Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 23-02-2022 and time 20:36:25 (Italy) in region 6 km NE Sellano (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km NE Sellano (PG), on

  • 23-02-2022 19:36:25 (UTC)
  • 23-02-2022 20:36:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9250, 12.9890 at 10 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 6 1079 1079
Preci PG 7 724 1803
Monte Cavallo MC 8 145 1948
Visso MC 8 1107 3055
Ussita MC 13 444 3499
Cerreto di Spoleto PG 13 1075 4574
Castelsantangelo sul Nera MC 14 281 4855
Pieve Torina MC 14 1458 6313
Fiordimonte MC 15 202 6515
Serravalle di Chienti MC 17 1070 7585
Norcia PG 17 4957 12542
Pievebovigliana MC 17 866 13408
Muccia MC 18 915 14323
Fiastra MC 19 559 14882
Acquacanina MC 19 121 15003
Vallo di Nera PG 20 364 15367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
53 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
92 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 1.2 2022-02-23
19:36:25		 42.925 12.9887 10 2022-07-08
12:33:33		 Bollettino Sismico Italiano INGV 101452031
Reviewed
Rev100 		ML 1.2 2022-02-23
19:36:25		 42.9293 12.9888 10 2022-02-23
19:52:03		 Sala Sismica INGV-Roma 101391011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-23 19:36:25 ± 0.05
Latitude 42.9250 ± 0.0027
Longitude 12.9887 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101452031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 313
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62233
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 101452031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-25 17:27:02

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 101391011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-23 19:52:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2022-02-23T19:38:09.42 3.0 undecidable manual Sg 11.36 0
MN.VAE.HHZ. 2022-02-23T19:37:56.06 3.0 undecidable manual Pg 11.39 0
OX.DRE.HHZ. 2022-02-23T19:37:40.31 3.0 undecidable manual Sn -9.99 0
IV.MCRV.HHZ. 2022-02-23T19:37:39.71 3.0 undecidable manual Sg 1.02 0
MN.TRI.HHZ. 2022-02-23T19:37:37.28 3.0 undecidable manual Sg -4.24 0
SI.MOSI.HHZ. 2022-02-23T19:37:18.12 3.0 undecidable manual Pg -5.75 0
OX.DRE.HHZ. 2022-02-23T19:37:04.04 3.0 undecidable manual Pn -9.34 0
SI.BOSI.HHZ. 2022-02-23T19:37:01.16 3.0 undecidable manual Pn -9.99 0
IV.TOLF.HHZ. 2022-02-23T19:36:56.73 3.0 undecidable manual Sg -1.98 0
IV.PTRJ.HHZ. 2022-02-23T19:36:55.94 3.0 undecidable manual Pg 0.54 0
IV.FRON.EHZ. 2022-02-23T19:36:46.75 0.1 undecidable manual S 342 69.0753 50 0.58 78
IV.CING.HHZ. 2022-02-23T19:36:42.16 0.3 undecidable manual S 18 52.7028 50 0.36 64
IV.EL6.EHZ. 2022-02-23T19:36:40.15 0.3 undecidable manual S 11 45.8208 50 0.2 67
IV.GIUL.HHZ. 2022-02-23T19:36:39.33 3.0 undecidable manual Pn -8.09 0
IV.ATCC.EHZ. 2022-02-23T19:36:38.80 0.3 undecidable manual S 316 40.4262 50 0.29 67
IV.MOMA.HHZ. 2022-02-23T19:36:37.91 0.3 undecidable manual S 249 36.6411 50 0.41 66
IV.FRON.EHZ. 2022-02-23T19:36:37.22 0.1 undecidable manual P 342 69.0753 50 -0.04 89
IV.SNTG.HHZ. 2022-02-23T19:36:37.51 0.3 undecidable manual S 354 36.8298 50 -0.04 71
IV.LNSS.HHZ. 2022-02-23T19:36:37.45 0.3 undecidable manual S 173 35.9418 50 0.12 70
IV.GUMA.HHZ. 2022-02-23T19:36:36.74 0.3 undecidable manual S 61 32.0457 50 0.47 65
IV.ASSB.HHZ. 2022-02-23T19:36:35.20 0.3 undecidable manual S 296 29.748 50 -0.47 65
IV.PF6.EHZ. 2022-02-23T19:36:35.33 0.1 undecidable manual S 35 28.9488 50 -0.11 94
IV.CING.HHZ. 2022-02-23T19:36:34.66 0.1 undecidable manual P 18 52.7028 50 -0.07 91
