Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 22-06-2021 and time 22:13:25 (UTC) in region 3 km NW Gubbio (PG)

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

  • 22-06-2021 22:13:25 (UTC)
  • 23-06-2021 00:13:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3720, 12.5570 at 9 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 3 32216 32216
Scheggia e Pascelupo PG 10 1393 33609
Pietralunga PG 12 2111 35720
Costacciaro PG 13 1216 36936
Cantiano PU 13 2245 39181
Sigillo PG 16 2404 41585
Montone PG 19 1680 43265
Fossato di Vico PG 19 2840 46105
Umbertide PG 20 16681 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)
55 Km E of Arezzo (99543 inhabitants)
64 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
89 Km S of Cesena (96758 inhabitants)
90 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 2021-06-22
22:13:25		 43.372 12.5568 9 2021-06-22
22:19:27		 Sala Sismica INGV-Roma 91734251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-22 22:13:25 ± 0.2
Latitude 43.3720 ± 0.0063
Longitude 12.5568 ± 0.0111
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91734251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 956
Semi-minor axis of confidence ellipse (meter) 302
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.01169
Epicentral distance of station farthest from the epicenter (degree) 0.32645
Number of stations at which the event was observed 8
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 6
Type of magnitude ML
Reference to an origin 91734251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-22 22:19:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2021-06-22T22:13:33.60 0.6 undecidable manual S 40 21.1677 113 0.2 48
IV.FOSV.EHZ. 2021-06-22T22:13:32.80 0.3 undecidable manual S 117 18.5703 116 0.2 72
IV.PIEI.HHZ. 2021-06-22T22:13:32.76 0.1 undecidable manual S 354 18.2706 116 0.27 95
IV.PE3.EHZ. 2021-06-22T22:13:32.30 0.1 undecidable manual P 352 36.2415 50 -0.44 89
IV.MURB.HHZ. 2021-06-22T22:13:31.04 0.3 undecidable manual S 192 12.3765 126 0.31 72
IV.ATPI.EHZ. 2021-06-22T22:13:31.62 0.6 undecidable manual S 305 15.1737 120 0.05 50
IV.FRON.EHZ. 2021-06-22T22:13:30.20 1.0 positive manual P 40 21.1677 113 0.17 24
IV.PIEI.HHZ. 2021-06-22T22:13:29.69 0.6 negative manual P 354 18.2706 116 0.18 49
IV.FOSV.EHZ. 2021-06-22T22:13:29.76 1.0 undecidable manual P 117 18.5703 116 0.19 24
IV.ATPI.EHZ. 2021-06-22T22:13:29.50 1.0 undecidable manual P 305 15.1737 120 0.52 23
IV.ATVO.HHZ. 2021-06-22T22:13:28.58 1.0 undecidable manual P 275 12.1767 126 0.11 25
IV.MURB.HHZ. 2021-06-22T22:13:28.58 0.1 undecidable manual P 192 12.3765 126 0.08 100
IV.ATFO.HHZ. 2021-06-22T22:13:27.34 0.6 undecidable manual S 117 1.2987 172 -1.22 34
IV.ATFO.HHZ. 2021-06-22T22:13:26.71 0.3 positive manual P 117 1.2987 172 -0.54 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.1 0.0000159 1.18 AML other m 2021-06-22T22:13:31.72
IV.ATVO.HHN. ML:0.1 0.00001385 0.66 AML other m 2021-06-22T22:13:31.70
IV.MURB.HHE. ML:0.8 0.00007105 0.72 AML other m 2021-06-22T22:13:31.01
IV.MURB.HHN. ML:0.8 0.00006809999999999999 0.22 AML other m 2021-06-22T22:13:32.42
IV.PIEI.HHN. ML:0.6 0.000028749999999999997 0.28 AML other m 2021-06-22T22:13:33.49
IV.PIEI.HHE. ML:0.6 0.00003735 0.28 AML other m 2021-06-22T22:13:33.65
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