Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 21-06-2021 and time 13:25:51 (Italy) in region 2 km NW Gubbio (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km NW Gubbio (PG), on

  • 21-06-2021 11:25:51 (UTC)
  • 21-06-2021 13:25:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3720, 12.5620 at 4 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 9 1393 33609
Costacciaro PG 12 1216 34825
Cantiano PU 13 2245 37070
Pietralunga PG 13 2111 39181
Sigillo PG 15 2404 41585
Fossato di Vico PG 18 2840 44425
Montone PG 19 1680 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)
77 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
89 Km SE of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.2 2021-06-21
11:25:51		 43.3725 12.5622 5 2021-12-29
11:12:30		 Bollettino Sismico Italiano INGV 95510821
Reviewed
Rev100 		ML 1.2 2021-06-21
11:25:51		 43.3697 12.5602 5 2021-06-21
11:51:06		 Sala Sismica INGV-Roma 91654211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-21 11:25:51 ± 0.11
Latitude 43.3725 ± 0.0036
Longitude 12.5622 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95510821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 331
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36243
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 95510821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-16 14:17:16

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 91654211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-21 11:51:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2021-06-21T11:26:13.26 3.0 negative manual P 0.03 0
IV.EL6.EHZ. 2021-06-21T11:26:06.19 3.0 undecidable manual S -0.45 0
IV.CSP1.EHZ. 2021-06-21T11:26:02.11 3.0 positive manual P -0.45 0
IV.ASSB.HHZ. 2021-06-21T11:26:02.55 3.0 undecidable manual S -2.02 0
IV.FDMO.HHZ. 2021-06-21T11:26:01.02 3.0 negative manual P -0.86 0
IV.BADI.EHZ. 2021-06-21T11:26:01.57 0.6 undecidable manual S 301 29.748 99 -0.03 49
IV.NARO.HHZ. 2021-06-21T11:26:00.17 0.6 undecidable manual S 3 26.4513 100 -0.3 46
IV.PIEI.HHZ. 2021-06-21T11:25:58.05 0.6 undecidable manual S 353 18.2706 104 0.38 46
IV.FRON.EHZ. 2021-06-21T11:25:58.70 0.3 undecidable manual S 39 20.868 102 0.16 72
IV.SSFR.HHZ. 2021-06-21T11:25:58.14 0.3 undecidable manual S 68 19.0698 103 0.18 72
IV.PARC.HHZ. 2021-06-21T11:25:58.94 0.3 undecidable manual P 320 40.2264 96 -0.31 68
IV.ATPI.EHZ. 2021-06-21T11:25:57.13 0.3 undecidable manual S 304 15.5733 106 0.37 70
IV.MPAG.EHZ. 2021-06-21T11:25:57.27 0.3 undecidable manual P 29 32.6451 98 -0.48 66
IV.ATVA.EHZ. 2021-06-21T11:25:56.17 0.3 undecidable manual P 245 24.6531 100 0 74
IV.MURB.HHZ. 2021-06-21T11:25:56.37 0.3 undecidable manual S 194 12.4764 110 0.61 65
IV.ATLO.EHZ. 2021-06-21T11:25:56.49 0.3 undecidable manual S 243 13.9749 108 0.23 72
IV.NARO.HHZ. 2021-06-21T11:25:56.07 0.3 undecidable manual P 3 26.4513 100 -0.46 67
IV.ATSC.EHZ. 2021-06-21T11:25:56.17 0.3 undecidable manual S 60 11.5773 111 0.73 62
IV.ATPC.HHZ. 2021-06-21T11:25:56.77 0.3 undecidable manual S 325 14.6742 107 0.29 71
IV.BADI.EHZ. 2021-06-21T11:25:56.86 0.1 undecidable manual P 301 29.748 99 -0.32 92
