Earthquake with magnitude of ML 0.5 on date 17-10-2023 and time 13:38:42 (Italy) in region 7 km E Scheggia e Pascelupo (PG)

A magnitude ML 0.5 earthquake occured in region: 7 km E Scheggia e Pascelupo (PG), on

  • 17-10-2023 11:38:42 (UTC)
  • 17-10-2023 13:38:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4230, 12.7570 at 14 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
Scheggia e Pascelupo PG 7 1393 1393
Serra Sant'Abbondio PU 8 1027 2420
Costacciaro PG 8 1216 3636
Sassoferrato AN 8 7285 10921
Sigillo PG 10 2404 13325
Frontone PU 10 1300 14625
Cantiano PU 12 2245 16870
Fossato di Vico PG 14 2840 19710
Genga AN 15 1797 21507
Fabriano AN 15 31480 52987
Gubbio PG 16 32216 85203
Cagli PU 16 8731 93934
Pergola PU 17 6333 100267
Arcevia AN 17 4612 104879

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Perugia (166134 inhabitants)
52 Km SW of Fano (60888 inhabitants)
52 Km N of Foligno (57155 inhabitants)
56 Km S of Pesaro (94582 inhabitants)
65 Km W of Ancona (100861 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
73 Km S of Rimini (147750 inhabitants)
90 Km SE of Cesena (96758 inhabitants)
96 Km N of Terni (111501 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 2023-10-17
11:38:42
43.4228 12.7568 14 2023-10-17
11:44:59
Sala Sismica INGV-Roma 122149591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-17 11:38:42 ± 0.06
Latitude 43.4228 ± 0.0018
Longitude 12.7568 ± 0.0062
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122149591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 241
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 235
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20594
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 122149591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-17 11:44:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-10-17T11:39:04.07 1.0 undecidable manual S -2.52 0
IV.TSM1.DHE.01 2023-10-17T11:38:48.84 0.3 undecidable manual S 236 15.4734 116 0.04 74
IV.MPAG.EHZ. 2023-10-17T11:38:47.06 0.1 undecidable manual P 1 22.8549 103 0.04 98
IV.FRON.EHZ. 2023-10-17T11:38:47.75 0.3 undecidable manual S 347 10.7781 130 -0.01 75
IV.PIEI.HHZ. 2023-10-17T11:38:46.87 0.3 positive manual P 305 21.7671 104 0.01 74
IV.FRON.EHZ. 2023-10-17T11:38:45.32 0.1 undecidable manual P 347 10.7781 130 -0.02 100
IV.TSM1.DHE.01 2023-10-17T11:38:45.92 0.1 undecidable manual P 236 15.4734 116 -0.02 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.5 0.00003145 0.2 AML other m 2023-10-17T11:38:47.79
IV.FRON.EHN. ML:0.5 0.00003505 1.18 AML other m 2023-10-17T11:38:48.31
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