Earthquake with magnitude of ML 0.4 on date 20-11-2023 and time 21:12:29 (UTC) in region 5 km NW Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 5 km NW Gubbio (PG), on

  • 20-11-2023 21:12:29 (UTC)
  • 20-11-2023 22:12:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3790, 12.5310 at 6 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.

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 5 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 12 1393 35720
Cantiano PU 13 2245 37965
Costacciaro PG 15 1216 39181
Montone PG 17 1680 40861
Sigillo PG 18 2404 43265
Umbertide PG 18 16681 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
49 Km N of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
84 Km W of Ancona (100861 inhabitants)
87 Km S of Cesena (96758 inhabitants)
91 Km N of Terni (111501 inhabitants)
97 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
Reviewed
Rev100
ML 0.4 2023-11-20
21:12:29
43.3792 12.5313 6 2023-11-20
21:20:27
Sala Sismica INGV-Roma 123293391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-20 21:12:29 ± 0.11
Latitude 43.3792 ± 0.0045
Longitude 12.5313 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123293391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46495
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 123293391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-20 21:20:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.HNZ. 2023-11-20T21:13:47.65 3.0 undecidable manual Sn 0.23 0
IV.GATE.HHZ. 2023-11-20T21:13:40.23 3.0 undecidable manual Sn -4.8 0
IV.SPS2.HHZ. 2023-11-20T21:13:34.75 3.0 undecidable manual Pg 5.34 0
IV.PZUN.HHZ. 2023-11-20T21:13:15.60 3.0 positive manual Pg 1.38 0
IV.MRB1.HHZ. 2023-11-20T21:13:05.09 3.0 undecidable manual Pg 1.67 0
IV.CSNT.HHZ. 2023-11-20T21:12:41.41 3.0 undecidable manual S 1.67 0
IV.CRTC.HHZ. 2023-11-20T21:12:39.31 0.3 undecidable manual P 33 51.6039 50 -0.49 63
IV.ARVD.HHZ. 2023-11-20T21:12:38.18 0.6 negative manual P 68 35.5422 100 1.17 32
IV.LRP.EHZ. 2023-11-20T21:12:37.77 3.0 negative manual Pn -9.65 0
IV.PIEI.HHZ. 2023-11-20T21:12:36.30 0.6 undecidable manual S 1 17.3715 109 0.14 48
IV.ATPC.HHE. 2023-11-20T21:12:35.00 0.6 undecidable manual S 332 12.7761 115 0.33 46
IV.ATLO.EHE. 2023-11-20T21:12:34.70 0.6 undecidable manual S 235 12.2766 116 0.18 48
IV.ATPI.EHZ. 2023-11-20T21:12:34.80 0.6 undecidable manual S 307 13.0758 115 0.02 49
IV.NARO.HHZ. 2023-11-20T21:12:34.87 1.0 undecidable manual P 9 25.9518 103 -0.26 23
IV.PIEI.HHZ. 2023-11-20T21:12:33.66 1.0 positive manual P 1 17.3715 109 0.19 24
IV.ATVO.HHZ. 2023-11-20T21:12:33.80 0.6 undecidable manual S 272 10.0788 121 -0.05 49
IV.FRON.EHZ. 2023-11-20T21:12:33.91 1.0 undecidable manual P 45 21.9669 105 -0.43 22
IV.TB01.DHE.01 2023-11-20T21:12:33.20 0.6 undecidable manual S 272 7.6812 128 0.03 50
IV.TB02.DH1. 2023-11-20T21:12:33.90 0.6 undecidable manual S 264 9.879 121 0.1 49
IV.TB02.DH1. 2023-11-20T21:12:32.16 0.1 undecidable manual P 264 9.879 121 0.06 99
IV.ATLO.EHE. 2023-11-20T21:12:32.60 0.3 undecidable manual P 235 12.2766 116 0.08 73
IV.TB03.DH1.25 2023-11-20T21:12:32.02 0.3 undecidable manual P 284 10.0788 121 -0.1 73
IV.ATVO.HHZ. 2023-11-20T21:12:32.13 0.6 positive manual P 272 10.0788 121 0 50
IV.ATPC.HHE. 2023-11-20T21:12:32.63 0.6 undecidable manual P 332 12.7761 115 0.03 49
IV.ATPI.EHZ. 2023-11-20T21:12:32.68 1.0 undecidable manual P 307 13.0758 115 0.01 25
IV.ATFO.HHE. 2023-11-20T21:12:32.00 0.6 undecidable manual S 113 3.4965 150 -0.19 48
IV.TSM5.DH1.10 2023-11-20T21:12:32.64 0.3 undecidable manual P 27 12.5763 116 0.07 73
IV.TSM1.DH1.12 2023-11-20T21:12:31.54 0.3 undecidable manual P 125 6.4935 133 -0.02 75
IV.ATFO.HHE. 2023-11-20T21:12:31.21 0.1 undecidable manual P 113 3.4965 150 0.04 100
IV.TSM2.DHE.01 2023-11-20T21:12:31.80 0.6 undecidable manual S 300 3.8961 147 -0.46 46
IV.TSM2.DHE.01 2023-11-20T21:12:31.07 0.1 undecidable manual P 300 3.8961 147 -0.14 98
IV.TB01.DHE.01 2023-11-20T21:12:31.76 0.1 undecidable manual P 272 7.6812 128 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.2 0.00001675 1.66 AML other m 2023-11-20T21:12:36.13
IV.PIEI.HHN. ML:0.2 0.000017349999999999998 0.3 AML other m 2023-11-20T21:12:37.08
IV.FRON.EHN. ML:0.7 0.00003325 0.42 AML other m 2023-11-20T21:13:04.18
IV.FRON.EHE. ML:0.4 0.000018200000000000002 0.44 AML other m 2023-11-20T21:13:05.39
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