Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 09-03-2021 and time 06:16:10 (Italy) in region 6 km W Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 6 km W Gubbio (PG), on

  • 09-03-2021 05:16:10 (UTC)
  • 09-03-2021 06:16:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3760, 12.5110 at 6 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 6 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Cantiano PU 14 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
32 Km NE of Perugia (166134 inhabitants)
49 Km NW of Foligno (57155 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
66 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
87 Km S of Cesena (96758 inhabitants)
91 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
Bulletin
Rev1000 		ML 0.9 2021-03-09
05:16:10		 43.3765 12.5112 6 2021-07-12
16:55:01		 Bollettino Sismico Italiano INGV 88040171
Reviewed
Rev100 		ML 0.9 2021-03-09
05:16:10		 43.3795 12.5177 7 2021-03-09
05:35:28		 Sala Sismica INGV-Roma 87935881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-09 05:16:10 ± 0.07
Latitude 43.3765 ± 0.0018
Longitude 12.5112 ± 0.0025
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88040171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 63
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 335
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.43167
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 88040171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-12 13:59:22

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 87935881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-09 05:35:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-03-09T05:16:27.40 3.0 undecidable manual S 96 47.9187 50 0.27 0
IV.PARC.HHZ. 2021-03-09T05:16:24.35 0.6 undecidable manual S 324 37.3293 100 0.37 44
IV.ARVD.HHZ. 2021-03-09T05:16:23.39 3.0 undecidable manual S 69 37.2294 100 -0.55 0
IV.EL6.EHZ. 2021-03-09T05:16:20.50 0.3 undecidable manual P 96 47.9187 50 0.25 67
IV.BADI.EHZ. 2021-03-09T05:16:20.15 0.6 undecidable manual S 305 26.0517 104 -0.01 49
IV.FRON.EHZ. 2021-03-09T05:16:19.19 0.3 undecidable manual S 48 23.3544 105 -0.05 73
IV.APEC.HHZ. 2021-03-09T05:16:18.67 0.1 undecidable manual S 340 21.4674 107 0.05 97
IV.PARC.HHZ. 2021-03-09T05:16:18.36 0.1 undecidable manual P 324 37.3293 100 -0.07 94
IV.ATVA.EHE. 2021-03-09T05:16:18.58 0.1 undecidable manual S 239 21.1677 107 0.05 98
IV.SSFR.HHN. 2021-03-09T05:16:18.92 0.6 undecidable manual S 73 22.8549 106 -0.15 48
IV.ARVD.HHZ. 2021-03-09T05:16:17.75 0.6 undecidable manual P 69 37.2294 100 -0.66 41
IV.PIEI.HHZ. 2021-03-09T05:16:17.63 0.1 undecidable manual S 6 17.7711 110 0.24 94
IV.BADI.EHZ. 2021-03-09T05:16:16.08 0.1 undecidable manual P 305 26.0517 104 -0.14 95
IV.ATPC.HHE. 2021-03-09T05:16:16.19 0.3 undecidable manual S 339 12.3765 117 0.52 67
IV.ATMC.EHE. 2021-03-09T05:16:16.51 0.6 undecidable manual P 287 26.8509 103 0.14 47
IV.ATSC.EHE. 2021-03-09T05:16:16.90 0.1 undecidable manual S 70 15.0738 113 0.37 92
IV.MURB.HHZ. 2021-03-09T05:16:16.05 0.1 undecidable manual S 175 12.6762 117 0.29 94
