manual S 79 34.2435 102 0.8 58
IV.SNTG.HHZ. 2020-11-19T01:23:55.81 0.3 undecidable manual S 347 37.3293 101 -0.03 72
IV.FRON.EHZ. 2020-11-19T01:23:55.19 0.6 undecidable manual P 339 70.374 50 -0.23 43
IV.MTRA.EHZ. 2020-11-19T01:23:54.62 0.3 undecidable manual S 123 34.2435 102 -0.17 70
IV.ASSB.HHZ. 2020-11-19T01:23:54.51 0.3 undecidable manual S 292 33.9438 102 -0.17 70
IV.ARVD.HHZ. 2020-11-19T01:23:54.10 0.1 negative manual P 352 63.8916 50 -0.31 86
IV.GUMA.HHZ. 2020-11-19T01:23:53.12 0.3 undecidable manual S 57 27.8499 104 0.49 66
IV.GAVE.EHZ. 2020-11-19T01:23:53.41 0.3 undecidable manual S 205 28.8489 104 0.44 67
IV.MURB.HHZ. 2020-11-19T01:23:53.11 0.6 undecidable manual P 312 56.2992 50 -0.13 45
IV.OFFI.HHZ. 2020-11-19T01:23:53.13 0.3 undecidable manual P 89 52.0035 50 0.56 62
IV.MDAR.HNN. 2020-11-19T01:23:53.40 0.3 undecidable manual S 15 30.4473 103 -0.1 71
IV.TERO.HHZ. 2020-11-19T01:23:52.82 0.3 undecidable manual P 126 56.5989 50 -0.47 63
IV.CAMP.HHZ. 2020-11-19T01:23:52.23 0.3 undecidable manual P 146 52.6029 50 -0.44 64
IV.CESX.HHZ. 2020-11-19T01:23:52.43 0.3 undecidable manual P 227 51.5151 50 -0.07 69
IV.MNTT.EHZ. 2020-11-19T01:23:52.37 0.3 undecidable manual P 71 47.0196 50 0.56 62
IV.MOMA.HHZ. 2020-11-19T01:23:51.04 0.3 undecidable manual P 251 41.0256 50 0.15 69
IV.PF6.EHN. 2020-11-19T01:23:51.92 0.3 undecidable manual S 27 26.2515 105 -0.17 71
IV.ARRO.EHZ. 2020-11-19T01:23:51.41 0.3 undecidable manual P 211 44.9217 50 -0.07 70
IV.FOSV.EHZ. 2020-11-19T01:23:51.41 0.3 undecidable manual P 331 46.8198 50 -0.37 65
IV.ATCC.EHZ. 2020-11-19T01:23:51.06 0.1 undecidable manual P 311 43.623 50 -0.22 91
IV.SMA1.EHZ. 2020-11-19T01:23:50.35 0.3 undecidable manual P 144 40.5261 50 -0.46 65
IV.CSP1.EHZ. 2020-11-19T01:23:50.75 0.3 undecidable manual S 35 22.3554 108 -0.04 73
IV.EL6.EHZ. 2020-11-19T01:23:50.99 0.1 positive manual P 6 44.8218 50 -0.48 85
IV.MML1.HNE. 2020-11-19T01:23:50.64 0.3 undecidable manual S 344 21.4674 108 0.13 72
IV.MMO1.EHZ. 2020-11-19T01:23:50.93 0.3 undecidable manual S 98 23.0547 107 -0.09 72
IV.T1299.HNN. 2020-11-19T01:23:50.17 0.1 undecidable manual P 149 37.8288 101 -0.18 92
IV.MF5.EHZ. 2020-11-19T01:23:49.72 0.1 undecidable manual P 79 34.2435 102 0.06 95
IV.SNTG.HHZ. 2020-11-19T01:23:49.79 0.3 undecidable manual P 347 37.3293 101 -0.47 65
IV.MTRA.EHZ. 2020-11-19T01:23:49.45 0.3 undecidable manual P 123 34.2435 102 -0.2 69
IV.SAP2.EHZ. 2020-11-19T01:23:49.82 0.3 undecidable manual P 57 34.2435 102 0.16 70
IV.ASSB.HHZ. 2020-11-19T01:23:49.40 0.1 positive manual P 292 33.9438 102 -0.19 93
