Earthquake with magnitude of ML 0.8 on date 03-02-2021 and time 02:20:39 (Italy) in region 5 km E Sefro (MC)

A magnitude ML 0.8 earthquake occured in region: 5 km E Sefro (MC), on

  • 03-02-2021 01:20:39 (UTC)
  • 03-02-2021 02:20:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1290, 13.0000 at 13 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.

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 0.8 2021-02-03
01:20:39
43.129 13 13 2021-02-03
01:26:06
Sala Sismica INGV-Roma 86795751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-03 01:20:39 ± 0.06
Latitude 43.1290 ± 0.0036
Longitude 13.0000 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86795751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 78
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
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) 123
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26350
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 86795751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-03 01:26:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-02-03T01:20:49.84 0.3 undecidable manual S 251 29.2485 97 -0.09 71
IV.CESI.HHZ. 2021-02-03T01:20:46.47 0.1 undecidable manual S 209 15.7731 113 0.04 100
IV.CSP1.EHZ. 2021-02-03T01:20:46.77 0.3 undecidable manual S 104 17.0718 110 0.01 74
IV.FDMO.HHZ. 2021-02-03T01:20:45.45 0.3 undecidable manual S 145 12.4764 123 -0.2 73
IV.SNTG.HNN. 2021-02-03T01:20:45.95 0.3 undecidable manual S 341 14.7741 116 -0.24 72
IV.PTRJ.HHZ. 2021-02-03T01:20:45.17 3.0 undecidable manual P 0 0
IV.ASSB.HHZ. 2021-02-03T01:20:45.65 0.3 undecidable manual P 251 29.2485 97 0.07 73
IV.FIU1.HNZ. 2021-02-03T01:20:44.77 0.3 undecidable manual S 320 8.5803 137 -0.09 75
IV.MML1.EHE. 2021-02-03T01:20:44.18 0.3 undecidable manual S 233 2.8971 165 0.07 75
IV.CSP1.EHZ. 2021-02-03T01:20:43.77 0.3 positive manual P 104 17.0718 110 0.03 74
IV.SNTG.HNN. 2021-02-03T01:20:43.45 0.1 undecidable manual P 341 14.7741 116 0.04 99
IV.CESI.HHZ. 2021-02-03T01:20:43.59 0.1 positive manual P 209 15.7731 113 0.03 100
IV.MML1.EHE. 2021-02-03T01:20:42.32 0.1 undecidable manual P 233 2.8971 165 0.1 100
IV.FIU1.HNZ. 2021-02-03T01:20:42.76 0.1 undecidable manual P 320 8.5803 137 0.11 99
IV.FDMO.HHZ. 2021-02-03T01:20:42.98 0.3 undecidable manual P 145 12.4764 123 -0.12 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.6 0.00003645 0.44 AML other m 2021-02-03T01:20:45.54
IV.FDMO.HHE. ML:0.6 0.0000396 0.44 AML other m 2021-02-03T01:20:45.92
IV.CESI.HHN. ML:1.2 0.00011549999999999999 0.1 AML other m 2021-02-03T01:20:46.60
IV.CESI.HHE. ML:1.0 0.00007575000000000001 0.1 AML other m 2021-02-03T01:20:46.52
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