Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-11-2020 and time 10:14:52 (UTC) in region 4 km SE Monte Cavallo (MC)

A magnitude ML 2.0 earthquake occured in region: 4 km SE Monte Cavallo (MC), on

  • 20-11-2020 10:14:52 (UTC)
  • 20-11-2020 11:14:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9710, 13.0330 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
Monte Cavallo MC 4 145 145
Visso MC 6 1107 1252
Pieve Torina MC 8 1458 2710
Fiordimonte MC 9 202 2912
Ussita MC 9 444 3356
Preci PG 10 724 4080
Pievebovigliana MC 11 866 4946
Sellano PG 12 1079 6025
Fiastra MC 13 559 6584
Muccia MC 13 915 7499
Castelsantangelo sul Nera MC 13 281 7780
Serravalle di Chienti MC 13 1070 8850
Acquacanina MC 13 121 8971
Bolognola MC 16 142 9113
Camerino MC 19 6974 16087
Cerreto di Spoleto PG 19 1075 17162

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
98 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 2.0 2020-11-20
10:14:52		 42.9707 13.0332 10 2021-02-26
14:56:13		 Bollettino Sismico Italiano INGV 85975881
Reviewed
Rev100 		ML 2.0 2020-11-20
10:14:52		 42.9655 13.0338 10 2020-11-20
10:35:32		 Sala Sismica INGV-Roma 84868791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-20 10:14:52 ± 0.05
Latitude 42.9707 ± 0.0027
Longitude 13.0332 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85975881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 292
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
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) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.71946
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 85975881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-02 22:41:44

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 84868791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-20 10:35:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HNZ. 2020-11-20T10:15:08.15 0.3 undecidable manual S 16 46.8198 50 0.22 68
IV.NARO.HHZ. 2020-11-20T10:15:06.01 0.6 undecidable manual P 333 79.8645 50 -0.59 39
IV.EL6.EHZ. 2020-11-20T10:15:06.37 0.3 undecidable manual S 8 40.2264 50 0.21 69
IV.MF5.EHZ. 2020-11-20T10:15:05.20 0.3 undecidable manual S 87 34.6431 50 0.51 66
IV.GAVE.HNE. 2020-11-20T10:15:04.00 0.3 undecidable manual S 200 32.8449 50 -0.22 70
IV.SNTG.HHZ. 2020-11-20T10:15:04.10 0.3 undecidable manual S 347 32.4453 50 0.01 73
IV.SAP2.EHZ. 2020-11-20T10:15:04.70 0.3 undecidable manual S 65 32.8449 50 0.5 66
IV.ARVD.HHZ. 2020-11-20T10:15:03.40 0.6 undecidable manual P 353 58.9965 50 0.01 47
IV.ASSB.HHZ. 2020-11-20T10:15:03.60 0.3 undecidable manual S 285 31.4463 50 -0.22 70
IV.GUMA.HHZ. 2020-11-20T10:15:02.70 0.3 undecidable manual S 67 26.5512 50 0.18 72
IV.ARRO.EHZ. 2020-11-20T10:15:02.72 0.6 undecidable manual P 207 48.618 50 0.94 36
