Earthquake with magnitude of ML 0.5 on date 25-05-2021 and time 22:08:29 (Italy) in region 3 km NW Gubbio (PG)

A magnitude ML 0.5 earthquake occured in region: 3 km NW Gubbio (PG), on

  • 25-05-2021 20:08:29 (UTC)
  • 25-05-2021 22:08:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3760, 12.5590 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 3 32216 32216
Scheggia e Pascelupo PG 9 1393 33609
Cantiano PU 12 2245 35854
Pietralunga PG 12 2111 37965
Costacciaro PG 13 1216 39181
Sigillo PG 16 2404 41585
Montone PG 19 1680 43265
Fossato di Vico PG 19 2840 46105

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
56 Km E of Arezzo (99543 inhabitants)
64 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
88 Km SE of Cesena (96758 inhabitants)
91 Km N of Terni (111501 inhabitants)
99 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 0.5 2021-05-25
20:08:29
43.3758 12.5592 6 2021-05-25
20:14:59
Sala Sismica INGV-Roma 90491801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-25 20:08:29 ± 0.14
Latitude 43.3758 ± 0.0036
Longitude 12.5592 ± 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 90491801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 117
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30307
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 90491801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-25 20:14:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-05-25T20:08:40.83 0.3 undecidable manual S 66 33.6441 100 -0.31 69
IV.FRON.EHZ. 2021-05-25T20:08:37.20 0.3 undecidable manual S 40 20.6682 106 0.45 68
IV.ATCC.EHZ. 2021-05-25T20:08:37.62 0.1 undecidable manual S 163 22.1556 105 0.38 92
IV.NARO.HHZ. 2021-05-25T20:08:36.50 3.0 undecidable manual S 0.09 0
IV.FOSV.EHZ. 2021-05-25T20:08:36.31 0.1 undecidable manual S 119 18.6702 108 0.24 96
IV.ATPI.EHZ. 2021-05-25T20:08:35.14 0.3 undecidable manual S 303 15.0738 112 0.21 73
IV.ARVD.HHZ. 2021-05-25T20:08:35.91 0.3 undecidable manual P 66 33.6441 100 -0.22 70
IV.MURB.HHZ. 2021-05-25T20:08:34.27 0.3 undecidable manual S 193 12.7761 115 0.07 75
IV.FRON.EHZ. 2021-05-25T20:08:33.71 0.1 undecidable manual P 40 20.6682 106 0.12 98
IV.ATVO.HHZ. 2021-05-25T20:08:33.88 0.3 undecidable manual S 273 12.2766 116 -0.16 74
IV.ATCC.EHZ. 2021-05-25T20:08:33.77 0.1 undecidable manual P 163 22.1556 105 -0.1 98
IV.MURB.HHZ. 2021-05-25T20:08:32.05 0.1 undecidable manual P 193 12.7761 115 -0.07 100
IV.FOSV.EHZ. 2021-05-25T20:08:32.52 0.3 undecidable manual P 119 18.6702 108 -0.67 63
IV.APEC.HHZ. 2021-05-25T20:08:32.24 3.0 undecidable manual P 0
IV.ATPI.EHZ. 2021-05-25T20:08:32.65 0.1 undecidable manual P 303 15.0738 112 0.11 99
IV.ATFO.HHZ. 2021-05-25T20:08:31.27 0.3 undecidable manual S 136 1.3986 167 -0.17 75
IV.ATVO.HHZ. 2021-05-25T20:08:31.91 0.1 undecidable manual P 273 12.2766 116 -0.12 99
IV.ATFO.HHZ. 2021-05-25T20:08:30.46 0.6 undecidable manual P 136 1.3986 167 -0.06 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.0 0.0003037619 0.192 AML other m 2021-05-25T20:08:31.51
IV.ATVO.HHN. ML:0.4 0.00003638751 0.2176 AML other m 2021-05-25T20:08:33.97
IV.ATVO.HHE. ML:0.7 0.00006494197 0.1792 AML other m 2021-05-25T20:08:34.05
IV.FOSV.EHE. ML:0.2 0.0000126452235 0.4608 AML other m 2021-05-25T20:08:43.36
IV.FOSV.EHN. ML:0.1 0.0000118818795 0.5504 AML other m 2021-05-25T20:08:36.00
IV.ATPI.EHE. ML:0.2 0.000016651784999999998 0.9088 AML other m 2021-05-25T20:08:35.11
IV.ATPI.EHN. ML:0.3 0.00002048005 1.1008 AML other m 2021-05-25T20:08:33.06
IV.ATPI.HNE. ML:1.2 0.00016300635 1.1136 AML other m 2021-05-25T20:08:32.76
IV.ATPI.HNN. ML:0.9 0.00008447981999999999 0.6144 AML other m 2021-05-25T20:08:35.52
IV.FRON.EHE. ML:0.5 0.00002347811 0.1792 AML other m 2021-05-25T20:08:37.37
IV.FRON.EHN. ML:0.7 0.000041045634999999994 0.1024 AML other m 2021-05-25T20:08:37.48
IV.ARVD.HHE. ML:0.7 0.000018291170000000003 1.0624 AML other m 2021-05-25T20:08:53.15
IV.ARVD.HHN. ML:0.4 0.0000080343655 0.1408 AML other m 2021-05-25T20:08:43.01
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