Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 30-11-2020 and time 02:43:26 (Italy) in region 2 km W Visso (MC)

A magnitude ML 1.6 earthquake occured in region: 2 km W Visso (MC), on

  • 30-11-2020 01:43:26 (UTC)
  • 30-11-2020 02:43:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9380, 13.0720 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
Visso MC 2 1107 1107
Ussita MC 6 444 1551
Preci PG 7 724 2275
Castelsantangelo sul Nera MC 8 281 2556
Monte Cavallo MC 9 145 2701
Fiordimonte MC 11 202 2903
Pieve Torina MC 12 1458 4361
Sellano PG 13 1079 5440
Fiastra MC 13 559 5999
Acquacanina MC 13 121 6120
Pievebovigliana MC 14 866 6986
Bolognola MC 14 142 7128
Norcia PG 16 4957 12085
Muccia MC 16 915 13000
Serravalle di Chienti MC 18 1070 14070
Cerreto di Spoleto PG 18 1075 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
59 Km E of Perugia (166134 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
100 Km W of Montesilvano (53738 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 2020-11-30
01:43:26		 42.9378 13.0722 11 2021-02-26
14:56:09		 Bollettino Sismico Italiano INGV 85156331
Reviewed
Rev100 		ML 1.7 2020-11-30
01:43:26		 42.9363 13.0708 10 2020-11-30
02:01:12		 Sala Sismica INGV-Roma 85098451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-30 01:43:26 ± 0.04
Latitude 42.9378 ± 0.0018
Longitude 13.0722 ± 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 85156331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 229
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 28
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.56747
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 39
Type of magnitude ML
Reference to an origin 85156331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 15:09:19

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 85098451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-30 02:01:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHE. 2020-11-30T01:43:42.40 0.3 undecidable manual S 12 49.5171 50 -0.12 69
IV.MOMA.HHZ. 2020-11-30T01:43:41.15 0.3 undecidable manual S 250 43.4232 50 0.26 68
IV.EL6.EHZ. 2020-11-30T01:43:40.89 0.3 undecidable manual S 3 43.5231 50 -0.01 71
IV.T1299.EHN. 2020-11-30T01:43:39.66 0.3 undecidable manual S 153 37.7289 50 0.28 68
IV.MTRA.HNE. 2020-11-30T01:43:37.87 0.3 undecidable manual S 127 33.1446 50 -0.28 69
IV.MURB.HHE. 2020-11-30T01:43:37.31 0.3 undecidable manual P 309 57.1983 50 0.3 65
IV.ARVD.HHZ. 2020-11-30T01:43:37.68 0.3 undecidable manual P 350 62.9925 50 -0.24 66
IT.FOPC.HGZ. 2020-11-30T01:43:37.57 0.3 undecidable manual S 277 30.1476 50 0.22 70
IV.CESX.HHE. 2020-11-30T01:43:36.17 0.3 undecidable manual P 227 53.8017 50 -0.33 65
IV.GUMA.HHZ. 2020-11-30T01:43:36.29 0.3 undecidable manual S 57 25.4523 50 0.21 71
IV.MDAR.HNZ. 2020-11-30T01:43:36.81 0.3 undecidable manual S 11 28.8489 50 -0.18 71
IV.TERO.HHZ. 2020-11-30T01:43:36.56 0.3 undecidable manual P 129 55.5999 50 -0.22 67
IV.PF6.EHZ. 2020-11-30T01:43:35.46 0.3 undecidable manual S 24 24.2535 50 -0.32 69
IV.MNTT.EHZ. 2020-11-30T01:43:35.80 0.3 undecidable manual P 72 44.622 50 0.71 59
