Earthquake with magnitude of ML 1.2 on date 01-12-2021 and time 01:40:21 (Italy) in region 5 km E Sellano (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km E Sellano (PG), on

  • 01-12-2021 00:40:21 (UTC)
  • 01-12-2021 01:40:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9040, 12.9860 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Sellano PG 5 1079 1079
Preci PG 5 724 1803
Visso MC 9 1107 2910
Monte Cavallo MC 10 145 3055
Cerreto di Spoleto PG 11 1075 4130
Ussita MC 13 444 4574
Castelsantangelo sul Nera MC 14 281 4855
Norcia PG 15 4957 9812
Pieve Torina MC 17 1458 11270
Fiordimonte MC 17 202 11472
Vallo di Nera PG 18 364 11836
Serravalle di Chienti MC 19 1070 12906
Campello sul Clitunno PG 19 2442 15348
Trevi PG 20 8469 23817
Pievebovigliana MC 20 866 24683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
90 Km NE of Viterbo (67173 inhabitants)
90 Km SW of Ancona (100861 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
Bulletin
Rev1000
ML 1.2 2021-12-01
00:40:21
42.904 12.9858 11 2022-03-30
13:04:34
Bollettino Sismico Italiano INGV 100556651
Reviewed
Rev100
ML 1.2 2021-12-01
00:40:21
42.9033 12.9837 11 2021-12-01
00:46:35
Sala Sismica INGV-Roma 97991671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-01 00:40:21 ± 0.04
Latitude 42.9040 ± 0.0027
Longitude 12.9858 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 100556651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 329
Semi-minor axis of confidence ellipse (meter) 252
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 100556651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 10:00:09

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 97991671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-01 00:46:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHE. 2021-12-01T00:40:36.51 0.3 undecidable manual S 225 46.1205 50 0.3 66
IV.SNTG.HHZ. 2021-12-01T00:40:34.57 0.3 undecidable manual S 355 39.1275 50 0.25 68
IV.LNSS.HHZ. 2021-12-01T00:40:32.79 0.3 undecidable manual S 172 33.744 50 -0.09 71
IV.MMO1.EHZ. 2021-12-01T00:40:31.23 0.3 undecidable manual S 91 27.75 50 -0.05 72
IV.CSP1.EHZ. 2021-12-01T00:40:31.49 0.6 undecidable manual S 40 27.3504 50 0.3 46
IV.CESX.HHE. 2021-12-01T00:40:30.04 0.1 undecidable manual P 225 46.1205 50 0.11 92
IV.GAVE.EHZ. 2021-12-01T00:40:30.27 0.3 undecidable manual S 198 24.6531 50 -0.19 70
IV.MML1.EHZ. 2021-12-01T00:40:29.84 0.3 undecidable manual S 357 23.2545 50 -0.25 70
IV.FDMO.HHZ. 2021-12-01T00:40:28.03 0.3 undecidable manual S 29 16.872 123 -0.27 70
IV.MC2.EHZ. 2021-12-01T00:40:28.31 0.3 undecidable manual S 87 16.5723 123 0.1 73
IV.SNTG.HHZ. 2021-12-01T00:40:28.70 0.1 undecidable manual P 355 39.1275 50 -0.14 92
IV.LNSS.HHZ. 2021-12-01T00:40:27.79 0.1 undecidable manual P 172 33.744 50 -0.22 92
IV.CESI.HHZ. 2021-12-01T00:40:27.11 0.3 undecidable manual S 330 12.9759 130 -0.11 73
IV.ASSB.HHZ. 2021-12-01T00:40:27.82 0.3 undecidable manual P 300 30.6471 50 0.28 68
IV.MMO1.EHZ. 2021-12-01T00:40:27.04 0.1 undecidable manual P 91 27.75 50 -0.05 96
IV.CSP1.EHZ. 2021-12-01T00:40:27.04 0.6 undecidable manual P 40 27.3504 50 0 49
IV.NRCA.HHZ. 2021-12-01T00:40:27.05 0.3 undecidable manual S 127 13.0758 130 -0.18 72
IV.FOPC.HGZ. 2021-12-01T00:40:26.39 3.0 undecidable manual P 0
IV.MML1.EHZ. 2021-12-01T00:40:26.32 0.1 undecidable manual P 357 23.2545 50 -0.08 96
IV.FEMA.HNZ. 2021-12-01T00:40:26.26 0.3 undecidable manual S 39 8.2806 142 0.18 72
IV.GAVE.EHZ. 2021-12-01T00:40:26.54 0.1 undecidable manual P 198 24.6531 50 -0.08 96
IT.MTCL.HGZ. 2021-12-01T00:40:26.19 0.3 undecidable manual S 6 10.0788 137 -0.28 71
IV.MC2.EHZ. 2021-12-01T00:40:25.73 0.1 undecidable manual P 87 16.5723 123 0.42 91
IV.FDMO.HHZ. 2021-12-01T00:40:25.29 0.1 undecidable manual P 29 16.872 123 -0.08 97
IT.MTCL.HGZ. 2021-12-01T00:40:24.31 0.1 undecidable manual P 6 10.0788 137 0 100
IV.NRCA.HHZ. 2021-12-01T00:40:24.74 0.1 undecidable manual P 127 13.0758 130 -0.01 99
IV.CESI.HHZ. 2021-12-01T00:40:24.78 0.1 undecidable manual P 330 12.9759 130 0.04 99
IV.FEMA.HNZ. 2021-12-01T00:40:24.31 0.1 undecidable manual P 39 8.2806 142 0.23 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0002395 0.34 AML other m 2021-12-01T00:40:27.10
IV.CESI.HHE. ML:1.1 0.0001236 0.16 AML other m 2021-12-01T00:40:27.33
IV.CESI.HHN. ML:1.3 0.0001915 0.38 AML other m 2021-12-01T00:40:27.33
IV.NRCA.HHE. ML:1.2 0.000146 0.68 AML other m 2021-12-01T00:40:27.39
IV.FDMO.HHN. ML:1.4 0.000203 0.42 AML other m 2021-12-01T00:40:28.44
IV.FDMO.HHE. ML:1.6 0.00034399999999999996 0.32 AML other m 2021-12-01T00:40:28.19
IV.MML1.EHN. ML:1.3 0.00011999999999999999 0.96 AML other m 2021-12-01T00:40:30.10
IV.MML1.EHE. ML:1.3 0.00013350000000000002 0.12 AML other m 2021-12-01T00:40:30.20
IV.GAVE.EHN. ML:1.0 0.00006429999999999999 0.42 AML other m 2021-12-01T00:40:30.41
IV.GAVE.EHE. ML:1.2 0.000101 0.24 AML other m 2021-12-01T00:40:30.72
IV.LNSS.HHE. ML:1.1 0.000050299999999999996 1.16 AML other m 2021-12-01T00:40:33.96
IV.LNSS.HHN. ML:1.1 0.00005435 0.82 AML other m 2021-12-01T00:40:35.37
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