IV.MDAR.HNZ. 2020-11-20T10:15:02.00 0.3 undecidable manual S 20 26.1516 50 -0.43 68
IV.SMA1.EHN. 2020-11-20T10:15:01.65 0.6 undecidable manual P 147 45.0216 50 0.41 44
IV.CING.HNZ. 2020-11-20T10:15:01.43 0.1 undecidable manual P 16 46.8198 50 -0.08 94
IV.PF6.EHN. 2020-11-20T10:15:01.00 0.3 undecidable manual S 35 22.6551 114 -0.33 70
IV.MMO1.EHZ. 2020-11-20T10:15:01.50 0.3 undecidable manual S 108 25.1526 112 -0.61 64
IV.FOSV.HNE. 2020-11-20T10:15:00.66 0.6 undecidable manual P 329 42.2244 50 -0.13 47
IV.EL6.EHZ. 2020-11-20T10:15:00.38 0.3 undecidable manual P 8 40.2264 50 -0.11 71
IV.LNSS.HNZ. 2020-11-20T10:15:00.64 0.6 undecidable manual P 179 40.8258 50 0.06 48
IV.CSP1.EHZ. 2020-11-20T10:15:00.20 0.3 undecidable manual S 46 19.3695 117 -0.08 74
IV.T1299.HNN. 2020-11-20T10:15:00.88 0.6 undecidable manual P 151 42.4242 50 0.04 48
IV.MOMA.HNZ. 2020-11-20T10:15:00.06 0.6 undecidable manual P 244 41.9247 50 -0.7 40
IV.ATCC.EHE. 2020-11-20T10:15:00.48 0.6 undecidable manual P 307 39.7269 50 0.06 48
IV.MF5.EHZ. 2020-11-20T10:14:59.80 0.3 undecidable manual P 87 34.6431 50 0.17 71
IV.SNTG.HHZ. 2020-11-20T10:14:59.09 0.3 undecidable manual P 347 32.4453 50 -0.2 70
IV.NRCA.HHZ. 2020-11-20T10:14:59.10 0.3 undecidable manual S 157 16.5723 121 -0.34 70
IV.SAP2.EHZ. 2020-11-20T10:14:59.66 0.3 undecidable manual P 65 32.8449 50 0.31 69
IV.GAVE.HNE. 2020-11-20T10:14:59.21 0.3 undecidable manual P 200 32.8449 50 -0.15 71
IV.MML1.HNZ. 2020-11-20T10:14:59.40 0.3 undecidable manual S 343 16.6722 121 -0.05 75
IV.MDAR.HNZ. 2020-11-20T10:14:58.00 0.6 undecidable manual P 20 26.1516 50 -0.33 46
IV.CESI.HNZ. 2020-11-20T10:14:58.30 0.3 undecidable manual S 290 11.0778 132 0.39 70
IV.ASSB.HHZ. 2020-11-20T10:14:58.98 0.1 undecidable manual P 285 31.4463 50 -0.15 95
IV.MC2.EHZ. 2020-11-20T10:14:58.60 0.3 undecidable manual S 117 14.2746 125 -0.16 73
IT.FOPC.HGN. 2020-11-20T10:14:58.43 0.3 undecidable manual P 270 26.751 50 0.01 74
IV.GUMA.HHZ. 2020-11-20T10:14:58.47 0.1 positive manual P 67 26.5512 50 0.09 97
IV.MMO1.EHZ. 2020-11-20T10:14:57.87 0.1 undecidable manual P 108 25.1526 112 -0.27 94
IV.FDMO.HHZ. 2020-11-20T10:14:57.20 0.3 undecidable manual S 31 8.4804 139 -0.08 75
IV.CSP1.EHZ. 2020-11-20T10:14:57.08 0.3 undecidable manual P 46 19.3695 117 -0.01 75
IV.PF6.EHN. 2020-11-20T10:14:57.54 0.1 undecidable manual P 35 22.6551 114 -0.16 96
IV.MML1.HNZ. 2020-11-20T10:14:56.73 0.1 undecidable manual P 343 16.6722 121 0.12 98
IV.CESI.HNZ. 2020-11-20T10:14:56.04 0.1 undecidable manual P 290 11.0778 132 0.32 95
IT.MTCL.HGZ. 2020-11-20T10:14:56.50 0.3 undecidable manual S 313 3.7962 159 0.08 76
IV.NRCA.HHZ. 2020-11-20T10:14:56.57 0.1 undecidable manual P 157 16.5723 121 -0.03 100
IV.FEMA.HNZ. 2020-11-20T10:14:56.50 0.6 undecidable manual S 125 1.5984 171 0.27 49