IV.ARRO.EHE. 2020-11-30T01:43:35.33 0.3 undecidable manual P 212 47.0196 50 -0.12 69
IV.SEF1.HNZ. 2020-11-30T01:43:35.78 0.6 undecidable manual S 336 25.2525 50 -0.26 47
IV.CING.HHE. 2020-11-30T01:43:35.67 0.3 undecidable manual P 12 49.5171 50 -0.17 68
IT.GNU.HGE. 2020-11-30T01:43:35.02 0.1 undecidable manual P 250 43.4232 50 0.12 93
IV.MOMA.HHZ. 2020-11-30T01:43:34.60 0.3 undecidable manual P 250 43.4232 50 -0.3 67
IV.SMA1.EHZ. 2020-11-30T01:43:34.22 0.3 undecidable manual P 148 40.2264 50 -0.19 69
IV.MNTP.HNE. 2020-11-30T01:43:34.78 0.3 undecidable manual P 55 39.0276 50 0.56 63
IV.CSP1.EHZ. 2020-11-30T01:43:34.46 0.3 undecidable manual S 32 20.1687 118 -0.15 72
IV.MMO1.EHZ. 2020-11-30T01:43:34.64 0.3 undecidable manual S 102 21.1677 116 -0.27 70
IV.T1299.EHN. 2020-11-30T01:43:34.15 0.3 undecidable manual P 153 37.7289 50 0.12 70
IV.EL6.EHZ. 2020-11-30T01:43:34.76 0.3 undecidable manual P 3 43.5231 50 -0.15 69
IV.SNTG.HHZ. 2020-11-30T01:43:33.78 0.3 undecidable manual P 343 36.741 50 -0.09 71
IV.CESI.HHZ. 2020-11-30T01:43:33.19 0.3 undecidable manual S 299 15.4734 124 -0.03 75
IV.MF5.EHZ. 2020-11-30T01:43:33.46 0.3 undecidable manual P 80 31.9458 50 0.33 68
IV.MTRA.HNE. 2020-11-30T01:43:33.12 0.3 undecidable manual P 127 33.1446 50 -0.2 70
IV.LNSS.HHZ. 2020-11-30T01:43:33.72 0.3 undecidable manual P 184 37.2294 50 -0.23 69
IV.ASSB.HHZ. 2020-11-30T01:43:33.42 0.3 undecidable manual P 289 35.5422 50 -0.26 69
IV.SAP2.EHZ. 2020-11-30T01:43:33.35 0.6 undecidable manual P 56 31.8459 50 0.24 46
IV.NRCA.HHZ. 2020-11-30T01:43:32.08 0.3 undecidable manual S 164 12.0768 131 -0.19 72
IT.FOPC.HGZ. 2020-11-30T01:43:32.81 0.1 undecidable manual P 277 30.1476 50 -0.05 97
IV.GUMA.HHZ. 2020-11-30T01:43:32.32 0.1 undecidable manual P 57 25.4523 50 0.19 94
IV.MDAR.HNZ. 2020-11-30T01:43:32.67 0.3 undecidable manual P 11 28.8489 50 0.02 73
IV.SEF1.HNZ. 2020-11-30T01:43:32.46 0.1 undecidable manual P 336 25.2525 50 0.36 91
IV.MMO1.EHZ. 2020-11-30T01:43:31.34 0.1 positive manual P 102 21.1677 116 -0.1 97
IT.MTCL.HGZ. 2020-11-30T01:43:31.26 0.3 undecidable manual S 316 8.5803 141 -0.17 73
IV.PF6.EHZ. 2020-11-30T01:43:31.73 0.1 undecidable manual P 24 24.2535 50 -0.22 94
IV.MC2.EHZ. 2020-11-30T01:43:31.79 0.3 undecidable manual S 107 9.9789 137 0.05 75
IV.FDMO.HHZ. 2020-11-30T01:43:31.92 0.3 undecidable manual S 6 10.9779 134 -0.08 74
IV.CSP1.EHZ. 2020-11-30T01:43:31.25 0.3 positive manual P 32 20.1687 118 -0.03 74
IV.FEMA.HNZ. 2020-11-30T01:43:30.60 0.3 undecidable manual S 326 3.1968 163 0.06 76
IV.CESI.HHZ. 2020-11-30T01:43:30.54 0.1 positive manual P 299 15.4734 124 0.07 99
IV.FDMO.HHZ. 2020-11-30T01:43:29.86 0.1 undecidable manual P 6 10.9779 134 0.09 99
IV.FEMA.HNZ. 2020-11-30T01:43:29.15 0.1 undecidable manual P 326 3.1968 163 0.23 97
IV.NRCA.HHZ. 2020-11-30T01:43:29.95 0.1 positive manual P 164 12.0768 131 0.03 100
IT.MTCL.HGZ. 2020-11-30T01:43:29.50 0.1 undecidable manual P 316 8.5803 141 0.06 100
IV.MC2.EHZ. 2020-11-30T01:43:29.82 0.1 undecidable manual P 107 9.9789 137 0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.2 0.0025037180000000003 0.2 AML other m 2020-11-30T01:43:30.90
