Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 29-01-2021 and time 10:26:39 (Italy) in region 3 km S Gubbio (PG)

A magnitude ML 0.8 earthquake occured in region: 3 km S Gubbio (PG), on

  • 29-01-2021 09:26:39 (UTC)
  • 29-01-2021 10:26:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3280, 12.5690 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 3 32216 32216
Scheggia e Pascelupo PG 12 1393 33609
Costacciaro PG 12 1216 34825
Sigillo PG 14 2404 37229
Fossato di Vico PG 16 2840 40069
Pietralunga PG 17 2111 42180
Cantiano PU 17 2245 44425
Valfabbrica PG 19 3389 47814
Umbertide PG 20 16681 64495
Montone PG 20 1680 66175

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Perugia (166134 inhabitants)
43 Km N of Foligno (57155 inhabitants)
58 Km E of Arezzo (99543 inhabitants)
68 Km SW of Fano (60888 inhabitants)
71 Km SW of Pesaro (94582 inhabitants)
82 Km S of Rimini (147750 inhabitants)
83 Km W of Ancona (100861 inhabitants)
86 Km N of Terni (111501 inhabitants)
94 Km S of Cesena (96758 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 0.8 2021-01-29
09:26:39		 43.3283 12.5692 7 2021-07-12
16:54:58		 Bollettino Sismico Italiano INGV 87044451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-29 09:26:39 ± 0.07
Latitude 43.3283 ± 0.0018
Longitude 12.5692 ± 0.0025
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87044451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
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) 58
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33095
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 87044451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-11 13:06:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ENIC.HNZ. 2021-01-29T09:29:11.70 3.0 undecidable manual Sn -7.58 0
AC.VLO.HHZ. 2021-01-29T09:28:27.03 3.0 negative manual Pg 19.32 0
OE.ARSA.BHZ. 2021-01-29T09:28:25.87 3.0 undecidable manual Sn -9.99 0
IV.ENIC.HNZ. 2021-01-29T09:28:19.80 3.0 undecidable manual Pg 13.79 0
IX.SFL3.HNZ.01 2021-01-29T09:28:13.42 3.0 undecidable manual Sn -5.62 0
IV.MPNC.HHZ. 2021-01-29T09:28:09.30 3.0 negative manual Pg 8.36 0
MN.PDG.HHZ. 2021-01-29T09:28:07.50 3.0 positive manual Pg 12.19 0
IV.GIZZ.HHZ. 2021-01-29T09:28:05.65 3.0 undecidable manual Pg 10.03 0
IV.PTRJ.HHZ. 2021-01-29T09:27:58.21 3.0 undecidable manual Sg 2.72 0
IV.SPS2.HHZ. 2021-01-29T09:27:58.15 3.0 negative manual Pg 5.16 0
IV.AGLI.HHZ. 2021-01-29T09:27:58.72 3.0 undecidable manual Sg -2.25 0
IT.LRNO.HNZ. 2021-01-29T09:27:57.58 3.0 undecidable manual Sg 4.15 0
IV.SERS.HHZ. 2021-01-29T09:27:56.79 3.0 positive manual Pn -1.26 0
IV.MILN.HHZ. 2021-01-29T09:27:53.82 3.0 undecidable manual Sg 0.29 0
IX.STN3.HHZ.02 2021-01-29T09:27:41.92 3.0 undecidable manual Pg 6.65 0
IV.LRP.EHZ. 2021-01-29T09:27:29.93 3.0 undecidable manual Sn -9.42 0
ST.VARA.EHZ. 2021-01-29T09:27:15.67 3.0 negative manual Pg 2.05 0
IV.ARRO.EHZ. 2021-01-29T09:27:02.89 3.0 undecidable manual Sg -8.9 0
