Earthquake with magnitude of ML 0.9 on date 19-01-2021 and time 18:18:02 (UTC) in region 4 km S Sefro (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km S Sefro (MC), on

  • 19-01-2021 18:18:02 (UTC)
  • 19-01-2021 19:18:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1120, 12.9450 at 12 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 4 422 422
Serravalle di Chienti MC 4 1070 1492
Pioraco MC 8 1134 2626
Fiuminata MC 9 1402 4028
Muccia MC 9 915 4943
Camerino MC 10 6974 11917
Pieve Torina MC 11 1458 13375
Nocera Umbra PG 13 5839 19214
Pievebovigliana MC 13 866 20080
Monte Cavallo MC 14 145 20225
Castelraimondo MC 14 4587 24812
Fiordimonte MC 14 202 25014
Esanatoglia MC 16 2034 27048
Valtopina PG 16 1398 28446
Matelica MC 17 9981 38427
Gagliole MC 18 620 39047
Gualdo Tadino PG 19 15208 54255
Fiastra MC 19 559 54814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
82 Km S of Fano (60888 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
92 Km NW of L'Aquila (69753 inhabitants)
95 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 0.9 2021-01-19
18:18:02
43.1122 12.9448 12 2021-01-19
18:26:27
Sala Sismica INGV-Roma 86381391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-19 18:18:02 ± 0.04
Latitude 43.1122 ± 0.0018
Longitude 12.9448 ± 0.0025
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86381391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 210
Semi-minor axis of confidence ellipse (meter) 28
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30487
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 86381391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-19 18:26:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENA.HHZ. 2021-01-19T18:19:48.16 3.0 undecidable manual Sn 3.48 0
IV.IMI.HHZ. 2021-01-19T18:19:47.93 3.0 undecidable manual Sn 4.19 0
IV.EUCT.HNZ. 2021-01-19T18:19:46.13 3.0 undecidable manual Sg 11.24 0
SI.BOSI.HHZ. 2021-01-19T18:19:35.54 3.0 undecidable manual Sn -0.92 0
IV.MAGA.HHZ. 2021-01-19T18:19:31.43 3.0 undecidable manual Sn 5.1 0
GU.BLANC.HHZ. 2021-01-19T18:19:31.26 3.0 undecidable manual Pg 15.07 0
IV.MBAL.EHZ. 2021-01-19T18:19:24.17 3.0 undecidable manual Sn 1.62 0
IV.TOLF.HHZ. 2021-01-19T18:18:43.96 3.0 undecidable manual S -0.36 0
IV.PTRJ.HNZ. 2021-01-19T18:18:37.88 3.0 undecidable manual Pn 2.21 0
IV.NRCA.HHZ. 2021-01-19T18:18:13.49 0.3 undecidable manual S 156 33.8439 91 -0.08 71
IV.ATCC.EHZ. 2021-01-19T18:18:11.55 0.3 undecidable manual S 288 25.9518 92 0.07 71
IV.CSP1.EHZ. 2021-01-19T18:18:10.22 0.1 undecidable manual S 96 21.1677 93 0.02 98
IV.FDMO.HHE. 2021-01-19T18:18:08.35 0.3 undecidable manual S 126 14.2746 103 -0.02 74
IT.MTCL.HGZ. 2021-01-19T18:18:08.24 0.3 undecidable manual S 161 13.875 105 -0.01 74
IV.NRCA.HHZ. 2021-01-19T18:18:08.58 0.6 positive manual P 156 33.8439 91 -0.14 47
IV.ATCC.EHZ. 2021-01-19T18:18:07.41 0.3 negative manual P 288 25.9518 92 -0.1 72
IV.CESI.HHZ. 2021-01-19T18:18:07.98 0.3 undecidable manual S 195 12.3765 112 0.1 74
IV.CSP1.EHZ. 2021-01-19T18:18:07.02 0.3 undecidable manual P 96 21.1677 93 0.25 70
IV.FIU1.HNZ. 2021-01-19T18:18:06.94 0.3 undecidable manual S 353 8.5803 130 -0.07 74
IV.FDMO.HHE. 2021-01-19T18:18:05.67 0.3 undecidable manual P 126 14.2746 103 -0.04 74
IV.CESI.HHZ. 2021-01-19T18:18:05.47 0.1 positive manual P 195 12.3765 112 0.04 99
IT.MTCL.HGZ. 2021-01-19T18:18:05.60 0.3 undecidable manual P 161 13.875 105 -0.05 74
IV.FIU1.HNZ. 2021-01-19T18:18:04.94 0.1 undecidable manual P 353 8.5803 130 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.7 0.0000491 0.42 AML other m 2021-01-19T18:18:08.04
IV.CESI.HHN. ML:1.0 0.00010435 0.32 AML other m 2021-01-19T18:18:08.14
IV.NRCA.HHE. ML:0.9 0.00002955 1.2 AML other m 2021-01-19T18:18:13.98
IV.NRCA.HHN. ML:0.9 0.0000321 0.6 AML other m 2021-01-19T18:18:14.61
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download