Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 13-10-2020 and time 19:01:43 (UTC) in region 2 km E Monte Cavallo (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km E Monte Cavallo (MC), on

  • 13-10-2020 19:01:43 (UTC)
  • 13-10-2020 21:01:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9930, 13.0210 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 2 145 145
Pieve Torina MC 6 1458 1603
Fiordimonte MC 8 202 1805
Visso MC 9 1107 2912
Pievebovigliana MC 9 866 3778
Muccia MC 10 915 4693
Serravalle di Chienti MC 10 1070 5763
Ussita MC 11 444 6207
Fiastra MC 12 559 6766
Preci PG 13 724 7490
Acquacanina MC 13 121 7611
Sellano PG 14 1079 8690
Castelsantangelo sul Nera MC 15 281 8971
Camerino MC 16 6974 15945
Bolognola MC 17 142 16087
Sefro MC 18 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
95 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 0.9 2020-10-13
19:01:43		 42.9932 13.021 12 2021-02-26
14:56:01		 Bollettino Sismico Italiano INGV 84208841
Reviewed
Rev100 		ML 1.0 2020-10-13
19:01:43		 42.9903 13.0212 12 2020-10-13
19:09:10		 Sala Sismica INGV-Roma 83760601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-13 19:01:43 ± 0.04
Latitude 42.9932 ± 0.0018
Longitude 13.0210 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84208841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 49
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.49912
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 84208841
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-28 11:05:23

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 83760601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-13 19:09:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HNZ. 2020-10-13T19:01:58.38 0.6 undecidable manual S 18 44.7219 92 0.35 43
IV.LNSS.HNZ. 2020-10-13T19:01:57.63 0.6 undecidable manual S 178 43.3233 92 -0.03 46
IV.EL6.EHE. 2020-10-13T19:01:56.03 0.6 undecidable manual S 10 37.8288 93 -0.17 46
IV.GAVE.EHN. 2020-10-13T19:01:55.34 0.3 undecidable manual S 197 34.9428 93 -0.08 69
IV.CESX.HHE. 2020-10-13T19:01:53.92 0.3 undecidable manual P 220 55.4001 92 0.33 64
IV.MMO1.HNZ. 2020-10-13T19:01:53.33 0.3 undecidable manual S 113 26.9508 95 0.04 71
IV.ASSB.HHZ. 2020-10-13T19:01:53.89 0.3 undecidable manual S 281 29.8479 94 -0.19 68
IV.SNTG.HHE. 2020-10-13T19:01:53.72 0.6 undecidable manual S 347 29.748 94 -0.33 45
IV.SMA1.EHN. 2020-10-13T19:01:52.73 0.6 undecidable manual P 147 47.7189 92 0.32 43
IV.ATCC.EHE. 2020-10-13T19:01:51.25 0.3 undecidable manual P 305 37.5291 93 0.41 65
IV.NRCA.HHZ. 2020-10-13T19:01:51.04 0.3 undecidable manual S 157 19.2696 101 -0.22 69
IV.PF6.EHZ. 2020-10-13T19:01:51.66 0.3 undecidable manual S 41 21.3675 98 -0.15 71
IV.CING.HNZ. 2020-10-13T19:01:51.84 0.3 undecidable manual P 18 44.7219 92 -0.1 68
IV.CSP1.EHZ. 2020-10-13T19:01:51.13 0.3 undecidable manual S 54 18.4704 102 0.07 71
IV.LNSS.HNZ. 2020-10-13T19:01:51.57 0.1 undecidable manual P 178 43.3233 92 -0.16 90
IV.MOMA.HNZ. 2020-10-13T19:01:51.84 0.3 undecidable manual P 240 42.2244 92 0.28 67
IV.MC2.EHZ. 2020-10-13T19:01:50.57 0.3 undecidable manual S 124 16.3725 106 0.06 72
IV.SNTG.HHE. 2020-10-13T19:01:50.11 0.1 undecidable manual P 347 29.748 94 0.46 86
IV.EL6.EHE. 2020-10-13T19:01:50.69 0.1 undecidable manual P 10 37.8288 93 -0.2 90
IV.GAVE.EHN. 2020-10-13T19:01:50.28 0.3 undecidable manual P 197 34.9428 93 -0.16 68
IV.MMO1.HNZ. 2020-10-13T19:01:49.23 0.3 undecidable manual P 113 26.9508 95 0.02 72
IV.MML1.HNZ. 2020-10-13T19:01:49.70 0.3 undecidable manual S 343 13.9749 113 -0.2 71
IV.ASSB.HHZ. 2020-10-13T19:01:49.55 0.3 undecidable manual P 281 29.8479 94 -0.12 69
IV.FEMA.HNZ. 2020-10-13T19:01:48.12 0.3 undecidable manual S 146 4.1958 156 0.08 73
IV.FDMO.HHZ. 2020-10-13T19:01:48.44 0.3 undecidable manual S 48 7.1928 141 -0.03 74
IV.PF6.EHZ. 2020-10-13T19:01:48.21 0.3 undecidable manual P 41 21.3675 98 -0.14 71
IV.CESI.HHZ. 2020-10-13T19:01:48.92 0.3 undecidable manual S 278 9.5793 130 0.02 74
IV.CSP1.EHZ. 2020-10-13T19:01:47.95 0.3 undecidable manual P 54 18.4704 102 0.03 72
IT.MTCL.HGZ. 2020-10-13T19:01:47.65 0.3 undecidable manual S 273 1.7982 170 -0.2 72
IV.MC2.EHZ. 2020-10-13T19:01:47.65 0.3 undecidable manual P 124 16.3725 106 0.04 73
IV.MML1.HNZ. 2020-10-13T19:01:47.15 0.1 undecidable manual P 343 13.9749 113 -0.1 96
IV.NRCA.HHZ. 2020-10-13T19:01:47.88 0.1 undecidable manual P 157 19.2696 101 -0.16 94
IV.FDMO.HHZ. 2020-10-13T19:01:46.51 0.1 undecidable manual P 48 7.1928 141 0.09 97
IV.CESI.HHZ. 2020-10-13T19:01:46.71 0.1 undecidable manual P 278 9.5793 130 0.04 98
IT.MTCL.HGZ. 2020-10-13T19:01:46.07 0.1 undecidable manual P 273 1.7982 170 0 100
IV.FEMA.HNZ. 2020-10-13T19:01:46.37 0.1 undecidable manual P 146 4.1958 156 0.19 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.2 0.000195 0.24 AML other m 2020-10-13T19:01:49.07
IV.CESI.HHE. ML:1.1 0.0001407 0.08 AML other m 2020-10-13T19:01:49.07
IV.CSP1.EHN. ML:1.0 0.00006799568000000001 1.856 AML other m 2020-10-13T19:01:50.82
IV.CSP1.EHE. ML:0.9 0.000063532805 0.5376 AML other m 2020-10-13T19:01:51.35
IV.ASSB.HHN. ML:0.6 0.000019789875 1.6512 AML other m 2020-10-13T19:01:54.34
IV.ASSB.HHE. ML:0.5 0.0000150752665 0.4608 AML other m 2020-10-13T19:01:54.08
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