Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 08-11-2020 and time 20:06:47 (UTC) in region 1 km W Serravalle di Chienti (MC)

A magnitude ML 0.5 earthquake occured in region: 1 km W Serravalle di Chienti (MC), on

  • 08-11-2020 20:06:47 (UTC)
  • 08-11-2020 21:06:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0750, 12.9350 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 1 1070 1070
Sefro MC 8 422 1492
Muccia MC 9 915 2407
Pieve Torina MC 10 1458 3865
Monte Cavallo MC 10 145 4010
Pievebovigliana MC 12 866 4876
Pioraco MC 12 1134 6010
Nocera Umbra PG 12 5839 11849
Fiuminata MC 13 1402 13251
Camerino MC 13 6974 20225
Fiordimonte MC 13 202 20427
Valtopina PG 15 1398 21825
Castelraimondo MC 18 4587 26412
Fiastra MC 19 559 26971
Esanatoglia MC 20 2034 29005

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
62 Km NE of Terni (111501 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
86 Km S of Fano (60888 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Pesaro (94582 inhabitants)
96 Km E of Arezzo (99543 inhabitants)
100 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
Reviewed
Rev100 		ML 0.5 2020-11-08
20:06:47		 43.0747 12.9353 10 2020-11-08
20:13:54		 Sala Sismica INGV-Roma 84566151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-08 20:06:47 ± 0.18
Latitude 43.0747 ± 0.0162
Longitude 12.9353 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84566151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1697
Semi-minor axis of confidence ellipse (meter) 510
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 1700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42268
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.5
Num. used stations 6
Type of magnitude ML
Reference to an origin 84566151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-08 20:13:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROM9.HNZ. 2020-11-08T20:07:33.86 3.0 undecidable manual S 3.49 0
IV.CRTC.HHZ. 2020-11-08T20:07:09.38 3.0 undecidable manual S -0.2 0
IV.ASSB.HHZ. 2020-11-08T20:06:56.56 0.6 undecidable manual S 261 22.755 114 0.32 63
IV.ARVD.HHZ. 2020-11-08T20:06:54.22 3.0 undecidable manual P 46.9197 -2.16 0
IV.MC2.EHZ. 2020-11-08T20:06:53.60 1.0 negative manual P 131 27.4503 50 0.23 32
IV.FDMO.HHZ. 2020-11-08T20:06:53.60 0.6 undecidable manual S 109 12.9759 128 0.26 65
IV.ASSB.HHZ. 2020-11-08T20:06:52.39 0.6 undecidable manual P 261 22.755 114 -0.2 64
IV.CESI.HHZ. 2020-11-08T20:06:52.14 0.6 undecidable manual S 198 8.1807 141 0.01 68
IV.CSP1.EHZ. 2020-11-08T20:06:52.48 0.3 positive manual P 85 21.867 115 0.03 100
IV.CESI.HHZ. 2020-11-08T20:06:50.05 0.3 undecidable manual P 198 8.1807 141 -0.17 99
IV.FDMO.HHZ. 2020-11-08T20:06:50.76 0.3 positive manual P 109 12.9759 128 -0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.5 0.0000429 0.16 AML other m 2020-11-08T20:06:52.31
IV.CESI.HHE. ML:0.4 0.00003325 0.18 AML other m 2020-11-08T20:06:52.40
IV.FDMO.HHN. ML:0.0 0.000012475 1.44 AML other m 2020-11-08T20:06:53.17
IV.FDMO.HHE. ML:0.2 0.00001489 1.54 AML other m 2020-11-08T20:06:54.77
IV.CRTC.HHE. ML:1.8 0.00008945 1.16 AML other m 2020-11-08T20:07:16.30
IV.CRTC.HHN. ML:1.6 0.00006705 0.26 AML other m 2020-11-08T20:07:22.40
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