Earthquake with magnitude of ML 1.2 on date 30-11-2020 and time 11:31:29 (Italy) in region 4 km S Monte Cavallo (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km S Monte Cavallo (MC), on

  • 30-11-2020 10:31:29 (UTC)
  • 30-11-2020 11:31:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.957, 12.994 at 13 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.

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
Visso MC 8 1107 1252
Sellano PG 9 1079 2331
Preci PG 9 724 3055
Pieve Torina MC 11 1458 4513
Ussita MC 12 444 4957
Fiordimonte MC 12 202 5159
Serravalle di Chienti MC 13 1070 6229
Pievebovigliana MC 14 866 7095
Muccia MC 15 915 8010
Castelsantangelo sul Nera MC 15 281 8291
Fiastra MC 16 559 8850
Cerreto di Spoleto PG 16 1075 9925
Acquacanina MC 17 121 10046
Bolognola MC 20 142 10188
Norcia PG 20 4957 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
99 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 1.2 2020-11-30
10:31:29
42.9568 12.9935 13 2021-02-26
14:56:09
Bollettino Sismico Italiano INGV 85261671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-30 10:31:29 ± 0.04
Latitude 42.9568 ± 0.0018
Longitude 12.9935 ± 0.0025
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85261671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 248
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 250
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.45865
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85261671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-12-07 10:16:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VIVA.HHN. 2020-11-30T10:32:05.24 3.0 undecidable manual S -3.39 0
IV.EL6.EHZ. 2020-11-30T10:31:43.74 0.3 undecidable manual S 12 0.3804 93 0.26 68
IV.LNSS.HNZ. 2020-11-30T10:31:42.81 0.3 undecidable manual S 174 0.3552 94 0.07 71
IV.MOMA.HNZ. 2020-11-30T10:31:42.89 0.3 undecidable manual S 244 0.3453 94 0.44 66
IV.SNTG.HHZ. 2020-11-30T10:31:41.22 0.3 undecidable manual S 353 0.3004 95 0.1 71
IV.MMO1.HNZ. 2020-11-30T10:31:39.54 0.3 undecidable manual S 103 0.2509 97 -0.1 72
IV.ASSB.HHZ. 2020-11-30T10:31:39.70 0.3 undecidable manual S 289 0.259 96 -0.2 70
IV.PF6.EHZ. 2020-11-30T10:31:39.05 0.3 undecidable manual S 39 0.2329 98 -0.07 73
IV.CSP1.EHZ. 2020-11-30T10:31:38.39 0.3 undecidable manual S 49 0.205 100 0.08 73
IV.CESX.HHE. 2020-11-30T10:31:38.98 0.1 undecidable manual P 221 0.4587 93 -0.02 94
IV.EL6.EHZ. 2020-11-30T10:31:37.54 0.6 undecidable manual P 12 0.3804 93 -0.13 47
IV.MOMA.HNZ. 2020-11-30T10:31:37.24 0.6 undecidable manual P 244 0.3453 94 0.16 46
IV.LNSS.HNZ. 2020-11-30T10:31:37.07 0.3 undecidable manual P 174 0.3552 94 -0.17 70
IV.SNTG.HHZ. 2020-11-30T10:31:36.23 0.3 undecidable manual P 353 0.3004 95 -0.08 72
IV.NRCA.HHN. 2020-11-30T10:31:36.53 0.3 undecidable manual S 144 0.152 109 -0.24 71
IV.MML1.EHZ. 2020-11-30T10:31:36.84 0.3 undecidable manual S 354 0.1574 108 -0.1 73
IV.MC2.EHZ. 2020-11-30T10:31:36.99 0.3 undecidable manual S 108 0.1502 109 0.26 71
IV.FDMO.HHZ. 2020-11-30T10:31:35.39 0.3 undecidable manual S 41 0.1052 124 -0.15 73
IV.MMO1.HNZ. 2020-11-30T10:31:35.41 0.3 undecidable manual P 103 0.2509 97 -0.05 73
IV.ASSB.HHZ. 2020-11-30T10:31:35.36 0.3 undecidable manual P 289 0.259 96 -0.24 70
IV.PF6.EHZ. 2020-11-30T10:31:35.22 0.6 undecidable manual P 39 0.2329 98 0.06 48
IV.FEMA.HNZ. 2020-11-30T10:31:34.49 0.3 undecidable manual S 83 0.0414 155 0.17 74
IV.CESI.HHE. 2020-11-30T10:31:34.99 0.3 undecidable manual S 307 0.0809 135 0 76
IV.CSP1.EHZ. 2020-11-30T10:31:34.71 0.1 undecidable manual P 49 0.205 100 0.03 98
IT.MTCL.HGZ. 2020-11-30T10:31:34.04 0.3 undecidable manual S 7 0.0378 157 -0.22 73
IV.NRCA.HHN. 2020-11-30T10:31:33.71 0.1 undecidable manual P 144 0.152 109 -0.09 98
IV.MML1.EHZ. 2020-11-30T10:31:33.86 0.3 undecidable manual P 354 0.1574 108 -0.03 74
IV.MC2.EHZ. 2020-11-30T10:31:33.87 0.3 undecidable manual P 108 0.1502 109 0.1 73
IV.FDMO.HHZ. 2020-11-30T10:31:33.13 0.1 undecidable manual P 41 0.1052 124 0.04 100
IT.MTCL.HGZ. 2020-11-30T10:31:32.36 0.3 undecidable manual P 7 0.0378 157 0.01 76
IV.FEMA.HNZ. 2020-11-30T10:31:32.56 0.3 undecidable manual P 83 0.0414 155 0.18 74
IV.CESI.HHE. 2020-11-30T10:31:32.87 0.1 undecidable manual P 307 0.0809 135 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.5 0.000372 0.42 AML other m 2020-11-30T10:31:35.26
IV.CESI.HHE. ML:1.4 0.000302 0.08 AML other m 2020-11-30T10:31:35.03
IV.FDMO.HHN. ML:1.1 0.00013 0.18 AML other m 2020-11-30T10:31:35.61
IV.FDMO.HHE. ML:1 8.995E-5 0.8 AML other m 2020-11-30T10:31:35.59
IV.CSP1.EHN. ML:1.2 9.5272465E-5 0.5184 AML other m 2020-11-30T10:31:38.60
IV.CSP1.EHE. ML:1.4 0.0001462691 1.1392 AML other m 2020-11-30T10:31:38.04
IV.ASSB.HHN. ML:1.1 5.671801E-5 1.76 AML other m 2020-11-30T10:31:40.07
IV.ASSB.HHE. ML:1.2 7.8836785E-5 0.1984 AML other m 2020-11-30T10:31:39.97
IV.SNTG.HHE. ML:1.2 6.227559E-5 0.7232 AML other m 2020-11-30T10:31:41.73
IV.SNTG.HHN. ML:0.9 3.638594E-5 0.9984 AML other m 2020-11-30T10:31:41.55
IV.EL6.EHN. ML:1.6 0.0001315582 1.6 AML other m 2020-11-30T10:31:44.11
IV.EL6.EHE. ML:1.5 9.407703E-5 3.1232 AML other m 2020-11-30T10:31:43.12
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