Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 23-01-2023 and time 06:19:54 (UTC) in region 4 km NW Gubbio (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km NW Gubbio (PG), on

  • 23-01-2023 06:19:54 (UTC)
  • 23-01-2023 07:19:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3730, 12.5400 at 7 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 4 32216 32216
Scheggia e Pascelupo PG 11 1393 33609
Pietralunga PG 11 2111 35720
Cantiano PU 13 2245 37965
Costacciaro PG 14 1216 39181
Sigillo PG 17 2404 41585
Montone PG 17 1680 43265
Umbertide PG 19 16681 59946
Fossato di Vico PG 20 2840 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
84 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
91 Km N of Terni (111501 inhabitants)
98 Km E of Siena (53903 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
Bulletin
Rev1000 		ML 1.3 2023-01-23
06:19:54		 43.3727 12.5397 7 2024-03-01
17:18:01		 Bollettino Sismico Italiano INGV 116062091
Reviewed
Rev100 		ML 1.2 2023-01-23
06:19:54		 43.3702 12.5395 7 2023-01-23
06:27:43		 Sala Sismica INGV-Roma 113739121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-23 06:19:54 ± 0.08
Latitude 43.3727 ± 0.0027
Longitude 12.5397 ± 0.0025
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116062091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 32
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 1
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
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) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.26260
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116062091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-04 12:36:48

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 113739121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-23 06:27:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMC.EHZ. 2023-01-23T06:20:04.53 0.3 undecidable manual S 287 29.1486 104 -0.4 67
IV.BADI.EHZ. 2023-01-23T06:20:04.76 0.3 undecidable manual S 303 28.2495 104 0.14 71
IV.FRON.EHZ. 2023-01-23T06:20:02.21 0.3 undecidable manual S 43 21.9669 108 -0.33 69
IV.SSFR.HHZ. 2023-01-23T06:20:02.12 0.3 undecidable manual S 70 20.7681 109 -0.02 73
IV.ATCC.EHZ. 2023-01-23T06:20:02.97 0.3 undecidable manual S 159 22.3554 108 0.32 69
IV.ATPI.EHZ. 2023-01-23T06:20:00.23 0.3 undecidable manual S 308 14.0748 117 0.24 71
IV.ATPC.HNZ. 2023-01-23T06:20:00.39 0.3 undecidable manual S 331 13.6752 118 0.5 67
IV.ATMC.EHZ. 2023-01-23T06:20:00.23 0.1 undecidable manual P 287 29.1486 104 -0.29 91
IV.BADI.EHZ. 2023-01-23T06:20:00.29 0.1 undecidable manual P 303 28.2495 104 -0.05 96
IV.TB03.DHZ.01 2023-01-23T06:19:59.12 0.3 undecidable manual S 287 10.878 124 0.07 74
IV.ATCC.EHZ. 2023-01-23T06:19:59.13 0.1 undecidable manual P 159 22.3554 108 -0.07 97
IV.ATVA.EHZ. 2023-01-23T06:19:59.14 0.1 undecidable manual P 243 23.0547 107 -0.2 94
IV.FRON.EHZ. 2023-01-23T06:19:59.00 0.1 undecidable manual P 43 21.9669 108 -0.14 95
IV.ATSC.EHZ. 2023-01-23T06:19:59.97 0.3 undecidable manual S 64 13.0758 119 0.26 71
IV.MURB.HHZ. 2023-01-23T06:19:59.63 0.3 undecidable manual S 186 12.1767 121 0.2 72
IV.ATLO.HNZ. 2023-01-23T06:19:59.48 0.3 undecidable manual S 239 12.4764 120 -0.02 74
IV.PIEI.HHZ. 2023-01-23T06:19:58.52 0.1 undecidable manual P 359 18.0708 112 0.11 96
IV.ATVO.HHZ. 2023-01-23T06:19:58.99 0.3 undecidable manual S 276 10.7781 124 -0.02 75
IV.SSFR.HHZ. 2023-01-23T06:19:58.74 0.1 undecidable manual P 70 20.7681 109 -0.17 95
IV.TB02.DHZ.01 2023-01-23T06:19:58.96 0.3 undecidable manual S 269 10.4784 125 0.03 75
IV.ATVO.HHZ. 2023-01-23T06:19:57.14 0.1 positive manual P 276 10.7781 124 0.04 99
IV.TB02.DHZ.01 2023-01-23T06:19:57.12 0.1 undecidable manual P 269 10.4784 125 0.06 99
IV.MURB.HHZ. 2023-01-23T06:19:57.42 0.1 positive manual P 186 12.1767 121 0.07 98
IV.ATLO.HNZ. 2023-01-23T06:19:57.39 0.1 undecidable manual P 239 12.4764 120 0 100
IV.TB03.DHZ.01 2023-01-23T06:19:57.16 0.1 undecidable manual P 287 10.878 124 0.03 99
IV.TSM2.DHZ. 2023-01-23T06:19:57.19 0.3 undecidable manual S 303 4.7952 147 -0.33 71
IV.ATPI.EHZ. 2023-01-23T06:19:57.72 0.1 undecidable manual P 308 14.0748 117 0.05 98
IV.ATSC.EHZ. 2023-01-23T06:19:57.66 0.1 undecidable manual P 64 13.0758 119 0.15 96
IV.ATPC.HNZ. 2023-01-23T06:19:57.85 0.1 undecidable manual P 331 13.6752 118 0.24 95
IV.TSM2.DHZ. 2023-01-23T06:19:56.20 0.1 undecidable manual P 303 4.7952 147 -0.05 100
IV.ATFO.HHZ. 2023-01-23T06:19:56.83 0.6 undecidable manual S 105 2.6973 160 -0.35 47
IV.ATFO.HHZ. 2023-01-23T06:19:55.94 0.1 undecidable manual P 105 2.6973 160 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.5 0.0004374865 0.2016 AML other m 2023-01-23T06:20:00.44
IV.MURB.HHE. ML:1.5 0.0004314322 0.24 AML other m 2023-01-23T06:20:00.20
IV.ATFO.HHN. ML:0.0 0.0009200216 0.1792 AML other m 2023-01-23T06:19:57.21
IV.ATFO.HHE. ML:0.0 0.0011202538 0.1824 AML other m 2023-01-23T06:19:57.47
IV.ATVO.HHE. ML:1.2 0.00022708105 0.3008 AML other m 2023-01-23T06:19:59.32
IV.ATVO.HHN. ML:1.1 0.00019441355 0.0992 AML other m 2023-01-23T06:19:59.33
IV.PIEI.HHE. ML:1.1 0.0001195515 0.2208 AML other m 2023-01-23T06:20:02.38
IV.PIEI.HHN. ML:0.9 0.000071742575 0.1376 AML other m 2023-01-23T06:20:02.52
IV.SSFR.HHN. ML:1.3 0.00014663890000000002 0.2208 AML other m 2023-01-23T06:20:02.95
IV.SSFR.HHE. ML:1.4 0.0002115992 0.2208 AML other m 2023-01-23T06:20:02.96
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