Earthquake with magnitude of ML 0.7 on date 07-10-2023 and time 23:10:02 (UTC) in region 4 km NW Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km NW Sellano (PG), on

  • 07-10-2023 23:10:02 (UTC)
  • 08-10-2023 01:10:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 12.8980 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.

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 4 1079 1079
Cerreto di Spoleto PG 11 1075 2154
Preci PG 12 724 2878
Monte Cavallo MC 12 145 3023
Trevi PG 13 8469 11492
Campello sul Clitunno PG 14 2442 13934
Visso MC 16 1107 15041
Vallo di Nera PG 16 364 15405
Foligno PG 16 57155 72560
Serravalle di Chienti MC 18 1070 73630
Pieve Torina MC 19 1458 75088
Valtopina PG 20 1398 76486

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
47 Km E of Perugia (166134 inhabitants)
72 Km W of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
93 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 2023-10-07
23:10:02
42.9137 12.8975 12 2023-10-07
23:23:06
Sala Sismica INGV-Roma 121872741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-07 23:10:02 ± 0.11
Latitude 42.9137 ± 0.0063
Longitude 12.8975 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121872741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 553
Semi-minor axis of confidence ellipse (meter) 486
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 192
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 190
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 121872741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-07 23:23:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-10-07T23:10:23.35 3.0 undecidable manual S -0.65 0
IV.ASSB.HHZ. 2023-10-07T23:10:10.81 0.3 undecidable manual S 307 24.0537 95 -0.14 77
IV.NRCA.HHZ. 2023-10-07T23:10:09.65 0.3 undecidable manual S 117 19.7691 98 -0.16 77
IV.FDMO.HHZ. 2023-10-07T23:10:09.83 0.3 undecidable manual S 48 20.5683 97 -0.19 78
IV.CSP1.EHZ. 2023-10-07T23:10:08.53 0.6 undecidable manual P 51 31.8459 93 0.14 48
IV.MML1.EHZ. 2023-10-07T23:10:07.18 0.6 positive manual P 15 22.9548 95 0.15 48
IV.CESI.HHZ. 2023-10-07T23:10:07.37 0.3 undecidable manual S 3 10.1787 126 -0.03 78
IV.ASSB.HHZ. 2023-10-07T23:10:07.16 0.1 negative manual P 307 24.0537 95 -0.04 100
IV.NRCA.HHZ. 2023-10-07T23:10:06.56 0.6 positive manual P 117 19.7691 98 0.03 50
IV.FDMO.HHZ. 2023-10-07T23:10:06.69 0.1 undecidable manual P 48 20.5683 97 0.03 100
IV.CESI.HHZ. 2023-10-07T23:10:05.42 0.6 undecidable manual P 3 10.1787 126 0.28 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.00006195 0.2 AML other m 2023-10-07T23:10:07.68
IV.CESI.HHE. ML:0.7 0.00005830000000000001 0.36 AML other m 2023-10-07T23:10:07.59
IV.NRCA.HHN. ML:0.7 0.0000346 1.3 AML other m 2023-10-07T23:10:09.84
IV.NRCA.HHE. ML:0.8 0.000038350000000000004 0.16 AML other m 2023-10-07T23:10:10.12
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