Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 07-03-2021 and time 13:57:29 (UTC) in region 5 km W Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km W Gubbio (PG), on

  • 07-03-2021 13:57:29 (UTC)
  • 07-03-2021 14:57:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3570, 12.5160 at 10 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 5 32216 32216
Pietralunga PG 12 2111 34327
Scheggia e Pascelupo PG 14 1393 35720
Montone PG 15 1680 37400
Costacciaro PG 16 1216 38616
Cantiano PU 16 2245 40861
Umbertide PG 16 16681 57542
Sigillo PG 19 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Perugia (166134 inhabitants)
47 Km NW of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
68 Km SW of Fano (60888 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
79 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
89 Km N of Terni (111501 inhabitants)
90 Km S of Cesena (96758 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 0.9 2021-03-07
13:57:29		 43.3567 12.5155 10 2021-03-07
14:05:13		 Sala Sismica INGV-Roma 87871411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-07 13:57:29 ± 0.13
Latitude 43.3567 ± 0.0054
Longitude 12.5155 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 87871411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 503
Semi-minor axis of confidence ellipse (meter) 346
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25811
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 87871411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-07 14:05:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2021-03-07T13:57:43.97 3.0 negative manual P -0.81 0
IV.BADI.EHZ. 2021-03-07T13:57:39.28 0.1 undecidable manual S 308 27.6501 109 0.04 96
IV.NARO.HHZ. 2021-03-07T13:57:39.12 0.1 undecidable manual S 11 28.6491 50 -0.41 89
IV.FDMO.HHZ. 2021-03-07T13:57:38.36 3.0 undecidable manual P -1.88 0
IV.PIEI.HHZ. 2021-03-07T13:57:37.00 0.1 undecidable manual S 5 19.9689 116 0.25 94
IV.PARC.HHZ. 2021-03-07T13:57:37.35 3.0 undecidable manual S -0.7 0
IV.ATMI.HHZ. 2021-03-07T13:57:37.17 3.0 undecidable manual S 0.53 0
IV.NARO.HHZ. 2021-03-07T13:57:35.09 0.1 undecidable manual P 11 28.6491 50 -0.03 97
IV.ATPC.HNE. 2021-03-07T13:57:35.40 0.1 undecidable manual S 341 14.5743 123 0.28 94
IV.ATSC.EHZ. 2021-03-07T13:57:35.49 0.1 undecidable manual S 61 15.6732 121 0.04 99
IV.ATPI.EHZ. 2021-03-07T13:57:34.65 0.1 undecidable manual S 319 13.875 125 -0.28 94
IV.FRON.EHZ. 2021-03-07T13:57:34.30 3.0 undecidable manual S -1.61 0
IV.SSFR.HHZ. 2021-03-07T13:57:34.10 3.0 positive manual P 1.15 0
IV.BADI.EHZ. 2021-03-07T13:57:34.99 0.1 undecidable manual P 308 27.6501 109 0.04 96
IV.ATCC.EHZ. 2021-03-07T13:57:34.40 3.0 undecidable manual P -0.1 0
IV.ATLO.HNZ. 2021-03-07T13:57:34.08 0.3 undecidable manual S 242 9.879 134 0.23 72
IV.FOSV.EHZ. 2021-03-07T13:57:34.03 3.0 undecidable manual P 0.23 0
IV.ATBU.HNE. 2021-03-07T13:57:34.92 0.1 undecidable manual S 11 13.4754 125 0.11 97
IV.TB03.DH1.01 2021-03-07T13:57:33.68 0.3 undecidable manual S 300 9.7791 134 -0.16 73
IV.PIEI.HHZ. 2021-03-07T13:57:33.59 0.1 undecidable manual P 5 19.9689 116 0.08 97
IV.ATLO.HNZ. 2021-03-07T13:57:32.18 0.1 undecidable manual P 242 9.879 134 0.34 93
IV.TB01.DHE.01 2021-03-07T13:57:32.73 0.1 undecidable manual S 293 6.993 144 -0.46 91
IV.ATFO.HHZ. 2021-03-07T13:57:32.16 0.3 undecidable manual S 76 4.6953 154 -0.61 65
IV.ATBU.HNE. 2021-03-07T13:57:32.58 0.1 undecidable manual P 11 13.4754 125 0.19 96
IV.ATSC.EHZ. 2021-03-07T13:57:32.89 0.1 undecidable manual P 61 15.6732 121 0.13 97
IV.ATPI.EHZ. 2021-03-07T13:57:32.47 0.1 undecidable manual P 319 13.875 125 0.01 99
IV.ATPC.HNE. 2021-03-07T13:57:32.72 0.1 undecidable manual P 341 14.5743 123 0.15 96
IV.MURB.HHZ. 2021-03-07T13:57:32.44 3.0 undecidable manual P -0.3 0
IV.TB03.DH1.01 2021-03-07T13:57:31.79 0.1 undecidable manual P 300 9.7791 134 -0.04 99
IV.TB01.DHE.01 2021-03-07T13:57:31.42 0.1 undecidable manual P 293 6.993 144 -0.03 100
IV.ATFO.HHZ. 2021-03-07T13:57:31.11 0.6 positive manual P 76 4.6953 154 -0.1 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:1.7 0.000937 0.2 AML other m 2021-03-07T13:57:32.27
IV.ATFO.HHE. ML:1.6 0.0006979999999999999 0.22 AML other m 2021-03-07T13:57:32.36
IV.ATPI.EHN. ML:0.7 0.000047799999999999996 0.28 AML other m 2021-03-07T13:57:34.93
IV.MURB.HHE. ML:0.9 0.0001055 0.82 AML other m 2021-03-07T13:57:35.80
IV.ATPI.EHE. ML:0.5 0.0000356 1.42 AML other m 2021-03-07T13:57:35.04
IV.PIEI.HHN. ML:0.7 0.00003695 1.22 AML other m 2021-03-07T13:57:37.14
IV.PIEI.HHE. ML:0.9 0.0000569 0.2 AML other m 2021-03-07T13:57:37.50
IV.SSFR.HHE. ML:1.0 0.00006165 0.88 AML other m 2021-03-07T13:57:38.53
IV.MURB.HHN. ML:0.9 0.0001026 0.24 AML other m 2021-03-07T13:57:38.53
IV.SSFR.HHN. ML:0.9 0.0000531 0.44 AML other m 2021-03-07T13:57:38.53
IV.FRON.EHE. ML:0.5 0.0000206 0.92 AML other m 2021-03-07T13:57:38.96
IV.ATCC.EHN. ML:0.8 0.00004190000000000001 1.36 AML other m 2021-03-07T13:57:39.84
IV.BADI.EHE. ML:1.2 0.0000877 0.42 AML other m 2021-03-07T13:57:39.63
IV.BADI.EHN. ML:1.2 0.00008575 0.72 AML other m 2021-03-07T13:57:39.43
IV.FRON.EHN. ML:0.7 0.0000305 0.84 AML other m 2021-03-07T13:57:40.47
IV.ATCC.EHE. ML:0.8 0.00003925 0.84 AML other m 2021-03-07T13:57:41.49
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