Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 05-02-2021 and time 05:29:36 (UTC) in region Sefro (MC)

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

  • 05-02-2021 05:29:36 (UTC)
  • 05-02-2021 06:29:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1450, 12.9550 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
Sefro MC 0 422 422
Pioraco MC 5 1134 1556
Fiuminata MC 5 1402 2958
Serravalle di Chienti MC 8 1070 4028
Camerino MC 9 6974 11002
Muccia MC 10 915 11917
Castelraimondo MC 11 4587 16504
Esanatoglia MC 12 2034 18538
Matelica MC 13 9981 28519
Pieve Torina MC 14 1458 29977
Nocera Umbra PG 14 5839 35816
Pievebovigliana MC 14 866 36682
Gagliole MC 14 620 37302
Fiordimonte MC 16 202 37504
Gualdo Tadino PG 17 15208 52712
Monte Cavallo MC 17 145 52857
Valtopina PG 19 1398 54255
Serrapetrona MC 20 966 55221
Cerreto d'Esi AN 20 3817 59038

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
70 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
78 Km S of Fano (60888 inhabitants)
82 Km NW of Teramo (54892 inhabitants)
85 Km S of Pesaro (94582 inhabitants)
94 Km E of Arezzo (99543 inhabitants)
95 Km NW of L'Aquila (69753 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 2021-02-05
05:29:36		 43.1452 12.9547 10 2021-02-05
05:38:25		 Sala Sismica INGV-Roma 86844821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-05 05:29:36 ± 0.03
Latitude 43.1452 ± 0.0018
Longitude 12.9547 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86844821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
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) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.14479
Epicentral distance of station farthest from the epicenter (degree) 0.40829
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 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 86844821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-05 05:38:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2021-02-05T05:29:51.11 0.6 undecidable manual S 336 45.3213 50 0.21 46
IV.MMO1.EHZ. 2021-02-05T05:29:49.68 0.6 undecidable manual S 132 40.626 50 0.01 49
IV.ARVD.HHZ. 2021-02-05T05:29:49.49 0.6 undecidable manual S 358 39.1275 50 0.23 47
IV.ASSB.HHZ. 2021-02-05T05:29:45.67 0.6 undecidable manual S 245 26.5512 50 -0.22 48
IV.ATCC.EHZ. 2021-02-05T05:29:45.79 0.6 undecidable manual S 280 25.8519 50 0.08 49
IV.CSP1.EHZ. 2021-02-05T05:29:44.17 0.6 undecidable manual S 106 21.0678 115 -0.05 50
IV.EL6.EHZ. 2021-02-05T05:29:44.92 0.3 undecidable manual S 30 23.6541 113 -0.11 74
IV.MMO1.EHZ. 2021-02-05T05:29:44.08 1.0 undecidable manual P 132 40.626 50 0.14 24
IV.FRON.EHZ. 2021-02-05T05:29:44.53 0.1 undecidable manual P 336 45.3213 50 -0.12 94
IV.ARVD.HHZ. 2021-02-05T05:29:43.71 0.1 undecidable manual P 358 39.1275 50 0 98
IV.FDMO.HHZ. 2021-02-05T05:29:42.60 0.6 undecidable manual S 138 16.1727 122 -0.11 50
IV.CESI.HHZ. 2021-02-05T05:29:42.79 0.6 undecidable manual S 195 16.0728 122 0.09 50
IV.ASSB.HHZ. 2021-02-05T05:29:41.61 0.1 positive manual P 245 26.5512 50 -0.15 97
IV.ATCC.EHZ. 2021-02-05T05:29:41.67 0.1 undecidable manual P 280 25.8519 50 0.01 100
IV.EL6.EHZ. 2021-02-05T05:29:41.24 0.1 undecidable manual P 30 23.6541 113 -0.02 100
IV.FDMO.HHZ. 2021-02-05T05:29:40.00 0.6 positive manual P 138 16.1727 122 0.07 50
IV.CESI.HHZ. 2021-02-05T05:29:40.07 0.1 positive manual P 195 16.0728 122 0.16 99
IV.CSP1.EHZ. 2021-02-05T05:29:40.84 0.3 positive manual P 106 21.0678 115 0.04 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.2 0.000141 0.18 AML other m 2021-02-05T05:29:42.98
IV.CESI.HHN. ML:0.8 0.000054689795 0.48 AML other m 2021-02-05T05:29:42.00
IV.ATCC.EHN. ML:0.9 0.000049869129999999995 0.1408 AML other m 2021-02-05T05:29:45.91
IV.ATCC.EHE. ML:0.9 0.000043249999999999994 0.14 AML other m 2021-02-05T05:29:46.13
IV.ASSB.HHN. ML:0.6 0.000021203025000000002 0.0768 AML other m 2021-02-05T05:29:46.57
IV.ASSB.HHE. ML:0.7 0.00002577674 0.08 AML other m 2021-02-05T05:29:47.19
IV.FDMO.HHE. ML:0.4 0.000026494045 0.2816 AML other m 2021-02-05T05:29:43.04
IV.FDMO.HHN. ML:0.4 0.000020922494999999998 0.1408 AML other m 2021-02-05T05:29:44.21
IV.CSP1.EHE. ML:1.0 0.00006692019 0.08 AML other m 2021-02-05T05:29:44.49
IV.CSP1.EHN. ML:1.1 0.000091347645 0.1792 AML other m 2021-02-05T05:29:44.48
IV.EL6.EHE. ML:1.2 0.000097811865 0.1408 AML other m 2021-02-05T05:29:45.51
IV.EL6.EHN. ML:1.0 0.00006250906000000001 0.1184 AML other m 2021-02-05T05:29:45.59
IV.ARVD.HHE. ML:0.4 0.00000904617305 0.0768 AML other m 2021-02-05T05:29:50.25
IV.ARVD.HHN. ML:0.2 0.0000061772299999999995 0.16 AML other m 2021-02-05T05:29:50.33
IV.FRON.EHE. ML:0.2 0.000005516211 0.08 AML other m 2021-02-05T05:29:52.38
IV.FRON.EHN. ML:0.5 0.000008613362499999999 3.1584 AML other m 2021-02-05T05:29:52.52
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