Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 15-01-2023 and time 15:55:25 (Italy) in region 8 km N Sellano (PG)

A magnitude ML 0.8 earthquake occured in region: 8 km N Sellano (PG), on

  • 15-01-2023 14:55:25 (UTC)
  • 15-01-2023 15:55:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9590, 12.9040 at 9 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 8 1079 1079
Monte Cavallo MC 9 145 1224
Serravalle di Chienti MC 13 1070 2294
Preci PG 14 724 3018
Pieve Torina MC 15 1458 4476
Visso MC 15 1107 5583
Cerreto di Spoleto PG 16 1075 6658
Trevi PG 16 8469 15127
Foligno PG 16 57155 72282
Valtopina PG 17 1398 73680
Fiordimonte MC 18 202 73882
Muccia MC 18 915 74797
Campello sul Clitunno PG 19 2442 77239
Pievebovigliana MC 19 866 78105
Spello PG 19 8645 86750
Ussita MC 19 444 87194
Nocera Umbra PG 19 5839 93033

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
49 Km NE of Terni (111501 inhabitants)
73 Km W of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
99 Km S of Fano (60888 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 0.8 2023-01-15
14:55:25		 42.9592 12.9038 9 2024-03-01
17:17:53		 Bollettino Sismico Italiano INGV 113616401
Reviewed
Rev100 		ML 0.6 2023-01-15
14:55:25		 42.9587 12.9152 7 2023-01-15
15:02:32		 Sala Sismica INGV-Roma 113557611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-15 14:55:25 ± 0.07
Latitude 42.9592 ± 0.0027
Longitude 12.9038 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113616401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 370
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36962
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 113616401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-07 13:07:13

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 113557611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-15 15:02:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2023-01-15T14:57:01.58 3.0 undecidable manual Sn 3.05 0
IV.TDS.HHZ. 2023-01-15T14:56:37.95 3.0 undecidable manual Pg 11.25 0
IV.PAOL.HHZ. 2023-01-15T14:56:28.86 3.0 undecidable manual Sn -0.51 0
IV.CELB.HHZ. 2023-01-15T14:56:18.46 3.0 undecidable manual Sn -0.14 0
IV.GIUL.HHZ. 2023-01-15T14:56:09.44 3.0 undecidable manual S 2.45 0
IV.CAVE.HHZ. 2023-01-15T14:56:08.38 3.0 undecidable manual Pg 7.62 0
IV.BSSO.HHZ. 2023-01-15T14:56:03.26 3.0 undecidable manual Pg 8.03 0
IV.PAOL.HHZ. 2023-01-15T14:56:02.06 3.0 undecidable manual Pn 1.59 0
IV.VVLD.HHZ. 2023-01-15T14:56:01.65 3.0 undecidable manual S -1.05 0
IV.LNSS.HNZ. 2023-01-15T14:55:39.32 0.6 undecidable manual S 164 41.0256 50 -0.07 47
IV.GAVE.HNZ. 2023-01-15T14:55:36.30 0.6 undecidable manual S 182 29.6481 107 0.06 48
IV.CSP1.EHZ. 2023-01-15T14:55:35.78 0.6 undecidable manual S 59 28.4493 107 -0.08 48
IV.MC2.EHZ. 2023-01-15T14:55:34.56 0.6 undecidable manual S 103 23.754 111 0.25 47
IV.NRCA.HHZ. 2023-01-15T14:55:33.70 0.6 undecidable manual S 129 22.0668 112 -0.06 49
IV.LNSS.HNZ. 2023-01-15T14:55:33.39 0.3 undecidable manual P 164 41.0256 50 -0.13 70
IV.FDMO.HHZ. 2023-01-15T14:55:32.26 0.6 undecidable manual S 60 17.1717 118 0.04 50
IV.MML1.EHZ. 2023-01-15T14:55:32.62 0.6 undecidable manual S 18 17.9709 116 0.15 48
IV.GAVE.HNZ. 2023-01-15T14:55:31.82 0.3 undecidable manual P 182 29.6481 107 0.12 72
IV.CSP1.EHZ. 2023-01-15T14:55:31.37 0.3 undecidable manual P 59 28.4493 107 -0.11 72
IV.NRCA.HHZ. 2023-01-15T14:55:30.29 0.3 undecidable manual P 129 22.0668 112 0.02 74
IV.FEMA.HNZ. 2023-01-15T14:55:30.83 0.6 undecidable manual S 88 11.877 127 0.18 49
IV.MC2.EHZ. 2023-01-15T14:55:30.37 0.3 undecidable manual P 103 23.754 111 -0.21 71
IV.MML1.EHZ. 2023-01-15T14:55:29.65 0.3 undecidable manual P 18 17.9709 116 0.13 73
IV.FDMO.HHZ. 2023-01-15T14:55:29.47 0.1 undecidable manual P 60 17.1717 118 0.09 98
IT.MTCL.HGZ. 2023-01-15T14:55:29.51 0.6 undecidable manual S 64 8.6802 136 -0.31 48
IV.FEMA.HNZ. 2023-01-15T14:55:28.43 0.3 undecidable manual P 88 11.877 127 -0.05 75
IV.CESI.HHZ. 2023-01-15T14:55:28.81 0.3 undecidable manual S 1 5.0949 150 -0.26 73
IT.MTCL.HGZ. 2023-01-15T14:55:28.08 0.3 undecidable manual P 64 8.6802 136 0.08 75
IV.CESI.HHZ. 2023-01-15T14:55:27.67 0.1 undecidable manual P 1 5.0949 150 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.1 0.000237 0.24 AML other m 2023-01-15T14:55:29.05
IV.CESI.HHE. ML:0.9 0.000146 1.58 AML other m 2023-01-15T14:55:29.07
IV.MML1.EHE. ML:0.6 0.000033549999999999996 1.42 AML other m 2023-01-15T14:55:33.17
IV.MML1.EHN. ML:0.6 0.0000292 1.46 AML other m 2023-01-15T14:55:34.96
IV.NRCA.HHE. ML:0.6 0.000029879280000000002 0.1152 AML other m 2023-01-15T14:55:34.52
IV.NRCA.HHN. ML:0.6 0.00002426424 0.1536 AML other m 2023-01-15T14:55:34.92
IV.CSP1.EHN. ML:1.2 0.000080574425 2.688 AML other m 2023-01-15T14:55:41.88
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