Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 01-12-2020 and time 02:44:50 (UTC) in region 5 km E Sefro (MC)

A magnitude ML 0.7 earthquake occured in region: 5 km E Sefro (MC), on

  • 01-12-2020 02:44:50 (UTC)
  • 01-12-2020 03:44:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1280, 12.9990 at 14 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
Sefro MC 5 422 422
Camerino MC 6 6974 7396
Pioraco MC 6 1134 8530
Muccia MC 6 915 9445
Serravalle di Chienti MC 7 1070 10515
Fiuminata MC 9 1402 11917
Pievebovigliana MC 10 866 12783
Pieve Torina MC 10 1458 14241
Castelraimondo MC 10 4587 18828
Fiordimonte MC 13 202 19030
Gagliole MC 14 620 19650
Matelica MC 14 9981 29631
Esanatoglia MC 14 2034 31665
Monte Cavallo MC 15 145 31810
Fiastra MC 16 559 32369
Serrapetrona MC 16 966 33335
Nocera Umbra PG 17 5839 39174
Acquacanina MC 18 121 39295
San Severino Marche MC 18 12726 52021
Caldarola MC 19 1823 53844
Belforte del Chienti MC 20 1886 55730

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
69 Km NE of Terni (111501 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
80 Km S of Fano (60888 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
92 Km NW of L'Aquila (69753 inhabitants)
98 Km E of Arezzo (99543 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 2020-12-01
02:44:50		 43.1283 12.9993 14 2020-12-01
02:55:25		 Sala Sismica INGV-Roma 85120871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-01 02:44:50 ± 0.07
Latitude 43.1283 ± 0.0018
Longitude 12.9993 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85120871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 33
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30667
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85120871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-01 02:55:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2020-12-01T02:45:02.40 0.1 undecidable manual S 164 34.0437 97 0.11 93
IV.CING.HHN. 2020-12-01T02:45:01.84 0.1 undecidable manual S 30 31.6461 98 0.17 92
IV.CRTC.HHZ. 2020-12-01T02:45:01.18 3.0 undecidable manual P -0.44 0
IV.ASSB.HHZ. 2020-12-01T02:45:00.69 0.1 undecidable manual S 251 29.1486 99 -0.32 89
IV.EL6.EHN. 2020-12-01T02:44:59.58 0.1 undecidable manual S 20 23.754 103 -0.02 96
IV.CSP1.EHZ. 2020-12-01T02:44:58.02 0.1 undecidable manual S 104 17.1717 113 0.11 95
IT.MTCL.HGZ. 2020-12-01T02:44:57.24 0.1 undecidable manual S 180 14.874 119 -0.14 95
IV.CESI.HHZ. 2020-12-01T02:44:57.76 0.1 undecidable manual S 209 15.6732 117 0.2 94
IV.SNTG.HNN. 2020-12-01T02:44:57.17 0.1 undecidable manual S 341 14.874 119 -0.19 94
IV.NRCA.HHZ. 2020-12-01T02:44:57.31 0.6 negative manual P 164 34.0437 97 -0.08 47
IV.CING.HHN. 2020-12-01T02:44:57.07 0.1 undecidable manual P 30 31.6461 98 0.04 95
IV.PF6.EHE. 2020-12-01T02:44:57.34 0.1 undecidable manual S 86 15.7731 116 -0.25 93
IV.FDMO.HHZ. 2020-12-01T02:44:56.63 0.1 undecidable manual S 145 12.4764 126 -0.19 95
IV.ASSB.HHZ. 2020-12-01T02:44:56.74 0.6 undecidable manual P 251 29.1486 99 0.08 47
IV.MML1.HNE. 2020-12-01T02:44:55.34 0.1 undecidable manual S 234 2.7972 166 -0.01 100
IV.EL6.EHN. 2020-12-01T02:44:55.90 0.1 undecidable manual P 20 23.754 103 0.06 95
IV.CSP1.EHZ. 2020-12-01T02:44:54.94 0.6 negative manual P 104 17.1717 113 0.08 48
IV.PF6.EHE. 2020-12-01T02:44:54.63 0.1 undecidable manual P 86 15.7731 116 -0.05 97
IT.MTCL.HGZ. 2020-12-01T02:44:54.58 0.1 undecidable manual P 180 14.874 119 0.02 98
IV.FDMO.HHZ. 2020-12-01T02:44:54.16 1.0 undecidable manual P 145 12.4764 126 -0.07 24
IV.CESI.HHZ. 2020-12-01T02:44:54.82 0.1 positive manual P 209 15.6732 117 0.16 95
IV.SNTG.HNN. 2020-12-01T02:44:54.59 0.1 undecidable manual P 341 14.874 119 0.04 97
IV.MML1.HNE. 2020-12-01T02:44:53.60 0.1 undecidable manual P 234 2.7972 166 0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.000053004484999999996 0.16 AML other m 2020-12-01T02:44:56.00
IV.FDMO.HHN. ML:0.8 0.000060293765 0.2 AML other m 2020-12-01T02:44:56.74
IV.CESI.HHE. ML:0.3 0.00001621307645 0.08 AML other m 2020-12-01T02:44:54.89
IV.CESI.HHN. ML:0.4 0.000020111070000000003 0.0992 AML other m 2020-12-01T02:44:58.26
IV.CSP1.EHN. ML:1.2 0.0001234049 0.12 AML other m 2020-12-01T02:44:58.06
IV.ASSB.HHE. ML:0.5 0.000014403878000000001 0.2608 AML other m 2020-12-01T02:45:01.61
IV.NRCA.HHE. ML:0.7 0.000021310120000000003 0.1408 AML other m 2020-12-01T02:45:03.05
IV.NRCA.HHN. ML:0.8 0.000023002985 0.08 AML other m 2020-12-01T02:45:03.11
IV.CSP1.EHE. ML:0.9 0.00006295566 0.12 AML other m 2020-12-01T02:44:58.11
IV.ASSB.HHN. ML:0.7 0.000023617010000000002 0.08 AML other m 2020-12-01T02:45:01.60
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