Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 08-02-2024 and time 23:07:07 (UTC) in region 4 km SW Costacciaro (PG)

A magnitude ML 0.5 earthquake occured in region: 4 km SW Costacciaro (PG), on

  • 08-02-2024 23:07:07 (UTC)
  • 09-02-2024 00:07:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3370, 12.6740 at 9 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
Costacciaro PG 4 1216 1216
Sigillo PG 6 2404 3620
Scheggia e Pascelupo PG 8 1393 5013
Gubbio PG 8 32216 37229
Fossato di Vico PG 9 2840 40069
Gualdo Tadino PG 15 15208 55277
Cantiano PU 16 2245 57522
Sassoferrato AN 19 7285 64807
Fabriano AN 19 31480 96287
Serra Sant'Abbondio PU 19 1027 97314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
42 Km N of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
75 Km W of Ancona (100861 inhabitants)
81 Km S of Rimini (147750 inhabitants)
86 Km N of Terni (111501 inhabitants)
96 Km SE of Cesena (96758 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 2024-02-08
23:07:07		 43.3373 12.6735 9 2024-02-08
23:24:17		 Sala Sismica INGV-Roma 125140431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-08 23:07:07 ± 0.06
Latitude 43.3373 ± 0.0027
Longitude 12.6735 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125140431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 229
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
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) 0.07644
Epicentral distance of station farthest from the epicenter (degree) 0.59715
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 125140431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-08 23:24:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HNZ. 2024-02-08T23:07:27.85 0.6 undecidable manual S 147 66.2781 50 0.2 58
IV.NRCA.HNZ. 2024-02-08T23:07:19.00 1.0 undecidable manual P 147 66.2781 50 0.06 30
IV.NARO.HHZ. 2024-02-08T23:07:18.28 0.6 undecidable manual S 346 31.2465 50 0 65
IV.ARVD.HHZ. 2024-02-08T23:07:16.88 0.6 undecidable manual S 50 27.9498 108 -0.35 60
IV.ATVO.HHZ. 2024-02-08T23:07:15.27 0.6 undecidable manual S 283 22.0668 112 -0.04 65
IV.FRON.EHZ. 2024-02-08T23:07:14.84 0.6 undecidable manual S 12 20.4684 114 0.06 65
IV.SSFR.HHZ. 2024-02-08T23:07:13.12 0.6 undecidable manual S 39 14.0748 123 0.3 63
IV.ATCC.EHZ. 2024-02-08T23:07:13.67 0.6 undecidable manual S 189 17.0718 118 -0.07 65
IV.NARO.HHZ. 2024-02-08T23:07:13.22 0.6 undecidable manual P 346 31.2465 50 -0.31 61
IV.ARVD.HHZ. 2024-02-08T23:07:12.74 1.0 undecidable manual P 50 27.9498 108 -0.18 31
IV.ASSB.HHZ. 2024-02-08T23:07:12.44 3.0 undecidable manual P 32.745 -1.32 0
IV.FOSV.EHZ. 2024-02-08T23:07:11.14 0.6 undecidable manual S 124 8.4804 137 -0.19 65
IV.FRON.EHZ. 2024-02-08T23:07:11.58 1.0 undecidable manual P 12 20.4684 114 0.07 33
IV.ATVO.HHZ. 2024-02-08T23:07:11.88 0.6 undecidable manual P 283 22.0668 112 0.07 65
IV.SSFR.HHZ. 2024-02-08T23:07:10.64 0.6 positive manual P 39 14.0748 123 0.27 63
IV.ATCC.EHZ. 2024-02-08T23:07:10.90 0.6 undecidable manual P 189 17.0718 118 -0.01 66
IV.FOSV.EHZ. 2024-02-08T23:07:09.56 0.3 undecidable manual P 124 8.4804 137 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.5 0.0000453 0.22 AML other m 2024-02-08T23:07:11.27
IV.FOSV.EHE. ML:0.5 0.000047550000000000004 0.36 AML other m 2024-02-08T23:07:11.29
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