Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 30-11-2020 and time 11:16:52 (Italy) in region 3 km W Monte Cavallo (MC)

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

  • 30-11-2020 10:16:52 (UTC)
  • 30-11-2020 11:16:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9840, 12.9620 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 10 1070 1215
Pieve Torina MC 10 1458 2673
Sellano PG 11 1079 3752
Visso MC 12 1107 4859
Fiordimonte MC 12 202 5061
Muccia MC 13 915 5976
Preci PG 13 724 6700
Pievebovigliana MC 13 866 7566
Ussita MC 15 444 8010
Fiastra MC 17 559 8569
Sefro MC 18 422 8991
Acquacanina MC 18 121 9112
Castelsantangelo sul Nera MC 19 281 9393
Cerreto di Spoleto PG 19 1075 10468
Valtopina PG 19 1398 11866
Camerino MC 19 6974 18840
Nocera Umbra PG 20 5839 24679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
49 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
96 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 2020-11-30
10:16:52		 42.9843 12.9615 12 2021-02-26
14:56:09		 Bollettino Sismico Italiano INGV 85261121
Reviewed
Rev100 		ML 1.8 2020-11-30
10:16:52		 42.9823 12.9588 11 2020-11-30
10:24:11		 Sala Sismica INGV-Roma 85104871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-30 10:16:52 ± 0.03
Latitude 42.9843 ± 0.0009
Longitude 12.9615 ± 0.0012
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85261121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 149
Semi-minor axis of confidence ellipse (meter) 42
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 29
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51351
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 85104871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-30 10:24:11

