Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 04-03-2021 and time 12:13:10 (UTC) in region 5 km W Gubbio (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km W Gubbio (PG), on

  • 04-03-2021 12:13:10 (UTC)
  • 04-03-2021 13:13:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3690, 12.5170 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Cantiano PU 15 2245 37965
Montone PG 15 1680 39645
Costacciaro PG 16 1216 40861
Umbertide PG 17 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Perugia (166134 inhabitants)
48 Km NW of Foligno (57155 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
96 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 1.0 2021-03-04
12:13:10		 43.3693 12.5168 9 2021-03-04
12:19:23		 Sala Sismica INGV-Roma 87714811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-04 12:13:10 ± 0.11
Latitude 43.3693 ± 0.0027
Longitude 12.5168 ± 0.0037
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 87714811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 354
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 87714811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-04 12:19:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2021-03-04T12:13:21.12 0.6 undecidable manual S 305 26.9508 109 0.3 46
IV.NARO.HHZ. 2021-03-04T12:13:20.91 0.6 undecidable manual S 11 27.2505 109 -0.03 49
IV.ATVA.EHZ. 2021-03-04T12:13:19.24 0.6 undecidable manual S 242 21.2676 113 0.26 47
IV.SSFR.HNZ. 2021-03-04T12:13:19.33 0.6 undecidable manual S 71 22.6551 112 -0.1 48
IV.FOSV.EHZ. 2021-03-04T12:13:19.33 0.6 undecidable manual S 113 21.3675 113 0.3 47
IV.ATCC.EHZ. 2021-03-04T12:13:19.84 0.3 undecidable manual S 154 22.755 112 0.38 69
IV.FRON.EHZ. 2021-03-04T12:13:19.64 0.6 undecidable manual S 46 23.5542 111 -0.08 49
IV.PIEI.HHZ. 2021-03-04T12:13:18.66 0.3 undecidable manual S 5 18.4704 116 0.54 66
IV.ATSC.EHZ. 2021-03-04T12:13:17.32 0.6 undecidable manual S 66 14.9739 121 0.28 47
IV.ATPC.HNZ. 2021-03-04T12:13:16.98 0.6 undecidable manual S 339 13.2756 125 0.43 46
IV.ATPI.EHZ. 2021-03-04T12:13:16.55 0.6 undecidable manual S 314 12.876 125 0.1 49
IV.ATCC.EHZ. 2021-03-04T12:13:16.10 1.0 undecidable manual P 154 22.755 112 0.23 24
IV.MURB.HHZ. 2021-03-04T12:13:16.48 0.6 undecidable manual S 177 11.7771 128 0.34 47
IV.NARO.HHZ. 2021-03-04T12:13:16.56 0.3 negative manual P 11 27.2505 109 -0.16 71
IV.BADI.EHZ. 2021-03-04T12:13:16.63 0.1 undecidable manual P 305 26.9508 109 -0.03 98
IV.ATBU.EHZ. 2021-03-04T12:13:16.50 0.6 undecidable manual S 12 12.0768 127 0.29 47
IV.PIEI.HHZ. 2021-03-04T12:13:15.17 0.3 undecidable manual P 5 18.4704 116 0.08 74
IV.SSFR.HNZ. 2021-03-04T12:13:15.53 0.1 undecidable manual P 71 22.6551 112 -0.32 93
IV.FOSV.EHZ. 2021-03-04T12:13:15.60 0.1 undecidable manual P 113 21.3675 113 -0.02 99
IV.ATVO.HHZ. 2021-03-04T12:13:15.17 0.6 undecidable manual S 279 8.9799 135 -0.24 48
IV.FRON.EHZ. 2021-03-04T12:13:15.76 0.1 undecidable manual P 46 23.5542 111 -0.26 94
IV.TB03.DHZ.01 2021-03-04T12:13:15.23 0.6 undecidable manual S 292 9.2796 134 -0.25 48
IV.ATVA.EHZ. 2021-03-04T12:13:15.59 0.1 undecidable manual P 242 21.2676 113 0 99
IV.ATLO.EHZ. 2021-03-04T12:13:15.75 0.6 undecidable manual S 236 10.6782 130 -0.09 50
IV.ATBU.EHZ. 2021-03-04T12:13:14.03 0.1 undecidable manual P 12 12.0768 127 0.04 100
IV.ATPC.HNZ. 2021-03-04T12:13:14.31 0.1 undecidable manual P 339 13.2756 125 0.12 98
IV.ATPI.EHZ. 2021-03-04T12:13:14.09 0.1 undecidable manual P 314 12.876 125 -0.04 100
IV.MURB.HHZ. 2021-03-04T12:13:14.13 0.3 undecidable manual P 177 11.7771 128 0.18 73
IV.ATSC.EHZ. 2021-03-04T12:13:14.45 0.1 undecidable manual P 66 14.9739 121 -0.02 100
IV.TB03.DHZ.01 2021-03-04T12:13:13.33 0.1 undecidable manual P 292 9.2796 134 -0.24 96
IV.ATLO.EHZ. 2021-03-04T12:13:13.60 0.1 undecidable manual P 236 10.6782 130 -0.18 97
IV.ATVO.HHZ. 2021-03-04T12:13:13.41 0.1 positive manual P 279 8.9799 135 -0.12 99
IV.ATFO.HHZ. 2021-03-04T12:13:13.99 0.6 undecidable manual S 94 4.3956 154 -0.49 46
IV.ATFO.HHZ. 2021-03-04T12:13:12.75 0.1 positive manual P 94 4.3956 154 -0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:0.9 0.0001245 0.42 AML other m 2021-03-04T12:13:15.03
IV.ATVO.HHE. ML:0.9 0.00011575 1.2 AML other m 2021-03-04T12:13:15.31
IV.MURB.HHE. ML:1.5 0.0003445 0.28 AML other m 2021-03-04T12:13:16.58
IV.MURB.HHN. ML:1.3 0.00023649999999999998 1.74 AML other m 2021-03-04T12:13:18.98
IV.PIEI.HHN. ML:1.0 0.00007569999999999998 1.5 AML other m 2021-03-04T12:13:18.91
IV.PIEI.HHE. ML:1.0 0.00008779999999999999 0.16 AML other m 2021-03-04T12:13:19.14
IV.ATCC.EHE. ML:1.0 0.00007525 0.34 AML other m 2021-03-04T12:13:20.51
IV.ATCC.EHN. ML:1.0 0.0000623 1.04 AML other m 2021-03-04T12:13:20.96
IV.NARO.HHE. ML:0.7 0.000023800000000000003 0.28 AML other m 2021-03-04T12:13:21.47
IV.NARO.HHN. ML:0.4 0.000017454999999999998 0.8 AML other m 2021-03-04T12:13:23.45
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