IV.ATBU.HNZ. 2021-06-21T11:25:55.92 0.3 undecidable manual S 354 11.4774 111 0.49 69
IV.ATVO.HHZ. 2021-06-21T11:25:55.84 0.3 undecidable manual S 275 12.5763 110 0.06 75
IV.FRON.EHZ. 2021-06-21T11:25:55.29 0.1 undecidable manual P 39 20.868 102 -0.13 97
IV.ATPC.HHZ. 2021-06-21T11:25:54.12 0.1 undecidable manual P 325 14.6742 107 -0.11 99
IV.FOSV.EHZ. 2021-06-21T11:25:54.88 0.3 undecidable manual P 118 18.2706 104 -0.03 75
IV.ATPI.EHZ. 2021-06-21T11:25:54.38 0.3 undecidable manual P 304 15.5733 106 -0.01 75
IV.PIEI.HHZ. 2021-06-21T11:25:54.81 0.1 undecidable manual P 353 18.2706 104 -0.1 98
IV.ATLO.EHZ. 2021-06-21T11:25:54.06 0.1 undecidable manual P 243 13.9749 108 -0.04 100
IV.SSFR.HHZ. 2021-06-21T11:25:54.95 0.1 undecidable manual P 68 19.0698 103 -0.13 97
IV.ATSC.EHZ. 2021-06-21T11:25:53.76 0.1 undecidable manual P 60 11.5773 111 0.13 99
IV.ATBU.HNZ. 2021-06-21T11:25:53.78 0.1 undecidable manual P 354 11.4774 111 0.16 98
IV.MURB.HHZ. 2021-06-21T11:25:53.93 0.1 undecidable manual P 194 12.4764 110 0.12 99
IV.ATVO.HHZ. 2021-06-21T11:25:53.68 0.1 undecidable manual P 275 12.5763 110 -0.15 98
IV.ATFO.HHZ. 2021-06-21T11:25:52.17 0.3 undecidable manual S 131 0.999 167 -0.56 68
IV.ATFO.HHZ. 2021-06-21T11:25:51.69 0.1 undecidable manual P 131 0.999 167 -0.38 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.5 0.000456 0.38 AML other m 2021-06-21T11:25:56.47
IV.MURB.HHN. ML:1.7 0.0007155 0.22 AML other m 2021-06-21T11:25:56.84
IV.ATVO.HHN. ML:1.1 0.000167 0.42 AML other m 2021-06-21T11:25:57.22
IV.ATVO.HHE. ML:1.1 0.0001535 0.44 AML other m 2021-06-21T11:25:58.15
IV.SSFR.HNE. ML:1.6 0.000336 0.22 AML other m 2021-06-21T11:25:58.50
IV.SSFR.HHE. ML:1.5 0.000299 0.24 AML other m 2021-06-21T11:25:58.61
IV.PIEI.HHE. ML:1.3 0.000184 0.28 AML other m 2021-06-21T11:25:58.98
IV.FRON.EHN. ML:1.4 0.000178 0.12 AML other m 2021-06-21T11:25:58.97
IV.FRON.EHE. ML:1.2 0.00011265 0.1 AML other m 2021-06-21T11:25:58.92
IV.SSFR.HHN. ML:1.3 0.00016649999999999998 0.62 AML other m 2021-06-21T11:25:59.33
IV.SSFR.HNN. ML:1.6 0.0003235 0.64 AML other m 2021-06-21T11:25:59.33
IV.PIEI.HHN. ML:1.1 0.0001035 1.16 AML other m 2021-06-21T11:25:59.77
IV.ATPI.EHE. ML:1.0 0.0000986 1.4 AML other m 2021-06-21T11:25:59.08
IV.ATPI.EHN. ML:0.9 0.00009465 0.84 AML other m 2021-06-21T11:26:00.06
IV.FOSV.EHE. ML:0.7 0.0000521 1.34 AML other m 2021-06-21T11:26:01.92
IV.BADI.EHE. ML:1.7 0.0002475 0.18 AML other m 2021-06-21T11:26:02.01
IV.NARO.HHN. ML:0.9 0.00004505 0.92 AML other m 2021-06-21T11:26:02.32
IV.NARO.HHE. ML:0.8 0.00003759999999999999 0.96 AML other m 2021-06-21T11:26:02.13
IV.BADI.EHN. ML:1.4 0.0001325 1.56 AML other m 2021-06-21T11:26:02.13
IV.MPAG.EHE. ML:0.7 0.00002285 1.36 AML other m 2021-06-21T11:26:03.15
IV.MPAG.EHN. ML:0.8 0.00003015 1.1 AML other m 2021-06-21T11:26:04.18
IV.FOSV.EHN. ML:0.9 0.00008025 1.3 AML other m 2021-06-21T11:26:04.81
IV.PARC.HHE. ML:1.0 0.00003295 0.26 AML other m 2021-06-21T11:26:06.90
IV.PARC.HHN. ML:1.0 0.0000332 0.84 AML other m 2021-06-21T11:26:07.52
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