Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 07-10-2020 and time 14:38:55 (Italy) in region 6 km S Monte Cavallo (MC)

A magnitude ML 0.7 earthquake occured in region: 6 km S Monte Cavallo (MC), on

  • 07-10-2020 12:38:55 (UTC)
  • 07-10-2020 14:38:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9410, 12.9930 at 12 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 6 145 145
Sellano PG 8 1079 1224
Preci PG 8 724 1948
Visso MC 8 1107 3055
Ussita MC 12 444 3499
Pieve Torina MC 13 1458 4957
Fiordimonte MC 13 202 5159
Castelsantangelo sul Nera MC 14 281 5440
Cerreto di Spoleto PG 15 1075 6515
Serravalle di Chienti MC 15 1070 7585
Pievebovigliana MC 16 866 8451
Muccia MC 16 915 9366
Fiastra MC 17 559 9925
Acquacanina MC 18 121 10046
Norcia PG 18 4957 15003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
53 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
100 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
Reviewed
Rev100 		ML 0.7 2020-10-07
12:38:55		 42.9412 12.993 12 2020-10-07
12:53:20		 Sala Sismica INGV-Roma 83587061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-07 12:38:55 ± 0.06
Latitude 42.9412 ± 0.0027
Longitude 12.9930 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83587061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 422
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.26440
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 83587061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-07 12:53:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHE. 2020-10-07T12:39:05.98 0.6 undecidable manual S 196 28.749 91 -0.06 48
IV.ASSB.HHZ. 2020-10-07T12:39:05.92 0.6 undecidable manual S 293 29.3484 91 -0.28 46
IV.CSP1.EHZ. 2020-10-07T12:39:04.81 0.3 undecidable manual S 46 23.9538 92 0.05 73
IV.MML1.HNZ. 2020-10-07T12:39:03.54 0.3 undecidable manual S 355 19.1697 94 0.05 74
IV.ASSB.HHZ. 2020-10-07T12:39:02.42 0.6 undecidable manual P 293 29.3484 91 0.57 43
IV.NRCA.HNN. 2020-10-07T12:39:02.37 0.3 undecidable manual S 140 15.4734 99 -0.13 73
IV.CSP1.EHZ. 2020-10-07T12:39:01.01 1.0 negative manual P 46 23.9538 92 0 25
IV.CESI.HHZ. 2020-10-07T12:39:01.04 0.3 undecidable manual S 315 10.0788 123 -0.11 74
IV.FDMO.HHZ. 2020-10-07T12:39:01.77 0.3 undecidable manual S 36 13.0758 108 -0.1 74
IV.GAVE.EHE. 2020-10-07T12:39:01.73 0.6 undecidable manual P 196 28.749 91 -0.03 49
IV.FEMA.HNZ. 2020-10-07T12:39:00.49 0.6 undecidable manual S 63 5.1948 148 0.25 48
IV.MML1.HNZ. 2020-10-07T12:39:00.14 0.6 undecidable manual P 355 19.1697 94 -0.14 48
IT.MTCL.HGZ. 2020-10-07T12:39:00.12 0.3 undecidable manual S 5 5.8941 144 -0.22 73
IV.NRCA.HNN. 2020-10-07T12:38:59.71 0.1 undecidable manual P 140 15.4734 99 0 100
IV.CESI.HHZ. 2020-10-07T12:38:59.00 0.3 undecidable manual P 315 10.0788 123 0.07 75
IV.FDMO.HHZ. 2020-10-07T12:38:59.37 0.1 undecidable manual P 36 13.0758 108 0.02 100
IT.MTCL.HGZ. 2020-10-07T12:38:58.54 0.3 undecidable manual P 5 5.8941 144 0.08 75
IV.FEMA.HNZ. 2020-10-07T12:38:58.51 0.6 undecidable manual P 63 5.1948 148 0.11 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HNE. ML:0.8 0.00006390250000000001 0.1088 AML other m 2020-10-07T12:39:01.32
IV.CESI.HNN. ML:0.8 0.00007409081499999999 0.128 AML other m 2020-10-07T12:39:01.36
IV.CSP1.EHE. ML:0.5 0.000019669835000000002 0.0832 AML other m 2020-10-07T12:39:05.44
IV.CSP1.EHN. ML:0.6 0.000023115980000000002 0.1408 AML other m 2020-10-07T12:39:05.31
IV.CESI.HHE. ML:0.7 0.000057399785 0.096 AML other m 2020-10-07T12:39:01.28
IV.CESI.HHN. ML:0.8 0.000081317155 0.1408 AML other m 2020-10-07T12:39:01.37
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