IV.LNSS.HHZ. 2020-11-19T01:23:49.79 0.1 positive manual P 181 36.0417 101 -0.21 92
IV.CESI.HHZ. 2020-11-19T01:23:48.72 0.3 undecidable manual S 307 14.3745 117 0.51 67
IV.MDAR.HNN. 2020-11-19T01:23:48.70 0.3 undecidable manual P 15 30.4473 103 -0.21 70
IV.GUMA.HHZ. 2020-11-19T01:23:48.52 0.1 positive manual P 57 27.8499 104 0.11 95
IV.GAVE.EHZ. 2020-11-19T01:23:48.80 0.1 positive manual P 205 28.8489 104 0.19 94
IV.NRCA.HNZ. 2020-11-19T01:23:47.84 0.3 undecidable manual S 152 11.7771 121 0.4 69
IV.MML1.HNE. 2020-11-19T01:23:47.08 0.1 positive manual P 344 21.4674 108 -0.11 96
IV.MMO1.EHZ. 2020-11-19T01:23:47.38 0.1 positive manual P 98 23.0547 107 -0.1 96
IV.FDMO.HHZ. 2020-11-19T01:23:47.53 0.3 undecidable manual S 15 12.5763 120 -0.13 73
IV.PF6.EHN. 2020-11-19T01:23:47.71 0.3 undecidable manual P 27 26.2515 105 -0.39 68
IV.MC2.EHZ. 2020-11-19T01:23:47.87 0.6 undecidable manual S 99 11.7771 121 0.44 46
IV.CSP1.EHZ. 2020-11-19T01:23:47.27 0.1 positive manual P 35 22.3554 108 -0.08 97
IT.MTCL.HGZ. 2020-11-19T01:23:46.24 0.3 undecidable manual S 333 8.2806 131 -0.21 72
IV.CESI.HHZ. 2020-11-19T01:23:46.17 0.1 positive manual P 307 14.3745 117 0.31 94
IV.MC2.EHZ. 2020-11-19T01:23:45.62 0.1 positive manual P 99 11.7771 121 0.21 96
IV.NRCA.HNZ. 2020-11-19T01:23:45.67 0.1 negative manual P 152 11.7771 121 0.25 95
IV.FDMO.HHZ. 2020-11-19T01:23:45.51 0.1 positive manual P 15 12.5763 120 -0.03 99
IV.FEMA.HNZ. 2020-11-19T01:23:44.78 0.3 undecidable manual S 5 3.8961 152 -0.69 64
IV.FEMA.HNZ. 2020-11-19T01:23:44.12 0.1 undecidable manual P 5 3.8961 152 -0.16 98
IT.MTCL.HGZ. 2020-11-19T01:23:44.88 0.1 undecidable manual P 333 8.2806 131 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.8 0.00083117825 0.2 AML other m 2020-11-19T01:23:47.69
IV.FDMO.HHE. ML:1.8 0.0007289999999999999 0.26 AML other m 2020-11-19T01:23:47.75
IV.NRCA.HHN. ML:2.2 0.0022350000000000004 0.1 AML other m 2020-11-19T01:23:48.35
IV.NRCA.HNN. ML:2.2 0.0021176435 0.1008 AML other m 2020-11-19T01:23:48.36
IV.NRCA.HNE. ML:2.1 0.001515 0.14 AML other m 2020-11-19T01:23:48.54
IV.NRCA.HHE. ML:2.1 0.00163 0.14 AML other m 2020-11-19T01:23:48.54
IV.CESI.HNE. ML:1.3 0.00021080919999999997 0.1496 AML other m 2020-11-19T01:23:50.12
IV.CESI.HHE. ML:1.3 0.0002014534 0.1 AML other m 2020-11-19T01:23:49.62
IV.CESI.HHN. ML:1.8 0.0006568011000000001 0.32 AML other m 2020-11-19T01:23:50.75
IV.CESI.HNN. ML:1.7 0.00062774385 0.26 AML other m 2020-11-19T01:23:50.46