IV.MC2.EHZ. 2020-11-20T10:14:56.36 0.3 undecidable manual P 117 14.2746 125 0.15 74
IV.SEF1.HNN. 2020-11-20T10:14:56.92 0.3 undecidable manual P 340 20.7681 116 -0.42 69
IV.FEMA.HNZ. 2020-11-20T10:14:55.09 0.1 undecidable manual P 125 1.5984 171 0.34 96
IV.FDMO.HHZ. 2020-11-20T10:14:55.55 0.1 undecidable manual P 31 8.4804 139 0.19 98
IT.MTCL.HGZ. 2020-11-20T10:14:55.10 0.3 undecidable manual P 313 3.7962 159 0.24 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.4 0.004664394 0.1472 AML other m 2020-11-20T10:14:56.70
IV.FEMA.HNN. ML:2.0 0.001976403 0.1472 AML other m 2020-11-20T10:14:57.27
IV.FDMO.HHN. ML:2.2 0.002341291 0.1792 AML other m 2020-11-20T10:14:57.49
IV.FDMO.HHE. ML:2.0 0.0013880401 0.1216 AML other m 2020-11-20T10:14:57.43
IV.CESI.HHE. ML:2.2 0.0017432715000000002 0.2624 AML other m 2020-11-20T10:14:58.66
IV.CESI.HNE. ML:2.1 0.0014082006499999999 0.2496 AML other m 2020-11-20T10:14:58.66
IV.CESI.HHN. ML:2.3 0.0025506975 0.1216 AML other m 2020-11-20T10:14:58.66
IV.CESI.HNN. ML:2.3 0.0025363605 0.1216 AML other m 2020-11-20T10:14:58.67
IV.NRCA.HHN. ML:1.8 0.0005147368 1.84 AML other m 2020-11-20T10:14:59.99
IV.NRCA.HNN. ML:1.7 0.00046992855 0.1216 AML other m 2020-11-20T10:14:59.00
IV.NRCA.HHE. ML:1.6 0.00038664285 0.16 AML other m 2020-11-20T10:15:00.83
IV.NRCA.HNE. ML:1.6 0.00035970124999999995 0.16 AML other m 2020-11-20T10:15:00.83
IV.CSP1.EHE. ML:2.4 0.002122289 0.1856 AML other m 2020-11-20T10:15:01.08
IV.CSP1.EHN. ML:2.4 0.0021153969999999998 0.16 AML other m 2020-11-20T10:15:01.66
IV.GUMA.HHE. ML:2.2 0.0009771509499999999 0.2176 AML other m 2020-11-20T10:15:02.00
IV.GUMA.HNE. ML:2.2 0.00081329455 1.7888 AML other m 2020-11-20T10:15:03.02
IV.GUMA.HHN. ML:2.3 0.0011863364999999998 1.744 AML other m 2020-11-20T10:15:03.95
IV.GUMA.HNN. ML:2.2 0.0009061066500000001 1.68 AML other m 2020-11-20T10:15:03.94
IV.ASSB.HHN. ML:2.0 0.0004907263499999999 0.1792 AML other m 2020-11-20T10:15:04.10
IV.ASSB.HHE. ML:2.0 0.00047548524999999997 0.1216 AML other m 2020-11-20T10:15:04.24
IV.SNTG.HHE. ML:1.5 0.00014472200000000001 0.1216 AML other m 2020-11-20T10:15:04.75
IV.SNTG.HNE. ML:1.5 0.00014912609999999997 1.8976 AML other m 2020-11-20T10:15:04.00
IV.SNTG.HHN. ML:1.4 0.00011488843500000001 0.1216 AML other m 2020-11-20T10:15:04.92
IV.SAP2.EHN. ML:2.5 0.0014599880000000002 0.1216 AML other m 2020-11-20T10:15:05.04
IV.SAP2.EHE. ML:1.8 0.00029011465 0.1216 AML other m 2020-11-20T10:15:05.32
IV.EL6.EHN. ML:2.0 0.00031100634999999997 1.8016 AML other m 2020-11-20T10:15:07.98
IV.SNTG.HNN. ML:1.7 0.0002207305 0.4928 AML other m 2020-11-20T10:15:07.51
IV.EL6.EHE. ML:2.0 0.0003119454 0.16 AML other m 2020-11-20T10:15:07.43
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
Waveforms Seismic signals in miniseed + resp format Download