Earthquake with magnitude of ML 0.5 on date 18-02-2023 and time 14:38:03 (Italy) in region 6 km NE Sellano (PG)

A magnitude ML 0.5 earthquake occured in region: 6 km NE Sellano (PG), on

  • 18-02-2023 13:38:03 (UTC)
  • 18-02-2023 14:38:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9230, 12.9840 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.

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
Castelsantangelo sul Nera MC 14 281 4855
Pieve Torina MC 15 1458 6313
Fiordimonte MC 15 202 6515
Serravalle di Chienti MC 17 1070 7585
Norcia PG 17 4957 12542
Pievebovigliana MC 18 866 13408
Muccia MC 18 915 14323
Fiastra MC 19 559 14882
Acquacanina MC 20 121 15003
Vallo di Nera PG 20 364 15367
Trevi PG 20 8469 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)
53 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
72 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 0.5 2023-02-18
13:38:03
42.9232 12.9845 11 2023-02-18
13:49:40
Sala Sismica INGV-Roma 114548711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-18 13:38:03 ± 0.06
Latitude 42.9232 ± 0.0018
Longitude 12.9845 ± 0.0061
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114548711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 269
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 114548711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-18 13:49:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IY.OPPI.HHZ. 2023-02-18T13:39:23.99 3.0 negative manual Pg 11.28 0
GU.CANO.HHZ. 2023-02-18T13:39:19.20 3.0 undecidable manual Sn -8.03 0
AC.PUK.HHZ. 2023-02-18T13:39:15.66 3.0 undecidable manual Pn -4.07 0
IV.ORI.HHZ. 2023-02-18T13:39:07.67 3.0 undecidable manual Pg 10.42 0
OX.FUSE.HHZ. 2023-02-18T13:39:04.52 3.0 undecidable manual Pg 10.98 0
OX.CLUD.HHZ. 2023-02-18T13:39:03.38 3.0 undecidable manual Pg 9.43 0
OX.CIMO.HHZ. 2023-02-18T13:39:00.56 3.0 undecidable manual Pg 8.97 0
CR.HVAR.HHZ. 2023-02-18T13:38:50.84 3.0 undecidable manual Pg 6.36 0
GU.CANO.HHZ. 2023-02-18T13:38:48.49 3.0 negative manual Pg 2.44 0
OT.OT12.EHZ. 2023-02-18T13:38:38.76 3.0 positive manual Pn -2.4 0
IV.GUMA.HHZ. 2023-02-18T13:38:35.15 3.0 undecidable manual S 6.66 0
IV.CFMN.HNZ. 2023-02-18T13:38:30.48 3.0 undecidable manual Pg -1.71 0
IV.PAOL.HHZ. 2023-02-18T13:38:29.82 3.0 undecidable manual Pg -3.73 0
IV.LNSS.HHN. 2023-02-18T13:38:15.46 0.3 undecidable manual S 173 35.8419 90 0.05 71
IV.GAVE.HNE. 2023-02-18T13:38:13.02 0.3 undecidable manual S 196 26.6511 90 0.06 72
IV.MML1.EHZ. 2023-02-18T13:38:11.52 0.3 undecidable manual S 357 21.1677 90 0.03 74
IV.MC2.EHZ. 2023-02-18T13:38:10.68 0.3 undecidable manual S 94 16.6722 90 0.38 69
IV.LNSS.HHN. 2023-02-18T13:38:10.28 0.6 undecidable manual P 173 35.8419 90 -0.05 48
IV.FDMO.HHZ. 2023-02-18T13:38:09.67 0.3 undecidable manual S 34 15.0738 90 -0.2 72
IV.NRCA.HHZ. 2023-02-18T13:38:09.61 0.1 undecidable manual S 133 14.4744 90 -0.11 98
IV.MML1.EHZ. 2023-02-18T13:38:08.06 0.6 undecidable manual P 357 21.1677 90 -0.01 49
IV.GAVE.HNE. 2023-02-18T13:38:08.73 0.3 undecidable manual P 196 26.6511 90 -0.19 71
IV.FEMA.HNN. 2023-02-18T13:38:08.14 0.3 undecidable manual S 51 6.7932 137 0.23 73
IV.CSNT.HHZ. 2023-02-18T13:38:08.14 3.0 positive manual P -7.33 0
IV.CESI.HHZ. 2023-02-18T13:38:08.90 0.3 undecidable manual S 324 11.1777 113 0.05 75
IV.NRCA.HHZ. 2023-02-18T13:38:07.04 0.1 undecidable manual P 133 14.4744 90 0 100
IV.FDMO.HHZ. 2023-02-18T13:38:07.18 0.1 undecidable manual P 34 15.0738 90 0.05 99
IV.MC2.EHZ. 2023-02-18T13:38:07.05 0.3 undecidable manual P 94 16.6722 90 -0.33 70
IT.MTCL.HGN. 2023-02-18T13:38:07.87 0.1 undecidable manual S 9 7.881 131 -0.25 96
IV.CESI.HHZ. 2023-02-18T13:38:06.59 0.1 undecidable manual P 324 11.1777 113 0.05 100
IT.MTCL.HGN. 2023-02-18T13:38:06.24 0.6 undecidable manual P 9 7.881 131 0.12 49
IV.FEMA.HNN. 2023-02-18T13:38:06.30 0.6 undecidable manual P 51 6.7932 137 0.3 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 0.00002785 0.08 AML other m 2023-02-18T13:38:09.11
IV.CESI.HHN. ML:0.5 0.00003585 0.26 AML other m 2023-02-18T13:38:09.36
IV.NRCA.HHN. ML:0.7 0.00004655 0.1 AML other m 2023-02-18T13:38:09.74
IV.FDMO.HHN. ML:0.7 0.00004315 0.2 AML other m 2023-02-18T13:38:09.94
IV.FDMO.HHE. ML:0.7 0.000043299999999999995 1.74 AML other m 2023-02-18T13:38:10.95
IV.NRCA.HHE. ML:0.6 0.000038150000000000006 0.1 AML other m 2023-02-18T13:38:10.55
IV.MC2.EHE. ML:0.5 0.0000226171 0.2176 AML other m 2023-02-18T13:38:13.16
IV.MC2.EHN. ML:0.2 0.000015385050000000013 0.1216 AML other m 2023-02-18T13:38:11.76
IV.MML1.EHE. ML:0.5 0.000021082915000000002 0.1792 AML other m 2023-02-18T13:38:11.78
IV.MML1.EHN. ML:0.5 0.00001861848 0.16 AML other m 2023-02-18T13:38:11.83
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