IV.FEMA.HNN. ML:1.9 0.0013774279 0.1104 AML other m 2020-11-30T01:43:30.93
IV.NRCA.HNN. ML:1.7 0.00062906845 0.16 AML other m 2020-11-30T01:43:32.13
IV.NRCA.HHN. ML:1.7 0.00063915745 0.14 AML other m 2020-11-30T01:43:32.13
IV.FDMO.HHE. ML:1.8 0.00074637255 0.16 AML other m 2020-11-30T01:43:32.10
IV.NRCA.HHE. ML:1.8 0.0006614356 0.12 AML other m 2020-11-30T01:43:32.23
IV.FDMO.HHN. ML:1.5 0.0004025885 0.12 AML other m 2020-11-30T01:43:32.43
IV.NRCA.HNE. ML:1.7 0.00061361825 0.12 AML other m 2020-11-30T01:43:33.11
IV.CESI.HHN. ML:2.1 0.001230296 0.22 AML other m 2020-11-30T01:43:33.47
IV.CESI.HNN. ML:2.1 0.0012583505 0.24 AML other m 2020-11-30T01:43:33.47
IV.CESI.HHE. ML:1.7 0.0004556362475 0.16 AML other m 2020-11-30T01:43:33.59
IV.CESI.HNE. ML:1.6 0.000380385635 0.1496 AML other m 2020-11-30T01:43:33.59
IV.CSP1.EHN. ML:2.1 0.0008582278 0.26 AML other m 2020-11-30T01:43:34.83
IV.CSP1.EHE. ML:1.9 0.0006022015000000001 1.9 AML other m 2020-11-30T01:43:35.00
IV.GUMA.HNN. ML:1.9 0.00042425365499999996 0.1304 AML other m 2020-11-30T01:43:36.76
IV.GUMA.HHN. ML:1.9 0.00050838225 0.16 AML other m 2020-11-30T01:43:36.77
IV.GUMA.HNE. ML:1.8 0.00034729545 0.14 AML other m 2020-11-30T01:43:37.01
IV.GUMA.HHE. ML:1.9 0.00042966755000000003 0.22 AML other m 2020-11-30T01:43:37.39
IV.ASSB.HHN. ML:1.7 0.00020675325 0.16 AML other m 2020-11-30T01:43:38.85
IV.ASSB.HHE. ML:1.6 0.00013958900000000002 0.1 AML other m 2020-11-30T01:43:38.84
IV.MF5.EHE. ML:1.8 0.00026244725000000005 0.2 AML other m 2020-11-30T01:43:39.30
IV.SAP2.EHN. ML:2.2 0.0007635122000000001 0.18 AML other m 2020-11-30T01:43:39.39
IV.MF5.EHN. ML:1.6 0.00017105535 0.2 AML other m 2020-11-30T01:43:39.32
IV.SAP2.EHE. ML:1.6 0.00018053564999999998 0.2 AML other m 2020-11-30T01:43:39.73
IV.LNSS.HHN. ML:1.6 0.00014039060000000002 0.14 AML other m 2020-11-30T01:43:40.59
IV.SMA1.EHN. ML:1.0 0.000033712543499999995 0.14 AML other m 2020-11-30T01:43:41.45
IV.SNTG.HHE. ML:1.0 0.00003597699595 0.12 AML other m 2020-11-30T01:43:41.54
IV.EL6.EHE. ML:1.5 0.00009059631800000001 0.26 AML other m 2020-11-30T01:43:41.47
IV.LNSS.HHE. ML:1.4 0.00009471011 0.12 AML other m 2020-11-30T01:43:41.86
IV.SNTG.HHN. ML:0.8 0.000023734075000000002 0.14 AML other m 2020-11-30T01:43:41.93
IV.EL6.EHN. ML:1.7 0.00014634261000000002 1.82 AML other m 2020-11-30T01:43:41.99
IV.SMA1.EHE. ML:1.1 0.000045282615 0.12 AML other m 2020-11-30T01:43:42.24
IV.MOMA.HHN. ML:1.4 0.00007959748 0.16 AML other m 2020-11-30T01:43:43.03
IV.MOMA.HHE. ML:1.4 0.00007145729000000001 0.18 AML other m 2020-11-30T01:43:43.57
IV.MOMA.HNE. ML:0.9 0.000024740655 0.08 AML other m 2020-11-30T01:43:43.58
IV.TERO.HHE. ML:1.1 0.000032239935 0.16 AML other m 2020-11-30T01:43:45.11
IV.TERO.HNN. ML:1.3 0.000050451209999999996 0.12 AML other m 2020-11-30T01:43:45.13
IV.TERO.HHN. ML:1.1 0.000030793425 0.12 AML other m 2020-11-30T01:43:46.16
IV.TERO.HNE. ML:1.3 0.000046914772000000004 0.1304 AML other m 2020-11-30T01:43:46.29
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