IV.CSP1.EHN. ML:2.1 0.0009521191 0.14 AML other m 2020-11-19T01:23:51.36
IV.CSP1.EHE. ML:2.0 0.00071581775 0.14 AML other m 2020-11-19T01:23:51.82
IV.GUMA.HNN. ML:2.6 0.0023826385 0.1696 AML other m 2020-11-19T01:23:53.39
IV.GUMA.HHN. ML:2.8 0.0033200000000000005 0.18 AML other m 2020-11-19T01:23:53.49
IV.GUMA.HNE. ML:2.5 0.0016931695 0.16 AML other m 2020-11-19T01:23:53.48
IV.GAVE.EHE. ML:2.0 0.0005565 0.22 AML other m 2020-11-19T01:23:53.76
IV.GUMA.HHE. ML:2.5 0.00155 0.24 AML other m 2020-11-19T01:23:54.55
IV.GAVE.EHN. ML:1.9 0.0004075727 0.14 AML other m 2020-11-19T01:23:54.76
IV.MTRA.EHE. ML:1.8 0.0002535 0.24 AML other m 2020-11-19T01:23:55.29
IV.MTRA.HNE. ML:1.7 0.00023187560000000003 0.1896 AML other m 2020-11-19T01:23:55.29
IV.LNSS.HHN. ML:1.8 0.00024078444999999998 0.22 AML other m 2020-11-19T01:23:55.55
IV.MF5.EHE. ML:1.8 0.00029412845 0.2 AML other m 2020-11-19T01:23:56.23
IV.MF5.EHN. ML:1.6 0.00018400614999999998 0.18 AML other m 2020-11-19T01:23:55.83
IV.LNSS.HHE. ML:1.8 0.000268 0.14 AML other m 2020-11-19T01:23:55.95
IV.ASSB.HHN. ML:1.7 0.000232 0.26 AML other m 2020-11-19T01:23:56.15
IV.MTRA.HNN. ML:1.8 0.0002939538 0.2496 AML other m 2020-11-19T01:23:56.37
IV.MTRA.EHN. ML:1.8 0.00027376260000000003 0.22 AML other m 2020-11-19T01:23:56.37
IV.SAP2.EHE. ML:1.9 0.00032 0.22 AML other m 2020-11-19T01:23:57.09
IV.ASSB.HHE. ML:1.7 0.00019255234999999998 0.28 AML other m 2020-11-19T01:23:58.36
IV.SAP2.EHN. ML:2.5 0.0013791965 0.28 AML other m 2020-11-19T01:23:58.95
IV.ARRO.EHE. ML:1.6 0.0001295 0.2 AML other m 2020-11-19T01:23:59.14
IV.SNTG.HHE. ML:1.3 0.00007974890500000001 0.12 AML other m 2020-11-19T01:23:56.28
IV.SNTG.HHN. ML:1.5 0.0001175 1.58 AML other m 2020-11-19T01:23:59.19
IV.SMA1.EHE. ML:1.4 0.000086035265 0.18 AML other m 2020-11-19T01:23:58.01
IV.MOMA.HHE. ML:1.5 0.00011665922000000001 0.3 AML other m 2020-11-19T01:23:59.26
IV.EL6.EHN. ML:2.0 0.00029049999999999996 0.86 AML other m 2020-11-19T01:23:59.71
IV.MOMA.HHN. ML:1.6 0.00013450000000000002 0.18 AML other m 2020-11-19T01:23:59.41
IV.ARRO.EHN. ML:1.5 0.00009501506 0.18 AML other m 2020-11-19T01:23:59.56
IV.SMA1.EHN. ML:1.5 0.00011649999999999999 0.28 AML other m 2020-11-19T01:23:59.73
IV.ATCC.EHN. ML:1.8 0.00019600000000000002 0.44 AML other m 2020-11-19T01:24:00.89
IV.FOSV.EHE. ML:1.3 0.00005931923 0.16 AML other m 2020-11-19T01:23:58.47
IV.TERO.HHN. ML:1.6 0.0000911 0.16 AML other m 2020-11-19T01:24:01.29
IV.EL6.EHE. ML:1.9 0.000236 0.36 AML other m 2020-11-19T01:24:01.33
IV.TERO.HHE. ML:1.6 0.000078298035 0.14 AML other m 2020-11-19T01:24:01.68
