Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 13-06-2021 and time 00:20:20 (Italy) in region 2 km NW Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 2 km NW Gubbio (PG), on

  • 12-06-2021 22:20:20 (UTC)
  • 13-06-2021 00:20:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3660, 12.5590 at 4 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 2 32216 32216
Scheggia e Pascelupo PG 10 1393 33609
Costacciaro PG 13 1216 34825
Pietralunga PG 13 2111 36936
Cantiano PU 13 2245 39181
Sigillo PG 15 2404 41585
Fossato di Vico PG 18 2840 44425
Montone PG 19 1680 46105
Umbertide PG 20 16681 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
47 Km N of Foligno (57155 inhabitants)
56 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)
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 0.4 2021-06-12
22:20:20		 43.3662 12.5588 4 2021-06-12
22:27:26		 Sala Sismica INGV-Roma 91189261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-12 22:20:20 ± 0.13
Latitude 43.3662 ± 0.0027
Longitude 12.5588 ± 0.0062
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91189261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16997
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 91189261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-12 22:27:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2021-06-12T22:22:12.54 3.0 undecidable manual Pg 14.24 0
IV.CMPR.HHZ. 2021-06-12T22:22:01.28 3.0 undecidable manual Sg 5.44 0
IV.CRJA.HHZ. 2021-06-12T22:21:45.91 3.0 undecidable manual Pg 5.06 0
IV.CMIS.HHZ. 2021-06-12T22:21:36.53 3.0 undecidable manual Sg -0.07 0
IV.GIZZ.HHZ. 2021-06-12T22:21:24.83 3.0 negative manual Pn -8.42 0
IV.MESG.HHZ. 2021-06-12T22:21:24.29 3.0 undecidable manual Pn -2.81 0
IV.CMPR.HHZ. 2021-06-12T22:21:14.60 3.0 undecidable manual Pg 2.06 0
MN.CUC.HHZ. 2021-06-12T22:21:12.19 3.0 negative manual Pn -6.89 0
IV.LRP.EHZ. 2021-06-12T22:21:11.09 3.0 undecidable manual Sg -2.6 0
IV.PIEI.HHZ. 2021-06-12T22:20:27.62 0.6 undecidable manual S 354 18.87 103 0.03 97
IV.ATVO.HHZ. 2021-06-12T22:20:25.44 0.6 undecidable manual S 278 12.3765 110 0.02 98
IV.MURB.HHZ. 2021-06-12T22:20:25.37 0.6 undecidable manual S 194 11.7771 111 0.15 95
IV.PIEI.HHZ. 2021-06-12T22:20:24.92 1.0 undecidable manual P 354 18.87 103 0.18 47
IV.MURB.HHZ. 2021-06-12T22:20:23.24 0.6 positive manual P 194 11.7771 111 -0.13 96
IV.ATVO.HHZ. 2021-06-12T22:20:23.38 0.6 negative manual P 278 12.3765 110 -0.11 96
IV.ATFO.HHZ. 2021-06-12T22:20:22.43 0.6 undecidable manual S 87 0.999 167 0.01 100
IV.ATFO.HHZ. 2021-06-12T22:20:21.58 1.0 undecidable manual P 87 0.999 167 -0.18 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:0.4 0.00003645 0.22 AML other m 2021-06-12T22:20:25.75
IV.MURB.HHE. ML:0.5 0.00004505 1.74 AML other m 2021-06-12T22:20:25.97
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