IV.GAVE.HNZ. 2022-02-23T19:36:34.90 0.1 undecidable manual S 197 26.9508 50 -0.02 97
7F.SIB2.EHZ. 2022-02-23T19:36:34.26 0.1 undecidable manual S 98 25.8519 50 -0.38 90
IV.CSP1.EHZ. 2022-02-23T19:36:34.32 0.3 undecidable manual S 43 25.4523 50 -0.21 70
7F.SIB1.EHZ. 2022-02-23T19:36:33.89 0.3 undecidable manual S 98 23.0547 114 0.04 73
IV.EL6.EHZ. 2022-02-23T19:36:33.51 0.1 undecidable manual P 11 45.8208 50 -0.15 91
7F.SIB3.EHZ. 2022-02-23T19:36:33.75 0.3 undecidable manual S 104 23.5542 113 -0.23 70
IV.LNSS.HHZ. 2022-02-23T19:36:32.11 0.1 undecidable manual P 173 35.9418 50 -0.04 95
IV.MML1.HNZ. 2022-02-23T19:36:32.92 0.3 undecidable manual S 356 20.9679 116 -0.25 70
IV.MOMA.HHZ. 2022-02-23T19:36:32.48 0.1 undecidable manual P 249 36.6411 50 0.23 91
IV.ATCC.EHZ. 2022-02-23T19:36:32.85 0.1 undecidable manual P 316 40.4262 50 0.02 94
IV.MC2.EHZ. 2022-02-23T19:36:32.39 0.3 undecidable manual S 95 16.3725 122 0.62 64
IV.SNTG.HHZ. 2022-02-23T19:36:32.07 0.1 undecidable manual P 354 36.8298 50 -0.21 91
IV.NRCA.HHZ. 2022-02-23T19:36:31.20 0.3 undecidable manual S 135 14.3745 125 0 74
IV.ASSB.HHZ. 2022-02-23T19:36:31.26 0.1 undecidable manual P 296 29.748 50 0.06 95
IV.GUMA.HHZ. 2022-02-23T19:36:31.68 0.1 undecidable manual P 61 32.0457 50 0.14 93
IV.FDMO.HHZ. 2022-02-23T19:36:31.05 0.3 undecidable manual S 33 14.7741 125 -0.25 70
IV.CSP1.EHZ. 2022-02-23T19:36:30.34 0.1 undecidable manual P 43 25.4523 50 -0.19 93
7F.SIB3.EHZ. 2022-02-23T19:36:30.25 0.3 undecidable manual P 104 23.5542 113 0.03 73
IV.CESI.HHZ. 2022-02-23T19:36:30.25 0.3 undecidable manual S 322 11.1777 132 -0.09 73
IV.GAVE.HNZ. 2022-02-23T19:36:30.00 0.1 undecidable manual P 197 26.9508 50 -0.76 79
IV.PF6.EHZ. 2022-02-23T19:36:30.82 0.1 undecidable manual P 35 28.9488 50 -0.24 92
7F.SIB2.EHZ. 2022-02-23T19:36:30.52 0.1 undecidable manual P 98 25.8519 50 -0.07 96
7F.SIB1.EHZ. 2022-02-23T19:36:30.11 0.1 undecidable manual P 98 23.0547 114 -0.03 97
IT.MTCL.HGZ. 2022-02-23T19:36:29.20 0.3 undecidable manual S 7 7.6812 143 -0.31 70
IV.MC2.EHZ. 2022-02-23T19:36:29.32 0.1 undecidable manual P 95 16.3725 122 0.38 91
IV.FEMA.HNZ. 2022-02-23T19:36:29.37 0.3 undecidable manual S 50 6.4935 148 0.1 74
IV.MML1.HNZ. 2022-02-23T19:36:29.64 0.3 undecidable manual P 356 20.9679 116 -0.11 72
IV.FDMO.HHZ. 2022-02-23T19:36:28.65 0.1 undecidable manual P 33 14.7741 125 -0.02 99
IV.NRCA.HHZ. 2022-02-23T19:36:28.68 0.1 undecidable manual P 135 14.3745 125 0.06 98
IV.CESI.HHZ. 2022-02-23T19:36:28.21 0.1 undecidable manual P 322 11.1777 132 0.1 98
IT.MTCL.HGZ. 2022-02-23T19:36:27.65 0.1 undecidable manual P 7 7.6812 143 0.01 100
IV.FEMA.HNZ. 2022-02-23T19:36:27.71 0.1 undecidable manual P 50 6.4935 148 0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.0 0.00011498833 0.1152 AML other m 2022-02-23T19:36:30.30
IV.CESI.HHN. ML:1.2 0.00020811659999999999 0.3328 AML other m 2022-02-23T19:36:30.46
IV.FDMO.HHE. ML:1.6 0.0003628916 0.1408 AML other m 2022-02-23T19:36:31.18
IV.NRCA.HHN. ML:1.4 0.0002463092 0.128 AML other m 2022-02-23T19:36:31.35
IV.FDMO.HHN. ML:1.5 0.00028376605 0.1664 AML other m 2022-02-23T19:36:31.44
IV.NRCA.HHE. ML:1.2 0.00017601985000000002 0.1024 AML other m 2022-02-23T19:36:31.53
IV.LNSS.HHE. ML:1.1 0.0000523 0.62 AML other m 2022-02-23T19:36:37.89
IV.SNTG.HHE. ML:1.1 0.00004635 0.44 AML other m 2022-02-23T19:36:37.81
IV.LNSS.HHN. ML:1.2 0.00006235 0.2 AML other m 2022-02-23T19:36:37.92
IV.SNTG.HHN. ML:1.1 0.0000494 0.1 AML other m 2022-02-23T19:36:37.87
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