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 85261121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-07 09:28:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2020-11-30T10:17:18.93 3.0 undecidable manual P 0.39 0
IV.CING.HNZ. 2020-11-30T10:17:07.89 0.3 undecidable manual S 23 47.3193 91 0.29 66
IV.LNSS.HHZ. 2020-11-30T10:17:06.68 0.3 undecidable manual S 171 42.8238 91 0.29 67
IV.EL6.EHZ. 2020-11-30T10:17:05.89 0.3 undecidable manual S 16 39.9267 91 0.27 68
IV.MOMA.HHZ. 2020-11-30T10:17:05.12 0.3 undecidable manual S 238 37.5291 91 0.12 70
IV.MMO1.EHZ. 2020-11-30T10:17:03.14 0.3 undecidable manual S 108 31.1466 91 -0.14 71
IV.GUMA.HHZ. 2020-11-30T10:17:03.68 0.6 undecidable manual S 74 31.5462 91 0.3 46
IV.ARVD.HHE. 2020-11-30T10:17:02.87 0.3 undecidable manual P 358 56.9985 91 0.16 67
IV.SNTG.HHZ. 2020-11-30T10:17:02.96 0.3 undecidable manual S 357 30.0477 91 -0.03 72
IV.MDAR.HNZ. 2020-11-30T10:17:02.16 0.6 undecidable manual S 32 27.3504 92 -0.12 48
IV.MURB.HHZ. 2020-11-30T10:17:01.12 1.0 undecidable manual P 311 47.0196 91 -0.05 23
IV.PF6.EHZ. 2020-11-30T10:17:01.56 0.3 undecidable manual S 48 25.4523 92 -0.19 71
IV.CESX.HHE. 2020-11-30T10:17:01.92 0.3 undecidable manual P 216 51.6039 91 0.03 70
IV.CSP1.EHZ. 2020-11-30T10:17:01.23 0.3 undecidable manual S 59 23.0547 93 0.11 72
IV.SMA1.EHN. 2020-11-30T10:17:01.66 0.6 undecidable manual P 142 49.617 91 0.08 46
IV.FIU1.HNZ. 2020-11-30T10:17:01.03 0.6 undecidable manual S 354 22.755 93 -0.02 49
IV.CING.HNZ. 2020-11-30T10:17:01.29 0.1 undecidable manual P 23 47.3193 91 0.06 93
IV.ASSB.HHZ. 2020-11-30T10:17:01.57 0.3 undecidable manual S 285 25.3524 92 -0.17 71
IV.SSFR.HHZ. 2020-11-30T10:17:01.89 0.6 undecidable manual P 344 52.2033 91 -0.08 46
IV.ARRO.EHZ. 2020-11-30T10:17:01.47 0.6 undecidable manual P 200 47.7189 91 0.19 45
IV.LNSS.HHZ. 2020-11-30T10:17:00.64 0.6 undecidable manual P 171 42.8238 91 0.12 46
IV.EL6.EHZ. 2020-11-30T10:17:00.09 0.1 positive manual P 16 39.9267 91 0.01 95
IV.NRCA.HHZ. 2020-11-30T10:17:00.22 0.3 undecidable manual S 143 20.868 93 -0.31 69
IV.MF5.EHZ. 2020-11-30T10:17:00.23 0.6 undecidable manual P 89 40.4262 91 0.07 47
IV.MTRA.EHE. 2020-11-30T10:17:00.48 0.1 undecidable manual P 125 43.4232 91 -0.14 92
IV.MC2.EHZ. 2020-11-30T10:17:00.37 0.3 undecidable manual S 114 20.1687 94 0.02 74
IT.FOPC.HGZ. 2020-11-30T10:17:00.68 0.6 undecidable manual S 266 21.0678 93 0.1 48
IV.GUMA.HHZ. 2020-11-30T10:16:59.04 0.1 undecidable manual P 74 31.5462 91 0.25 92
IT.GNU.HGE. 2020-11-30T10:16:59.57 0.1 undecidable manual P 238 37.5291 91 -0.15 93
IV.MOMA.HHZ. 2020-11-30T10:16:59.48 0.3 undecidable manual P 238 37.5291 91 -0.24 68
IV.SEF1.HNZ. 2020-11-30T10:16:59.54 0.6 undecidable manual S 356 18.0708 95 -0.25 47
IV.FOSV.EHZ. 2020-11-30T10:16:59.78 1.0 undecidable manual P 335 38.0286 91 -0.01 24
IV.MML1.EHZ. 2020-11-30T10:16:58.72 0.3 undecidable manual S 3 14.3745 103 -0.09 74
IV.FDMO.HHZ. 2020-11-30T10:16:58.01 0.1 undecidable manual S 60 11.7771 115 -0.14 98
IV.SNTG.HHZ. 2020-11-30T10:16:58.52 0.3 undecidable manual P 357 30.0477 91 -0.04 72
IV.MDAR.HNZ. 2020-11-30T10:16:58.03 0.3 undecidable manual P 32 27.3504 92 -0.12 71
IV.MMO1.EHZ. 2020-11-30T10:16:58.67 0.1 undecidable manual P 108 31.1466 91 -0.05 96
IV.CSP1.EHZ. 2020-11-30T10:16:57.44 0.1 undecidable manual P 59 23.0547 93 -0.04 97
IV.FIU1.HNZ. 2020-11-30T10:16:57.35 0.1 undecidable manual P 354 22.755 93 -0.09 97
IT.FOPC.HGZ. 2020-11-30T10:16:57.17 0.1 undecidable manual P 266 21.0678 93 0 99
IV.ASSB.HHZ. 2020-11-30T10:16:57.74 0.1 undecidable manual P 285 25.3524 92 -0.1 96
IV.NRCA.HHZ. 2020-11-30T10:16:57.09 0.1 undecidable manual P 143 20.868 93 -0.05 97
IV.MC2.EHZ. 2020-11-30T10:16:57.07 0.3 undecidable manual P 114 20.1687 94 0.03 74
IV.PF6.EHZ. 2020-11-30T10:16:57.68 0.1 undecidable manual P 48 25.4523 92 -0.17 95
IV.FEMA.HNZ. 2020-11-30T10:16:57.27 0.3 undecidable manual S 109 7.5813 135 0.02 75
IV.MML1.EHZ. 2020-11-30T10:16:56.21 0.1 undecidable manual P 3 14.3745 103 0.06 98
IT.MTCL.HGZ. 2020-11-30T10:16:56.42 0.1 undecidable manual S 71 3.2967 160 -0.2 98
IV.SEF1.HNZ. 2020-11-30T10:16:56.74 0.1 undecidable manual P 356 18.0708 95 0.03 98
IV.CESI.HHZ. 2020-11-30T10:16:56.88 0.3 undecidable manual S 296 5.1948 148 0.03 75
IV.CESI.HHZ. 2020-11-30T10:16:55.20 0.3 undecidable manual P 296 5.1948 148 0.19 73
IV.FEMA.HNZ. 2020-11-30T10:16:55.46 0.1 undecidable manual P 109 7.5813 135 0.22 96
IV.FDMO.HHZ. 2020-11-30T10:16:55.83 0.1 undecidable manual P 60 11.7771 115 0.06 99
IT.MTCL.HGZ. 2020-11-30T10:16:54.95 0.1 undecidable manual P 71 3.2967 160 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:2.0 0.001335 0.34 AML other m 2020-11-30T10:16:57.21
IV.CESI.HHN. ML:2.1 0.00176 0.18 AML other m 2020-11-30T10:16:57.08
IV.NRCA.HHN. ML:1.6 0.000299 0.7 AML other m 2020-11-30T10:17:00.55
IV.ASSB.HHE. ML:1.7 0.000293 0.32 AML other m 2020-11-30T10:17:01.93
IV.ASSB.HHN. ML:1.8 0.000366 1.82 AML other m 2020-11-30T10:17:02.05
IV.NRCA.HHE. ML:1.6 0.00030199999999999997 0.48 AML other m 2020-11-30T10:17:02.45
IV.SNTG.HHN. ML:1.6 0.00019 0.62 AML other m 2020-11-30T10:17:03.72
IV.SNTG.HHE. ML:1.5 0.0001365 0.12 AML other m 2020-11-30T10:17:03.70
IV.GUMA.HHE. ML:1.8 0.00025 0.18 AML other m 2020-11-30T10:17:04.29
IV.GUMA.HHN. ML:1.8 0.000254 0.8 AML other m 2020-11-30T10:17:06.90
IV.LNSS.HHE. ML:1.6 0.0001395 0.92 AML other m 2020-11-30T10:17:07.34
IV.LNSS.HHN. ML:1.6 0.0001285 0.14 AML other m 2020-11-30T10:17:07.99
IV.SSFR.HHE. ML:1.4 0.0000622 0.98 AML other m 2020-11-30T10:17:11.55
IV.SSFR.HHN. ML:1.5 0.0000709 1.24 AML other m 2020-11-30T10:17:11.24
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