Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.1 on date 26-12-2023 and time 21:23:12 (Italy) in region 6 km W Fossato di Vico (PG)

A magnitude ML 0.1 earthquake occured in region: 6 km W Fossato di Vico (PG), on

  • 26-12-2023 20:23:12 (UTC)
  • 26-12-2023 21:23:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2780, 12.6870 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
Fossato di Vico PG 6 2840 2840
Sigillo PG 8 2404 5244
Costacciaro PG 9 1216 6460
Gualdo Tadino PG 10 15208 21668
Gubbio PG 12 32216 53884
Scheggia e Pascelupo PG 14 1393 55277
Valfabbrica PG 15 3389 58666
Fabriano AN 19 31480 90146

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Perugia (166134 inhabitants)
36 Km N of Foligno (57155 inhabitants)
68 Km E of Arezzo (99543 inhabitants)
69 Km SW of Fano (60888 inhabitants)
73 Km S of Pesaro (94582 inhabitants)
77 Km W of Ancona (100861 inhabitants)
80 Km N of Terni (111501 inhabitants)
88 Km S of Rimini (147750 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 0.1 2023-12-26
20:23:12		 43.2777 12.6872 12 2023-12-26
20:28:24		 Sala Sismica INGV-Roma 124285371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-26 20:23:12 ± 0.09
Latitude 43.2777 ± 0.0045
Longitude 12.6872 ± 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 124285371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 486
Semi-minor axis of confidence ellipse (meter) 237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 124285371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-26 20:28:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-12-26T20:23:29.18 3.0 undecidable manual S -0.44 0
IV.ARVD.HHZ. 2023-12-26T20:23:23.51 0.6 undecidable manual S 40 31.9458 91 -0.14 48
IV.ASSB.HHZ. 2023-12-26T20:23:21.77 0.6 undecidable manual S 185 26.1516 92 -0.34 46
IV.SNTG.HHZ. 2023-12-26T20:23:20.89 0.6 undecidable manual S 97 20.6682 94 0.26 47
IV.SSFR.HNZ. 2023-12-26T20:23:20.40 0.6 undecidable manual S 24 19.1697 95 0.15 48
IV.ATSC.EHZ. 2023-12-26T20:23:19.34 0.6 undecidable manual S 360 16.2726 98 -0.12 49
IV.ARVD.HHZ. 2023-12-26T20:23:19.23 0.6 negative manual P 40 31.9458 91 0.22 46
IV.ATCC.EHZ. 2023-12-26T20:23:18.24 0.6 undecidable manual S 200 10.9779 119 0.12 50
IV.MURB.HHZ. 2023-12-26T20:23:18.59 0.6 undecidable manual S 263 13.1757 109 -0.09 49
IV.ASSB.HHZ. 2023-12-26T20:23:18.04 0.6 undecidable manual P 185 26.1516 92 -0.08 48
IV.ATFO.HHZ. 2023-12-26T20:23:18.74 0.6 undecidable manual S 317 13.5753 107 -0.03 50
IV.SNTG.HHZ. 2023-12-26T20:23:17.73 1.0 undecidable manual P 97 20.6682 94 0.46 23
IV.FOSV.EHZ. 2023-12-26T20:23:16.90 0.6 undecidable manual S 72 6.2937 142 -0.29 48
IV.ATSC.EHZ. 2023-12-26T20:23:16.55 0.1 undecidable manual P 360 16.2726 98 -0.04 100
IV.ATFO.HHZ. 2023-12-26T20:23:16.40 1.0 negative manual P 317 13.5753 107 0.21 24
IV.ATCC.EHZ. 2023-12-26T20:23:16.00 0.6 negative manual P 200 10.9779 119 0.18 49
IV.SSFR.HNZ. 2023-12-26T20:23:16.71 0.1 undecidable manual P 24 19.1697 95 -0.33 94
IV.MURB.HHZ. 2023-12-26T20:23:16.30 0.3 negative manual P 263 13.1757 109 0.16 73
IV.FOSV.EHZ. 2023-12-26T20:23:15.45 0.6 undecidable manual P 72 6.2937 142 0.18 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:-0.1 0.000011346954999999998 0.1152 AML other m 2023-12-26T20:23:17.93
IV.FOSV.EHN. ML:0.0 0.000016314995 0.1408 AML other m 2023-12-26T20:23:17.22
IV.ATFO.HHE. ML:0.0 0.000011224064000000001 0.1024 AML other m 2023-12-26T20:23:18.85
IV.ATFO.HHN. ML:0.0 0.000011965819499999998 0.0768 AML other m 2023-12-26T20:23:18.87
IV.ASSB.HHE. ML:0.3 0.00000846953145 0.1408 AML other m 2023-12-26T20:23:23.32
IV.ASSB.HHN. ML:0.3 0.000010507057 0.1536 AML other m 2023-12-26T20:23:22.53
IV.ARVD.HHE. ML:0.0 0.000005489113 0.064 AML other m 2023-12-26T20:23:24.19
IV.ARVD.HHN. ML:0.0 0.000004096662 0.1024 AML other m 2023-12-26T20:23:24.36
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