IV.BADI.EHE. 2021-01-29T09:26:51.10 0.6 undecidable manual S 308 33.0447 102 -0.09 47
IV.FRON.EHZ. 2021-01-29T09:26:48.19 0.6 undecidable manual S 31 24.4533 106 -0.14 47
IV.SSFR.HHN. 2021-01-29T09:26:47.11 0.6 undecidable manual S 55 20.9679 108 -0.04 49
IV.PIEI.HHZ. 2021-01-29T09:26:47.85 0.3 undecidable manual S 353 23.1546 107 -0.03 73
IV.ATPC.HHE. 2021-01-29T09:26:46.90 0.3 undecidable manual S 332 19.1697 110 0.34 69
IV.NARO.HHZ. 2021-01-29T09:26:46.23 0.6 undecidable manual P 2 31.3464 102 0.31 45
IV.MPAG.EHZ. 2021-01-29T09:26:46.82 0.6 undecidable manual P 25 36.741 101 -0.16 46
IV.BADI.EHE. 2021-01-29T09:26:46.10 0.1 undecidable manual P 308 33.0447 102 -0.15 93
IV.ATCC.EHZ. 2021-01-29T09:26:45.89 0.3 undecidable manual S 160 16.872 112 0.06 73
IV.TB03.DHZ. 2021-01-29T09:26:45.37 0.6 undecidable manual S 302 15.1737 115 0.1 48
IV.ATSC.EHE. 2021-01-29T09:26:45.12 0.6 undecidable manual S 42 14.1747 116 0.14 48
IV.PIEI.HHZ. 2021-01-29T09:26:44.38 0.3 undecidable manual P 353 23.1546 107 0.04 72
IV.TB02.DHZ. 2021-01-29T09:26:44.82 0.6 undecidable manual S 290 13.6752 117 0 50
IV.FRON.EHZ. 2021-01-29T09:26:44.19 0.3 undecidable manual P 31 24.4533 106 -0.41 67
IV.TB01.DHZ.01 2021-01-29T09:26:44.38 0.6 undecidable manual S 299 12.2766 119 0 50
IV.ATLO.EHE. 2021-01-29T09:26:44.48 0.6 undecidable manual S 264 13.1757 118 -0.17 48
IV.SSFR.HHN. 2021-01-29T09:26:43.82 0.1 undecidable manual P 55 20.9679 108 -0.09 96
IV.ATPC.HHE. 2021-01-29T09:26:43.85 0.1 undecidable manual P 332 19.1697 110 0.28 93
IV.FOSV.HNE. 2021-01-29T09:26:43.25 0.3 undecidable manual P 103 15.9729 113 0.27 70
IV.ATCC.EHZ. 2021-01-29T09:26:43.21 0.3 undecidable manual P 160 16.872 112 0.06 73
IV.ATFO.HHN. 2021-01-29T09:26:42.24 0.3 undecidable manual S 3 4.1958 148 -0.07 74
IV.TB01.DHZ.01 2021-01-29T09:26:42.37 0.3 undecidable manual P 299 12.2766 119 0.05 74
IV.ATLO.EHE. 2021-01-29T09:26:42.34 0.1 undecidable manual P 264 13.1757 118 -0.13 97
IV.TB03.DHZ. 2021-01-29T09:26:42.77 0.1 undecidable manual P 302 15.1737 115 -0.06 98
IV.ATSC.EHE. 2021-01-29T09:26:42.66 0.1 undecidable manual P 42 14.1747 116 0 99
IV.TB02.DHZ. 2021-01-29T09:26:42.62 0.1 undecidable manual P 290 13.6752 117 0.05 98
IV.MURB.HHZ. 2021-01-29T09:26:41.63 0.1 undecidable manual P 206 8.0808 130 0 100
IV.ATFO.HHN. 2021-01-29T09:26:41.05 0.1 undecidable manual P 3 4.1958 148 -0.07 99
IV.RIBO.EHZ.01 2021-01-29T09:26:40.68 3.0 undecidable manual P -8.49 0
TV.SF04.EHZ. 2021-01-29T09:26:37.54 3.0 positive manual P -8.71 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.0 0.000185 0.32 AML other m 2021-01-29T09:26:44.30
IV.MURB.HHN. ML:0.9 0.0001305 0.44 AML other m 2021-01-29T09:26:46.51
IV.PIEI.HHE. ML:0.8 0.000040050000000000004 1.08 AML other m 2021-01-29T09:26:49.20
IV.PIEI.HHN. ML:0.6 0.000026500000000000004 1.58 AML other m 2021-01-29T09:26:57.94
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