Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 17-06-2023 and time 21:16:44 (UTC) in region 2 km W Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 2 km W Sellano (PG), on

  • 17-06-2023 21:16:44 (UTC)
  • 17-06-2023 23:16:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8970, 12.9060 at 12 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 2 1079 1079
Cerreto di Spoleto PG 9 1075 2154
Preci PG 11 724 2878
Trevi PG 13 8469 11347
Campello sul Clitunno PG 13 2442 13789
Monte Cavallo MC 13 145 13934
Vallo di Nera PG 15 364 14298
Visso MC 15 1107 15405
Foligno PG 18 57155 72560
Sant'Anatolia di Narco PG 19 564 73124
Norcia PG 19 4957 78081
Ussita MC 20 444 78525
Serravalle di Chienti MC 20 1070 79595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
48 Km E of Perugia (166134 inhabitants)
70 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 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 2023-06-17
21:16:44		 42.897 12.9062 12 2023-06-17
21:24:19		 Sala Sismica INGV-Roma 118498401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-17 21:16:44 ± 0.09
Latitude 42.8970 ± 0.0036
Longitude 12.9062 ± 0.0086
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118498401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 750
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23203
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.6
Num. used stations 6
Type of magnitude ML
Reference to an origin 118498401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-17 21:24:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2023-06-17T21:18:02.82 3.0 negative manual Pg 2.84 0
OX.MARN.HHZ. 2023-06-17T21:17:33.63 3.0 undecidable manual Sn -4.41 0
IV.MML1.EHZ. 2023-06-17T21:16:53.73 0.6 undecidable manual S 12 24.5532 93 0.15 49
IV.GAVE.EHZ. 2023-06-17T21:16:53.13 0.6 undecidable manual S 182 22.755 93 0.05 49
IV.FDMO.HHZ. 2023-06-17T21:16:52.52 0.6 undecidable manual S 43 21.3675 94 -0.18 47
IV.NRCA.HHZ. 2023-06-17T21:16:51.68 0.6 undecidable manual S 113 18.3705 96 -0.22 48
IV.CESI.HHZ. 2023-06-17T21:16:50.31 0.6 undecidable manual S 359 11.9769 115 0.05 50
IV.GAVE.EHZ. 2023-06-17T21:16:49.66 0.1 positive manual P 182 22.755 93 0.18 95
IV.MML1.EHZ. 2023-06-17T21:16:49.91 0.1 positive manual P 12 24.5532 93 0.15 97
IV.ASSB.HHZ. 2023-06-17T21:16:49.51 0.1 undecidable manual P 309 25.752 93 -0.43 92
IV.FDMO.HHZ. 2023-06-17T21:16:49.28 0.1 positive manual P 43 21.3675 94 0.02 100
IV.CESI.HHZ. 2023-06-17T21:16:48.07 0.6 undecidable manual P 359 11.9769 115 0.22 48
IV.NRCA.HHZ. 2023-06-17T21:16:48.61 1.0 undecidable manual P 113 18.3705 96 -0.19 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.8 0.000034 1.82 AML other m 2023-06-17T21:16:54.07
IV.MML1.EHN. ML:0.5 0.0000204 1.02 AML other m 2023-06-17T21:16:54.99
IV.ASSB.HHE. ML:0.4 0.0000161 0.58 AML other m 2023-06-17T21:16:54.56
IV.ASSB.HHN. ML:0.3 0.00001205 0.66 AML other m 2023-06-17T21:16:55.28
OX.MARN.HHN. ML:2.6 0.000034250000000000006 0.18 AML other m 2023-06-17T21:17:49.69
OX.MARN.HHE. ML:2.6 0.0000399 0.18 AML other m 2023-06-17T21:17:49.60
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