Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 05-02-2023 and time 21:10:26 (Italy) in region 1 km NW Gubbio (PG)

A magnitude ML 0.8 earthquake occured in region: 1 km NW Gubbio (PG), on

  • 05-02-2023 20:10:26 (UTC)
  • 05-02-2023 21:10:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3630, 12.5760 at 3 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
Gubbio PG 1 32216 32216
Scheggia e Pascelupo PG 9 1393 33609
Costacciaro PG 11 1216 34825
Cantiano PU 13 2245 37070
Sigillo PG 14 2404 39474
Pietralunga PG 14 2111 41585
Fossato di Vico PG 17 2840 44425

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
46 Km N of Foligno (57155 inhabitants)
57 Km E of Arezzo (99543 inhabitants)
64 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
78 Km S of Rimini (147750 inhabitants)
81 Km W of Ancona (100861 inhabitants)
89 Km N of Terni (111501 inhabitants)
90 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 0.8 2023-02-05
20:10:26		 43.3627 12.5757 3 2023-02-05
20:20:41		 Sala Sismica INGV-Roma 114107901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-05 20:10:26 ± 0.08
Latitude 43.3627 ± 0.0027
Longitude 12.5757 ± 0.0037
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114107901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 13
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 165
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 114107901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-05 20:20:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2023-02-05T20:12:01.12 3.0 undecidable manual Sn -0.62 0
IV.ACATE.EHZ. 2023-02-05T20:11:57.42 3.0 undecidable manual Pg 18.83 0
IV.SALB.HHZ. 2023-02-05T20:11:49.38 3.0 undecidable manual Sn 0.33 0
ST.PANI.EHZ. 2023-02-05T20:11:42.65 3.0 undecidable manual Sn -2.09 0
1J.FX11.HHZ. 2023-02-05T20:11:42.72 3.0 negative manual Pg 17.17 0
IV.CMDO.HHZ. 2023-02-05T20:11:39.87 3.0 positive manual Pg 7.53 0
IV.IVPL.HHZ. 2023-02-05T20:11:27.31 3.0 undecidable manual Pg 6.53 0
IV.EPOZ.HHZ. 2023-02-05T20:11:26.11 3.0 undecidable manual Pn -4.57 0
IV.TRIF.CHZ. 2023-02-05T20:11:13.34 3.0 undecidable manual Sg 0.25 0
IV.NARO.HHZ. 2023-02-05T20:10:36.28 0.6 undecidable manual S 1 27.5502 96 0.63 42
IV.ATCC.EHZ. 2023-02-05T20:10:33.34 0.3 undecidable manual S 165 20.3685 98 0.17 72
IV.PIEI.HHZ. 2023-02-05T20:10:33.01 0.6 undecidable manual S 350 19.4694 99 0.14 48
IV.FRON.EHZ. 2023-02-05T20:10:33.51 0.6 undecidable manual S 35 21.0678 98 0.1 48
IV.ATPI.HNN. 2023-02-05T20:10:32.32 0.6 undecidable manual S 305 17.0718 100 0.28 47
IV.SSFR.HHZ. 2023-02-05T20:10:32.56 0.6 undecidable manual S 64 18.5703 99 0.01 50
IV.NARO.HHZ. 2023-02-05T20:10:32.18 1.0 negative manual P 1 27.5502 96 0.6 21
IV.TSM3.DHE.01 2023-02-05T20:10:32.54 0.3 undecidable manual S 277 17.871 100 0.21 71
IV.TB03.DHZ. 2023-02-05T20:10:31.21 3.0 undecidable manual S 0
IV.ATLO.EHE. 2023-02-05T20:10:31.32 0.6 undecidable manual S 249 14.5743 102 0.13 49
IV.ATVO.HNE. 2023-02-05T20:10:31.05 0.6 undecidable manual S 279 13.7751 102 0.11 49
IV.MURB.HHZ. 2023-02-05T20:10:30.76 0.6 undecidable manual S 200 11.7771 104 0.5 45
IV.FRON.EHZ. 2023-02-05T20:10:30.04 0.6 positive manual P 35 21.0678 98 -0.25 47
IV.ATCC.EHZ. 2023-02-05T20:10:30.27 0.1 undecidable manual P 165 20.3685 98 0.12 97
IV.TB01.DHN.01 2023-02-05T20:10:30.50 0.6 undecidable manual S 281 11.4774 105 0.35 47
IV.TB02.DHZ.01 2023-02-05T20:10:30.94 0.6 undecidable manual S 274 13.4754 103 0.13 49
IV.PIEI.HHZ. 2023-02-05T20:10:29.96 1.0 undecidable manual P 350 19.4694 99 -0.02 25
IV.TSM2.DHE.01 2023-02-05T20:10:29.06 0.6 undecidable manual S 298 7.881 111 0.11 49
IV.ATPI.HNN. 2023-02-05T20:10:29.28 0.1 undecidable manual P 305 17.0718 100 -0.22 95
IV.SSFR.HHZ. 2023-02-05T20:10:29.64 1.0 positive manual P 64 18.5703 99 -0.16 24
IV.TSM3.DHE.01 2023-02-05T20:10:29.51 0.1 undecidable manual P 277 17.871 100 -0.16 96
IV.TB01.DHN.01 2023-02-05T20:10:28.39 0.1 undecidable manual P 281 11.4774 105 -0.02 100
IV.ATVO.HNE. 2023-02-05T20:10:28.60 0.1 undecidable manual P 279 13.7751 102 -0.26 95
IV.TB02.DHZ.01 2023-02-05T20:10:28.58 0.1 undecidable manual P 274 13.4754 103 -0.21 96
IV.MURB.HHZ. 2023-02-05T20:10:28.42 0.1 undecidable manual P 200 11.7771 104 -0.05 99
IV.ATLO.EHE. 2023-02-05T20:10:28.80 0.1 undecidable manual P 249 14.5743 102 -0.22 96
IV.ATFO.HNN. 2023-02-05T20:10:27.12 0.6 undecidable manual S 324 0.5994 170 0.01 51
IV.TSM2.DHE.01 2023-02-05T20:10:27.43 0.1 undecidable manual P 298 7.881 111 -0.29 95
IV.ATFO.HNN. 2023-02-05T20:10:26.46 0.1 undecidable manual P 324 0.5994 170 -0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.4 0.0003555 0.22 AML other m 2023-02-05T20:10:31.15
IV.MURB.HHE. ML:1.2 0.0002235 0.26 AML other m 2023-02-05T20:10:31.73
IV.SSFR.HHE. ML:1.0 0.00008929999999999999 0.22 AML other m 2023-02-05T20:10:33.17
IV.SSFR.HHN. ML:0.9 0.0000719 0.48 AML other m 2023-02-05T20:10:33.93
IV.PIEI.HHE. ML:0.6 0.00003587501 0.2176 AML other m 2023-02-05T20:10:33.88
IV.PIEI.HHN. ML:0.5 0.000026893545000000002 0.1792 AML other m 2023-02-05T20:10:33.73
IV.FRON.EHE. ML:0.5 0.000024707674 0.2176 AML other m 2023-02-05T20:10:33.97
IV.FRON.EHN. ML:0.8 0.000057468060000000004 0.1024 AML other m 2023-02-05T20:10:33.67
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