Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 19-01-2021 and time 13:59:18 (Italy) in region 5 km NE Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 5 km NE Sellano (PG), on

  • 19-01-2021 12:59:18 (UTC)
  • 19-01-2021 13:59:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9190, 12.9720 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.

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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 7 724 1803
Monte Cavallo MC 9 145 1948
Visso MC 10 1107 3055
Cerreto di Spoleto PG 12 1075 4130
Ussita MC 14 444 4574
Castelsantangelo sul Nera MC 15 281 4855
Pieve Torina MC 16 1458 6313
Fiordimonte MC 16 202 6515
Norcia PG 17 4957 11472
Serravalle di Chienti MC 17 1070 12542
Pievebovigliana MC 19 866 13408
Vallo di Nera PG 19 364 13772
Trevi PG 19 8469 22241
Muccia MC 19 915 23156
Campello sul Clitunno PG 19 2442 25598
Fiastra MC 20 559 26157

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
90 Km NE of Viterbo (67173 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 0.7 2021-01-19
12:59:18		 42.9187 12.9717 11 2021-07-12
16:55:08		 Bollettino Sismico Italiano INGV 89364361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-19 12:59:18 ± 0.09
Latitude 42.9187 ± 0.0036
Longitude 12.9717 ± 0.0061
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89364361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 528
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 39
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26080
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 89364361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 16:16:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2021-01-19T12:59:50.27 0.6 undecidable manual S -2.04 0
IV.MMO1.HNZ. 2021-01-19T12:59:28.96 0.3 undecidable manual S 94 28.9488 50 0.06 73
IV.MC2.EHZ. 2021-01-19T12:59:26.34 1.0 undecidable manual S 93 17.6712 50 0.44 23
IV.FDMO.HHZ. 2021-01-19T12:59:25.32 0.3 undecidable manual S 36 16.0728 50 -0.16 73
IV.NRCA.HHZ. 2021-01-19T12:59:24.99 0.3 undecidable manual S 129 14.9739 50 -0.18 72
IV.MMO1.HNZ. 2021-01-19T12:59:24.56 0.3 undecidable manual P 94 28.9488 50 -0.04 73
IV.CESI.HHE. 2021-01-19T12:59:24.07 0.3 undecidable manual S 330 10.9779 135 -0.07 76
IV.FEMA.HNZ. 2021-01-19T12:59:23.55 0.3 undecidable manual S 53 7.9809 144 0.1 76
IT.MTCL.HGZ. 2021-01-19T12:59:23.59 0.3 undecidable manual S 15 8.6802 142 0 76
IV.NRCA.HHZ. 2021-01-19T12:59:22.40 0.1 undecidable manual P 129 14.9739 50 -0.04 100
IV.FDMO.HHZ. 2021-01-19T12:59:22.56 0.1 undecidable manual P 36 16.0728 50 -0.06 99
IV.MC2.EHZ. 2021-01-19T12:59:22.94 0.3 undecidable manual P 93 17.6712 50 0.08 74
IT.MTCL.HGZ. 2021-01-19T12:59:21.57 0.3 undecidable manual P 15 8.6802 142 0.04 76
IV.CESI.HHE. 2021-01-19T12:59:21.87 0.1 undecidable manual P 330 10.9779 135 0.02 100
IV.FEMA.HNZ. 2021-01-19T12:59:21.67 0.6 undecidable manual P 53 7.9809 144 0.22 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00008510000000000001 0.34 AML other m 2021-01-19T12:59:25.25
IV.NRCA.HHE. ML:0.7 0.00005069999999999999 0.56 AML other m 2021-01-19T12:59:25.11
IV.FDMO.HHN. ML:0.5 0.00002775 0.1 AML other m 2021-01-19T12:59:25.79
IV.FDMO.HHE. ML:0.5 0.000032149999999999995 0.34 AML other m 2021-01-19T12:59:26.20
IV.NRCA.HNE. ML:0.6 0.000037277465 0.0704 AML other m 2021-01-19T12:59:25.39
IV.NRCA.HNN. ML:1.1 0.00010381817499999999 0.1408 AML other m 2021-01-19T12:59:25.25
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