Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 31-01-2024 and time 00:38:50 (Italy) in region 4 km SE Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 4 km SE Gubbio (PG), on

  • 30-01-2024 23:38:50 (UTC)
  • 31-01-2024 00:38:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3310, 12.6100 at 10 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 4 32216 32216
Costacciaro PG 9 1216 33432
Scheggia e Pascelupo PG 10 1393 34825
Sigillo PG 11 2404 37229
Fossato di Vico PG 13 2840 40069
Cantiano PU 16 2245 42314
Gualdo Tadino PG 18 15208 57522
Pietralunga PG 19 2111 59633
Valfabbrica PG 19 3389 63022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Perugia (166134 inhabitants)
42 Km N of Foligno (57155 inhabitants)
61 Km E of Arezzo (99543 inhabitants)
66 Km SW of Fano (60888 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
80 Km W of Ancona (100861 inhabitants)
81 Km S of Rimini (147750 inhabitants)
86 Km N of Terni (111501 inhabitants)
94 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 0.4 2024-01-30
23:38:50		 43.3308 12.6095 10 2024-01-30
23:48:41		 Sala Sismica INGV-Roma 124956661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-30 23:38:50 ± 0.06
Latitude 43.3308 ± 0.0009
Longitude 12.6095 ± 0.0012
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124956661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 149
Semi-minor axis of confidence ellipse (meter) 34
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 150.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21134
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.7
Num. used stations 4
Type of magnitude ML
Reference to an origin 124956661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-30 23:48:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2024-01-30T23:40:22.65 3.0 undecidable manual Sg 0.4 0
IX.SCL3.EHZ.02 2024-01-30T23:39:33.01 3.0 undecidable manual Pg 0.14 0
IV.PIEI.HHZ. 2024-01-30T23:38:59.48 0.3 undecidable manual S 345 23.4543 113 -0.07 71
IV.SSFR.HHZ. 2024-01-30T23:38:58.01 0.3 undecidable manual S 50 18.1707 119 0.13 71
IV.ATVO.HHZ. 2024-01-30T23:38:57.60 0.6 undecidable manual S 289 17.3715 120 -0.02 49
IV.CSNT.HHZ. 2024-01-30T23:38:57.13 3.0 undecidable manual P 1.12 0
IV.TB01.DHZ.01 2024-01-30T23:38:57.02 0.3 undecidable manual S 292 15.0738 123 0.06 73
IV.ATCC.HNN. 2024-01-30T23:38:57.22 0.3 undecidable manual S 171 16.3725 121 -0.11 72
IV.FOSV.EHZ. 2024-01-30T23:38:56.33 0.3 undecidable manual S 108 12.876 128 -0.01 74
IV.MURB.HHZ. 2024-01-30T23:38:55.76 0.3 undecidable manual S 222 10.1787 134 0.13 72
IV.PIEI.HHZ. 2024-01-30T23:38:55.92 0.3 undecidable manual P 345 23.4543 113 0.12 70
IV.TSM2.DHE.01 2024-01-30T23:38:55.98 0.3 undecidable manual S 307 12.0768 130 -0.14 72
IV.TB01.DHZ.01 2024-01-30T23:38:54.24 0.3 undecidable manual P 292 15.0738 123 -0.07 72
IV.SSFR.HHZ. 2024-01-30T23:38:54.80 0.1 undecidable manual P 50 18.1707 119 -0.04 96
IV.TSM1.DHE.01 2024-01-30T23:38:54.20 0.3 undecidable manual S 329 1.8981 169 -0.01 75
IV.ATCC.HNN. 2024-01-30T23:38:54.49 0.3 undecidable manual P 171 16.3725 121 -0.03 73
IV.ATVO.HHZ. 2024-01-30T23:38:54.67 0.3 undecidable manual P 289 17.3715 120 -0.02 73
IV.MURB.HHZ. 2024-01-30T23:38:53.64 0.1 positive manual P 222 10.1787 134 0.1 97
IV.FOSV.EHZ. 2024-01-30T23:38:53.90 0.1 undecidable manual P 108 12.876 128 -0.05 97
IV.TSM2.DHE.01 2024-01-30T23:38:53.84 0.3 undecidable manual P 307 12.0768 130 0.02 73
IV.TSM1.DHE.01 2024-01-30T23:38:52.72 0.1 undecidable manual P 329 1.8981 169 0 100
IV.MTRA.HNZ. 2024-01-30T23:38:52.86 3.0 undecidable manual Pn -8 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.0 0.000127 0.22 AML other m 2024-01-30T23:38:56.12
IV.MURB.HHN. ML:1.0 0.000135 0.24 AML other m 2024-01-30T23:38:56.23
IV.FOSV.EHE. ML:-0.3 0.0000074340755 0.1024 AML other m 2024-01-30T23:38:56.63
IV.FOSV.EHN. ML:0.0 0.0000094506565 0.1664 AML other m 2024-01-30T23:38:56.47
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