IV.CESX.HHE. ML:1.7 0.000126 0.4 AML other m 2020-11-19T01:24:01.61
IV.CESX.HHN. ML:1.7 0.000124948955 0.18 AML other m 2020-11-19T01:24:01.41
IV.ATCC.EHE. ML:1.7 0.0001425668 0.5 AML other m 2020-11-19T01:24:02.01
IV.FOSV.EHN. ML:1.6 0.00010970000000000001 0.26 AML other m 2020-11-19T01:24:02.33
IV.MURB.HHN. ML:1.8 0.00013965719999999997 0.36 AML other m 2020-11-19T01:24:04.23
IV.MURB.HHE. ML:2.0 0.0002173255 0.26 AML other m 2020-11-19T01:24:05.22
IV.ARVD.HHE. ML:1.3 0.00003570727 0.1 AML other m 2020-11-19T01:24:05.51
IV.MNTT.EHE. ML:0.0 0.00027543475 0.26 AML other m 2020-11-19T01:24:06.05
IV.ARVD.HHN. ML:1.1 0.000026772499999999998 0.16 AML other m 2020-11-19T01:24:05.72
IV.MNTT.EHN. ML:0.0 0.0002680987 0.34 AML other m 2020-11-19T01:24:06.92
IV.FRON.EHE. ML:1.2 0.0000247622265 0.1 AML other m 2020-11-19T01:24:07.67
IV.FRON.EHN. ML:1.5 0.000053360400000000005 0.14 AML other m 2020-11-19T01:24:08.57
IV.ATVO.HHE. ML:1.4 0.00004045 0.42 AML other m 2020-11-19T01:24:09.38
IV.ATVO.HHN. ML:0.0 0.000022263385 0.38 AML other m 2020-11-19T01:24:10.21
IV.FEMA.HNE. ML:0.0 0.01437937 0.1896 AML other m 2020-11-19T01:23:44.99
IV.FEMA.HNN. ML:0.0 0.009908232 0.2496 AML other m 2020-11-19T01:23:45.03
IV.GAVE.HNE. ML:2.0 0.0005584432499999999 0.2104 AML other m 2020-11-19T01:23:53.75
IV.GAVE.HNN. ML:1.4 0.00012963652 0.1496 AML other m 2020-11-19T01:23:54.75
IV.LNSS.HNE. ML:1.9 0.0002943842 0.1504 AML other m 2020-11-19T01:23:55.89
IV.LNSS.HNN. ML:1.8 0.00023479820000000002 0.2104 AML other m 2020-11-19T01:23:55.44
IV.SNTG.HNE. ML:1.5 0.00012800835 0.28 AML other m 2020-11-19T01:23:56.71
IV.SNTG.HNN. ML:1.4 0.000085170725 0.1 AML other m 2020-11-19T01:23:57.64
IV.MOMA.HNE. ML:1.6 0.00013873015 0.18 AML other m 2020-11-19T01:23:59.35
IV.MOMA.HNN. ML:1.6 0.00013217652999999999 0.1696 AML other m 2020-11-19T01:23:59.32
IV.CAMP.HHE. ML:1.3 0.00004491145000000001 0.16 AML other m 2020-11-19T01:24:00.12
IV.CAMP.HHN. ML:1.2 0.000033027935 0.3 AML other m 2020-11-19T01:24:01.16
IV.MURB.HNN. ML:1.8 0.000139430805 0.26 AML other m 2020-11-19T01:24:08.24
IV.MURB.HNE. ML:2.0 0.00024355785000000003 0.2696 AML other m 2020-11-19T01:24:05.09
IV.OFFI.HHN. ML:1.7 0.00011638129999999999 0.28 AML other m 2020-11-19T01:24:07.92
IV.OFFI.HHE. ML:1.7 0.00011791335 0.28 AML other m 2020-11-19T01:24:06.66
IV.MPAG.EHE. ML:1.2 0.000022328765 0.3 AML other m 2020-11-19T01:24:11.20
IV.MPAG.EHN. ML:1.4 0.00003266368 0.28 AML other m 2020-11-19T01:24:11.62
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