Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 18-02-2022 and time 01:07:58 (UTC) in region 6 km NE Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 6 km NE Sellano (PG), on

  • 18-02-2022 01:07:58 (UTC)
  • 18-02-2022 02:07:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9260, 12.9790 at 11 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.

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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 6 1079 1079
Preci PG 7 724 1803
Monte Cavallo MC 8 145 1948
Visso MC 9 1107 3055
Cerreto di Spoleto PG 13 1075 4130
Ussita MC 13 444 4574
Pieve Torina MC 15 1458 6032
Castelsantangelo sul Nera MC 15 281 6313
Fiordimonte MC 15 202 6515
Serravalle di Chienti MC 16 1070 7585
Pievebovigliana MC 18 866 8451
Norcia PG 18 4957 13408
Muccia MC 18 915 14323
Fiastra MC 19 559 14882
Trevi PG 20 8469 23351
Vallo di Nera PG 20 364 23715
Acquacanina MC 20 121 23836

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
91 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
Reviewed
Rev100 		ML 0.7 2022-02-18
01:07:58		 42.9262 12.979 11 2022-02-18
01:14:39		 Sala Sismica INGV-Roma 101100241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-18 01:07:58 ± 0.04
Latitude 42.9262 ± 0.0018
Longitude 12.9790 ± 0.0037
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 101100241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 220
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 254
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.33005
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 101100241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-18 01:14:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2022-02-18T01:08:10.30 0.6 undecidable manual S 172 36.2415 90 0.12 47
IV.SNTG.HHZ. 2022-02-18T01:08:10.63 0.3 undecidable manual S 355 36.6411 90 0.34 68
IV.ASSB.HHZ. 2022-02-18T01:08:08.08 0.6 undecidable manual S 297 29.0487 90 -0.19 48
IV.CSP1.EHZ. 2022-02-18T01:08:07.32 0.6 undecidable manual S 45 25.9518 90 -0.12 48
7F.SIB1.EHZ. 2022-02-18T01:08:07.08 0.6 undecidable manual S 98 23.8539 90 0.18 48
7F.SIB2.EHZ. 2022-02-18T01:08:07.53 0.6 undecidable manual S 98 26.6511 90 -0.11 48
IV.MC2.EHZ. 2022-02-18T01:08:05.33 0.3 undecidable manual S 95 17.1717 90 0.24 72
IV.SNTG.HHZ. 2022-02-18T01:08:05.20 1.0 undecidable manual P 355 36.6411 90 0.08 24
IV.MML1.EHZ. 2022-02-18T01:08:05.97 0.6 undecidable manual S 358 20.7681 90 -0.1 49
IV.FDMO.HHZ. 2022-02-18T01:08:04.32 0.6 undecidable manual S 36 15.0738 90 -0.22 48
IV.NRCA.HHZ. 2022-02-18T01:08:04.33 0.6 undecidable manual S 133 15.0738 90 -0.2 48
IV.LNSS.HHZ. 2022-02-18T01:08:04.98 0.1 undecidable manual P 172 36.2415 90 -0.08 95
7F.SIB1.EHZ. 2022-02-18T01:08:03.10 0.1 undecidable manual P 98 23.8539 90 -0.06 98
7F.SIB2.EHZ. 2022-02-18T01:08:03.35 0.1 undecidable manual P 98 26.6511 90 -0.24 94
IV.GAVE.HNZ. 2022-02-18T01:08:03.46 0.1 undecidable manual P 195 26.8509 90 -0.16 95
IV.CESI.HHZ. 2022-02-18T01:08:03.45 0.6 undecidable manual S 325 10.5783 116 0.06 50
IV.CSP1.EHZ. 2022-02-18T01:08:03.60 0.6 negative manual P 45 25.9518 90 0.12 48
IV.ASSB.HHZ. 2022-02-18T01:08:03.86 0.6 positive manual P 297 29.0487 90 -0.09 48
IV.MML1.EHZ. 2022-02-18T01:08:02.63 0.1 undecidable manual P 358 20.7681 90 -0.05 99
IV.MC2.EHZ. 2022-02-18T01:08:02.25 0.1 undecidable manual P 95 17.1717 90 0.13 98
IT.MTCL.HGZ. 2022-02-18T01:08:02.58 0.6 undecidable manual S 12 7.6812 132 -0.16 49
IV.FDMO.HHZ. 2022-02-18T01:08:01.88 0.1 undecidable manual P 36 15.0738 90 0.08 99
IV.NRCA.HHZ. 2022-02-18T01:08:01.78 0.1 undecidable manual P 133 15.0738 90 -0.02 100
IV.CESI.HHZ. 2022-02-18T01:08:01.37 0.3 undecidable manual P 325 10.5783 116 0.23 72
IT.MTCL.HGZ. 2022-02-18T01:08:00.87 0.1 undecidable manual P 12 7.6812 132 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00009191408000000001 0.1 AML other m 2022-02-18T01:08:04.40
IV.NRCA.HHE. ML:0.8 0.000058798425000000004 0.18 AML other m 2022-02-18T01:08:04.79
IV.CESI.HHE. ML:0.2 0.000018428575 0.06 AML other m 2022-02-18T01:08:04.84
IV.CESI.HHN. ML:0.3 0.000022560921 0.08 AML other m 2022-02-18T01:08:03.85
IV.NRCA.HNE. ML:0.8 0.00005970260500000001 0.1808 AML other m 2022-02-18T01:08:04.44
IV.NRCA.HNN. ML:1.1 0.00012284706 0.3208 AML other m 2022-02-18T01:08:04.45
IV.CSP1.EHE. ML:1.4 0.0001245908 0.38 AML other m 2022-02-18T01:08:08.19
IV.CSP1.EHN. ML:1.1 0.00007692543 0.22 AML other m 2022-02-18T01:08:08.11
IV.ASSB.HHE. ML:0.5 0.000015706069 0.06 AML other m 2022-02-18T01:08:08.39
IV.ASSB.HHN. ML:0.5 0.0000150465015 0.18 AML other m 2022-02-18T01:08:08.46
IV.SNTG.HHE. ML:0.0 0.000012829817 1.56 AML other m 2022-02-18T01:08:11.13
IV.SNTG.HHN. ML:0.0 0.0000080612675 0.24 AML other m 2022-02-18T01:08:10.95
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