Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 27-05-2021 and time 18:07:52 (Italy) in region 2 km NW Gubbio (PG)

A magnitude ML 0.6 earthquake occured in region: 2 km NW Gubbio (PG), on

  • 27-05-2021 16:07:52 (UTC)
  • 27-05-2021 18:07:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3680, 12.5700 at 7 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 2 32216 32216
Scheggia e Pascelupo PG 9 1393 33609
Costacciaro PG 12 1216 34825
Cantiano PU 13 2245 37070
Pietralunga PG 14 2111 39181
Sigillo PG 15 2404 41585
Fossato di Vico PG 18 2840 44425
Montone PG 20 1680 46105

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
47 Km N of Foligno (57155 inhabitants)
57 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)
90 Km SE of Cesena (96758 inhabitants)
90 Km N of Terni (111501 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 0.6 2021-05-27
16:07:52		 43.3677 12.5695 7 2021-12-29
11:12:16		 Bollettino Sismico Italiano INGV 93420141
Reviewed
Rev100 		ML 0.6 2021-05-27
16:07:52		 43.3827 12.5862 7 2021-05-27
16:23:46		 Sala Sismica INGV-Roma 90540171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-27 16:07:52 ± 0.21
Latitude 43.3677 ± 0.0063
Longitude 12.5695 ± 0.0087
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 93420141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 810
Semi-minor axis of confidence ellipse (meter) 25
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18976
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 90540171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-27 16:23:46

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 93420141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-31 00:50:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2021-05-27T16:09:36.62 3.0 undecidable manual Sn 6.81 0
IV.CAGR.HHZ. 2021-05-27T16:09:33.40 3.0 undecidable manual Pg 15.58 0
IV.PETRA.HHZ. 2021-05-27T16:09:31.88 3.0 undecidable manual Pg 17.709999 0
IV.SSY.HHZ. 2021-05-27T16:09:30.78 3.0 undecidable manual Pn 5.29 0
MN.TIR.HHZ. 2021-05-27T16:09:22.68 3.0 undecidable manual Pn 9.09 0
IV.PAOL.HHZ. 2021-05-27T16:09:18.79 3.0 undecidable manual Sg 10.74 0
IV.IACL.HHZ. 2021-05-27T16:09:04.61 3.0 negative manual Pn -0.69 0
SL.KOGS.BHZ. 2021-05-27T16:08:58.47 3.0 undecidable manual Pg 9.24 0
CR.STON.BHZ. 2021-05-27T16:08:54.66 3.0 negative manual Pg 8.65 0
IV.TRIV.HHZ. 2021-05-27T16:08:52.94 3.0 undecidable manual Sn 0.22 0
IV.RAVA.EHZ. 2021-05-27T16:08:46.11 3.0 undecidable manual Sg 2.13 0
IV.NDIM.HNZ. 2021-05-27T16:08:44.88 3.0 undecidable manual Sn -4.07 0
IV.ZCCA.HHZ. 2021-05-27T16:08:39.08 3.0 undecidable manual Sg -0.33 0
ST.RONC.EHZ. 2021-05-27T16:08:36.30 3.0 positive manual Pn -0.29 0
MN.TRI.HHZ. 2021-05-27T16:08:31.49 3.0 positive manual Pg 3.05 0
ST.VARA.EHZ. 2021-05-27T16:08:30.18 3.0 undecidable manual Pn -3.24 0
IV.SGG.HHZ. 2021-05-27T16:08:25.45 3.0 negative manual Pn -3.11 0
IV.ZCCA.HHZ. 2021-05-27T16:08:20.66 3.0 undecidable manual Pg 2.97 0
IV.ARRO.EHZ. 2021-05-27T16:08:20.61 3.0 undecidable manual S 0.11 0
IV.FIR.HHZ. 2021-05-27T16:08:12.13 3.0 undecidable manual Pg 0.36 0
IV.ATCC.EHZ. 2021-05-27T16:08:01.31 0.6 undecidable manual S 164 21.0678 108 0.87 38
IV.CSP1.EHZ. 2021-05-27T16:07:59.89 3.0 undecidable manual P 0.14 0
IV.ATBU.EHZ. 2021-05-27T16:07:58.34 0.6 undecidable manual S 352 12.0768 120 0.75 40
IV.FOSV.EHZ. 2021-05-27T16:07:58.82 0.3 undecidable manual S 118 17.4714 111 -0.45 67
IV.ATPI.EHZ. 2021-05-27T16:07:58.93 0.3 undecidable manual S 304 16.3725 113 0.02 73
IV.ATVO.HHZ. 2021-05-27T16:07:57.55 0.6 undecidable manual S 277 13.2756 117 -0.38 46
IV.ATCC.EHZ. 2021-05-27T16:07:57.42 0.3 undecidable manual P 164 21.0678 108 0.23 70
IV.TB03.DHZ.01 2021-05-27T16:07:57.80 0.6 undecidable manual S 286 13.3755 117 -0.18 48
IV.MURB.HHZ. 2021-05-27T16:07:57.87 0.3 undecidable manual S 197 12.1767 119 0.26 70
IV.CPGN.EHZ. 2021-05-27T16:07:57.08 3.0 undecidable manual P -5.16 0
IV.ATPI.EHZ. 2021-05-27T16:07:56.24 0.1 undecidable manual P 304 16.3725 113 -0.07 97
IV.ATBU.EHZ. 2021-05-27T16:07:56.01 0.1 undecidable manual P 352 12.0768 120 0.46 90
IV.TB01.DHZ. 2021-05-27T16:07:56.97 0.6 undecidable manual S 278 10.878 122 -0.26 47
IV.ATVO.HHZ. 2021-05-27T16:07:55.64 0.1 positive manual P 277 13.2756 117 -0.11 96
IV.TB03.DHZ.01 2021-05-27T16:07:55.64 0.1 undecidable manual P 286 13.3755 117 -0.13 96
IV.MURB.HHZ. 2021-05-27T16:07:55.74 0.1 undecidable manual P 197 12.1767 119 0.18 95
IV.ATFO.HHZ. 2021-05-27T16:07:55.02 0.6 undecidable manual S 128 0.1998 178 -0.13 49
IV.TB01.DHZ. 2021-05-27T16:07:55.27 0.1 undecidable manual P 278 10.878 122 -0.07 98
IV.FOSV.EHZ. 2021-05-27T16:07:55.98 0.1 undecidable manual P 118 17.4714 111 -0.54 87
IV.ATFO.HHZ. 2021-05-27T16:07:54.18 0.1 undecidable manual P 128 0.1998 178 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.2 0.000014055000000000002 0.08 AML other m 2021-05-27T16:07:55.76
IV.PIEI.HHE. ML:0.5 0.000025500000000000003 0.48 AML other m 2021-05-27T16:07:56.58
IV.ATVO.HHN. ML:0.5 0.000036599999999999995 0.4 AML other m 2021-05-27T16:07:57.67
IV.ATVO.HHE. ML:0.5 0.000037199999999999996 0.2 AML other m 2021-05-27T16:07:57.85
IV.MURB.HHN. ML:0.8 0.00008015 0.22 AML other m 2021-05-27T16:07:58.06
IV.MURB.HHE. ML:0.8 0.0000843 1.78 AML other m 2021-05-27T16:07:59.10
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