Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 03-11-2020 and time 22:44:36 (UTC) in region 9 km SW Serravalle di Chienti (MC)

A magnitude ML 0.3 earthquake occured in region: 9 km SW Serravalle di Chienti (MC), on

  • 03-11-2020 22:44:36 (UTC)
  • 03-11-2020 23:44:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0280, 12.8590 at 8 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
Serravalle di Chienti MC 9 1070 1070
Valtopina PG 9 1398 2468
Nocera Umbra PG 11 5839 8307
Monte Cavallo MC 12 145 8452
Foligno PG 15 57155 65607
Sefro MC 15 422 66029
Spello PG 16 8645 74674
Pieve Torina MC 16 1458 76132
Sellano PG 16 1079 77211
Muccia MC 16 915 78126
Pievebovigliana MC 19 866 78992
Fiordimonte MC 19 202 79194
Trevi PG 19 8469 87663
Fiuminata MC 19 1402 89065
Pioraco MC 20 1134 90199

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Foligno (57155 inhabitants)
39 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
92 Km S of Fano (60888 inhabitants)
93 Km SE of Arezzo (99543 inhabitants)
98 Km S of Pesaro (94582 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 0.3 2020-11-03
22:44:36		 43.0278 12.8592 8 2020-11-03
23:08:32		 Sala Sismica INGV-Roma 84429651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-03 22:44:36 ± 0.11
Latitude 43.0278 ± 0.0036
Longitude 12.8592 ± 0.0025
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84429651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 341
Semi-minor axis of confidence ellipse (meter) 262
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16727
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 84429651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-03 23:08:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IST3.HHZ. 2020-11-03T22:45:44.45 3.0 positive manual Pg 15.55 0
IV.USI.HHZ. 2020-11-03T22:45:40.38 3.0 positive manual Pg 14.39 0
IV.MTMR.EHZ. 2020-11-03T22:45:37.35 3.0 undecidable manual Sg 7.88 0
IV.CRTC.HHZ. 2020-11-03T22:45:01.19 3.0 undecidable manual Sn -0.76 0
IV.CSNT.HHZ. 2020-11-03T22:44:54.20 3.0 negative manual P 0.96 0
IV.MNTT.EHZ. 2020-11-03T22:44:49.76 3.0 undecidable manual S 0.87 0
IV.ROM9.HNZ. 2020-11-03T22:44:45.26 3.0 positive manual P -0.24 0
IV.FDMO.HHZ. 2020-11-03T22:44:43.01 0.6 undecidable manual S 87 18.5703 114 -0.09 49
IV.ASSB.HHZ. 2020-11-03T22:44:42.40 0.6 undecidable manual S 276 16.3725 117 -0.01 50
IV.MML1.EHN. 2020-11-03T22:44:41.45 0.3 undecidable manual S 44 13.1757 122 0 76
IV.FDMO.HHZ. 2020-11-03T22:44:40.08 1.0 undecidable manual P 87 18.5703 114 -0.04 25
IV.CESI.HHZ. 2020-11-03T22:44:39.27 0.6 undecidable manual S 125 4.4955 152 -0.05 51
IV.MML1.EHN. 2020-11-03T22:44:39.21 0.1 undecidable manual P 44 13.1757 122 0.04 100
IV.ASSB.HHZ. 2020-11-03T22:44:39.68 0.3 negative manual P 276 16.3725 117 -0.04 75
IV.CESI.HHZ. 2020-11-03T22:44:38.12 0.6 undecidable manual P 125 4.4955 152 0.18 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.0 0.000015442975000000003 5.0176 AML other m 2020-11-03T22:44:45.75
IV.CESI.HHN. ML:0.0 0.000018185159999999997 5.2352 AML other m 2020-11-03T22:44:46.48
IV.CESI.HNE. ML:0.0 0.00012831779999999997 1.5488 AML other m 2020-11-03T22:44:43.14
IV.CESI.HNN. ML:0.0 0.000374585 2.0352 AML other m 2020-11-03T22:44:40.18
IV.ASSB.HHE. ML:0.2 0.000015966124999999998 4.0576 AML other m 2020-11-03T22:44:56.24
IV.ASSB.HHN. ML:0.5 0.000028411115 5.1584 AML other m 2020-11-03T22:44:50.09
IV.FDMO.HHE. ML:0.3 0.000017373895 5.2608 AML other m 2020-11-03T22:44:56.93
IV.FDMO.HHN. ML:0.1 0.000010049602 4.4032 AML other m 2020-11-03T22:44:45.56
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