IV.ATCC.EHZ. 2021-03-09T05:16:15.86 0.1 undecidable manual P 154 23.6541 105 0.11 96
IV.ATLO.EHE. 2021-03-09T05:16:15.23 0.1 undecidable manual S 231 10.7781 121 0.04 100
IV.ATVA.EHE. 2021-03-09T05:16:15.32 0.1 undecidable manual P 239 21.1677 107 0.04 98
IV.SSFR.HHN. 2021-03-09T05:16:15.31 0.1 undecidable manual P 73 22.8549 106 -0.28 93
IV.ATPI.EHZ. 2021-03-09T05:16:15.60 0.1 undecidable manual S 313 11.9769 118 0.03 99
IV.APEC.HHZ. 2021-03-09T05:16:15.32 0.1 undecidable manual P 340 21.4674 107 -0.01 98
IV.ATBU.EHZ. 2021-03-09T05:16:15.77 0.6 undecidable manual S 15 11.3775 119 0.39 46
IV.NARO.HHZ. 2021-03-09T05:16:15.93 0.1 undecidable manual P 12 26.5512 104 -0.39 90
IV.FRON.EHZ. 2021-03-09T05:16:15.42 0.1 undecidable manual P 48 23.3544 105 -0.27 93
IV.ATSC.EHE. 2021-03-09T05:16:14.17 0.1 undecidable manual P 70 15.0738 113 0.05 99
IV.TB03.DHZ.01 2021-03-09T05:16:14.28 0.3 undecidable manual S 289 8.5803 127 -0.27 71
IV.PIEI.HHZ. 2021-03-09T05:16:14.47 0.1 undecidable manual P 6 17.7711 110 -0.15 96
IV.TB02.DHZ.01 2021-03-09T05:16:14.42 0.1 undecidable manual S 265 8.1807 128 -0.04 100
IV.ATBU.EHZ. 2021-03-09T05:16:13.61 0.1 undecidable manual P 15 11.3775 119 0.15 97
IV.MURB.HHZ. 2021-03-09T05:16:13.81 0.1 undecidable manual P 175 12.6762 117 0.13 97
IV.ATFO.HHZ. 2021-03-09T05:16:13.50 0.1 undecidable manual S 103 4.995 142 -0.16 98
IV.TB01.DHZ.01 2021-03-09T05:16:13.72 0.1 undecidable manual S 275 6.0939 136 -0.19 97
IV.ATLO.EHE. 2021-03-09T05:16:13.37 0.1 positive manual P 231 10.7781 121 0.01 100
IV.ATPC.HHE. 2021-03-09T05:16:13.67 0.1 undecidable manual P 339 12.3765 117 0.04 99
IV.ATPI.EHZ. 2021-03-09T05:16:13.52 0.6 positive manual P 313 11.9769 118 -0.05 50
IV.TB02.DHZ.01 2021-03-09T05:16:12.88 0.1 undecidable manual P 265 8.1807 128 -0.05 100
IV.TB03.DHZ.01 2021-03-09T05:16:12.90 0.1 undecidable manual P 289 8.5803 127 -0.09 99
IV.ATFO.HHZ. 2021-03-09T05:16:12.40 0.1 undecidable manual P 103 4.995 142 -0.07 100
IV.TB01.DHZ.01 2021-03-09T05:16:12.55 0.1 positive manual P 275 6.0939 136 -0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.6 0.0000543 0.36 AML other m 2021-03-09T05:16:15.73
IV.ATPI.EHN. ML:0.8 0.00009275 1.04 AML other m 2021-03-09T05:16:16.86
IV.MURB.HHN. ML:1.1 0.00014350000000000002 0.44 AML other m 2021-03-09T05:16:16.43
IV.MURB.HHE. ML:1.4 0.000312 0.58 AML other m 2021-03-09T05:16:16.32
IV.PIEI.HHN. ML:0.7 0.000052000000000000004 0.24 AML other m 2021-03-09T05:16:18.13
IV.PIEI.HHE. ML:0.9 0.00007539999999999999 0.28 AML other m 2021-03-09T05:16:18.36
IV.FRON.EHE. ML:0.6 0.000027400000000000002 1 AML other m 2021-03-09T05:16:19.89
IV.ATCC.EHN. ML:0.8 0.00004635 0.24 AML other m 2021-03-09T05:16:20.21
IV.ATCC.EHE. ML:1.0 0.0000663 0.14 AML other m 2021-03-09T05:16:20.23
IV.BADI.EHN. ML:1.2 0.00010674999999999999 0.2 AML other m 2021-03-09T05:16:20.41
IV.BADI.EHE. ML:1.2 0.00009065000000000001 0.6 AML other m 2021-03-09T05:16:20.40
IV.FRON.EHN. ML:0.6 0.00003195 0.42 AML other m 2021-03-09T05:16:21.26
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