Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 17-02-2021 and time 06:23:05 (Italy) in region 9 km SE Gubbio (PG)

A magnitude ML 0.7 earthquake occured in region: 9 km SE Gubbio (PG), on

  • 17-02-2021 05:23:05 (UTC)
  • 17-02-2021 06:23:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2740, 12.6160 at 10 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 9 32216 32216
Sigillo PG 12 2404 34620
Fossato di Vico PG 12 2840 37460
Costacciaro PG 12 1216 38676
Valfabbrica PG 13 3389 42065
Gualdo Tadino PG 15 15208 57273
Scheggia e Pascelupo PG 15 1393 58666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Perugia (166134 inhabitants)
36 Km N of Foligno (57155 inhabitants)
63 Km E of Arezzo (99543 inhabitants)
71 Km SW of Fano (60888 inhabitants)
75 Km SW of Pesaro (94582 inhabitants)
79 Km N of Terni (111501 inhabitants)
82 Km W of Ancona (100861 inhabitants)
88 Km S of Rimini (147750 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 0.7 2021-02-17
05:23:05		 43.2742 12.6155 10 2021-07-12
16:54:59		 Bollettino Sismico Italiano INGV 87376051
Reviewed
Rev100 		ML 1.3 2021-02-17
05:23:05		 43.2707 12.6205 11 2021-02-17
05:31:00		 Sala Sismica INGV-Roma 87230921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-17 05:23:05 ± 0.03
Latitude 43.2742 ± 0.0018
Longitude 12.6155 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87376051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 243
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.51531
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 87376051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-22 12:03:42

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 87230921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-17 05:31:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2021-02-17T05:23:23.41 0.3 undecidable manual S 226 57.1983 50 0.3 67
IV.FDMO.HHN. 2021-02-17T05:23:20.33 0.3 undecidable manual S 124 46.4202 50 0.1 71
IV.CESI.HHE. 2021-02-17T05:23:18.30 0.3 undecidable manual S 142 37.9287 50 0.33 69
IV.PIEI.HNN. 2021-02-17T05:23:15.78 0.6 undecidable manual S 347 29.748 50 0 50
IV.ATPC.HHZ. 2021-02-17T05:23:15.16 0.6 undecidable manual S 331 26.2515 50 0.31 47
IV.MGAB.HHZ. 2021-02-17T05:23:15.41 0.3 undecidable manual P 226 57.1983 50 -0.11 69
IV.ATVA.EHZ. 2021-02-17T05:23:14.65 0.3 undecidable manual S 271 26.6511 50 -0.31 70
IV.ASSB.HHZ. 2021-02-17T05:23:14.41 0.1 undecidable manual S 172 25.9518 50 -0.35 93
IV.ATPI.EHZ. 2021-02-17T05:23:14.80 0.3 undecidable manual S 319 26.0517 50 0 75
IV.FDMO.HHN. 2021-02-17T05:23:13.60 0.3 undecidable manual P 124 46.4202 50 -0.26 69
IV.TB03.DHZ.01 2021-02-17T05:23:13.48 0.3 undecidable manual S 311 21.7671 115 0.01 76
IV.SSFR.HHZ. 2021-02-17T05:23:13.26 0.6 undecidable manual S 37 22.4553 114 -0.44 46
IV.ATSC.EHZ. 2021-02-17T05:23:12.25 0.6 undecidable manual S 19 17.5713 120 0.06 50
IV.TB02.DHZ.01 2021-02-17T05:23:12.86 0.6 undecidable manual S 303 19.7691 117 0.01 51
IV.TB01.DHZ.01 2021-02-17T05:23:12.33 0.3 undecidable manual S 309 18.7701 118 -0.22 73
IV.CESI.HHE. 2021-02-17T05:23:12.49 0.1 undecidable manual P 142 37.9287 50 -0.06 97
IV.FRON.EHZ. 2021-02-17T05:23:11.17 0.1 undecidable manual P 18 28.4493 50 0.08 98
IV.PIEI.HNN. 2021-02-17T05:23:11.39 0.3 undecidable manual P 347 29.748 50 0.1 73
IV.ATLO.EHZ. 2021-02-17T05:23:11.96 0.3 undecidable manual S 285 17.3715 120 -0.17 74
IV.ATPI.EHZ. 2021-02-17T05:23:10.73 0.1 undecidable manual P 319 26.0517 50 0 100
IV.ATFO.HHZ. 2021-02-17T05:23:10.39 0.3 undecidable manual S 341 10.878 133 0.1 76
IV.ATVA.EHZ. 2021-02-17T05:23:10.77 0.3 undecidable manual P 271 26.6511 50 -0.05 74
IV.ATCC.EHZ. 2021-02-17T05:23:10.24 0.3 undecidable manual S 169 10.0788 135 0.15 75
IV.ASSB.HHZ. 2021-02-17T05:23:10.57 0.1 undecidable manual P 172 25.9518 50 -0.13 98
IV.FOSV.EHZ. 2021-02-17T05:23:10.40 0.3 undecidable manual S 79 11.9769 130 -0.18 74
IV.ATPC.HHZ. 2021-02-17T05:23:10.89 0.1 undecidable manual P 331 26.2515 50 0.14 97
IV.SSFR.HHZ. 2021-02-17T05:23:09.92 0.3 undecidable manual P 37 22.4553 114 -0.17 73
IV.ATLO.EHZ. 2021-02-17T05:23:09.26 0.3 undecidable manual P 285 17.3715 120 0.08 75
IV.MURB.HHZ. 2021-02-17T05:23:09.38 0.3 undecidable manual S 261 7.4814 143 -0.11 76
IV.ATSC.EHZ. 2021-02-17T05:23:09.44 0.3 undecidable manual P 19 17.5713 120 0.22 73
IV.TB02.DHZ.01 2021-02-17T05:23:09.62 0.3 undecidable manual P 303 19.7691 117 0.02 76
IV.TB01.DHZ.01 2021-02-17T05:23:09.48 0.3 undecidable manual P 309 18.7701 118 0.06 75
IV.TB03.DHZ.01 2021-02-17T05:23:09.98 0.3 undecidable manual P 311 21.7671 115 0.02 75
IV.ATCC.EHZ. 2021-02-17T05:23:08.24 0.1 undecidable manual P 169 10.0788 135 0.24 98
IV.FOSV.EHZ. 2021-02-17T05:23:08.31 0.3 undecidable manual P 79 11.9769 130 0.02 77
IV.ATFO.HHZ. 2021-02-17T05:23:08.08 0.3 undecidable manual P 341 10.878 133 -0.04 76
IV.MURB.HHZ. 2021-02-17T05:23:07.84 0.1 undecidable manual P 261 7.4814 143 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:0.6 0.0000451 1.84 AML other m 2021-02-17T05:23:10.01
IV.ATFO.HHE. ML:0.6 0.0000479 0.8 AML other m 2021-02-17T05:23:11.51
IV.PIEI.HHN. ML:0.6 0.000017849999999999997 1.58 AML other m 2021-02-17T05:23:16.98
IV.PIEI.HHE. ML:0.8 0.000028250000000000002 1.74 AML other m 2021-02-17T05:23:17.02
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