Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 03-12-2020 and time 20:31:39 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 1.4 earthquake occured in region: 5 km W Gubbio (PG), on

  • 03-12-2020 19:31:39 (UTC)
  • 03-12-2020 20:31:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3690, 12.5180 at 8 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 5 32216 32216
Pietralunga PG 11 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)
85 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
Bulletin
Rev1000 		ML 1.4 2020-12-03
19:31:39		 43.369 12.5182 8 2021-02-26
14:56:10		 Bollettino Sismico Italiano INGV 85333411
Reviewed
Rev100 		ML 1.5 2020-12-03
19:31:39		 43.3673 12.5193 8 2020-12-03
19:39:57		 Sala Sismica INGV-Roma 85181851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-03 19:31:39 ± 0.04
Latitude 43.3690 ± 0.0018
Longitude 12.5182 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85333411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 203
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 64
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.56567
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 85333411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-23 14:23:21

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 29
Type of magnitude ML
Reference to an origin 85181851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-03 19:39:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-12-03T19:31:59.32 0.1 undecidable manual S 129 58.9965 50 0.54 81
IV.MGAB.HHZ. 2020-12-03T19:31:59.32 0.1 undecidable manual S 213 60.3951 50 0.18 89
IV.MOMA.HHZ. 2020-12-03T19:31:59.79 0.3 undecidable manual S 176 62.7927 50 -0.01 68
IV.CRE.HHZ. 2020-12-03T19:31:57.76 0.1 undecidable manual S 301 53.3022 50 0.49 84
IV.EL6.EHZ. 2020-12-03T19:31:55.98 0.1 undecidable manual S 95 47.3193 50 0.32 88
IV.CAFI.HHZ. 2020-12-03T19:31:54.73 0.1 undecidable manual S 265 44.7219 50 -0.24 90
IV.MPAG.EHZ. 2020-12-03T19:31:52.14 0.1 undecidable manual S 34 34.8429 50 -0.18 93
IV.ASSB.HHZ. 2020-12-03T19:31:52.72 0.1 undecidable manual S 163 37.9287 50 -0.44 87
IV.SNTG.HHZ. 2020-12-03T19:31:52.60 0.1 undecidable manual S 110 36.3414 50 -0.14 93
IV.ARVD.HHZ. 2020-12-03T19:31:52.93 0.1 undecidable manual S 67 37.0296 50 0.02 95
IV.MOMA.HHZ. 2020-12-03T19:31:51.98 0.3 undecidable manual P 176 62.7927 50 0.56 60
IV.CRE.HHZ. 2020-12-03T19:31:50.47 0.1 undecidable manual P 301 53.3022 50 0.51 83
IV.FDMO.HHZ. 2020-12-03T19:31:50.48 0.1 undecidable manual P 129 58.9965 50 -0.35 86
IV.MGAB.HHZ. 2020-12-03T19:31:50.99 0.1 undecidable manual P 213 60.3951 50 -0.05 91
IV.NARO.HHZ. 2020-12-03T19:31:49.60 0.1 undecidable manual S 11 27.2505 107 -0.27 92
IV.ATMC.EHZ. 2020-12-03T19:31:49.76 0.1 undecidable manual S 288 27.5502 107 -0.22 93
IV.BADI.EHZ. 2020-12-03T19:31:49.93 0.1 undecidable manual S 305 27.0507 107 0.15 95
IV.ATCC.EHZ. 2020-12-03T19:31:48.97 0.1 undecidable manual S 154 22.6551 110 0.62 84
IV.EL6.EHZ. 2020-12-03T19:31:48.71 0.1 undecidable manual P 95 47.3193 50 -0.31 88
IV.FRON.EHZ. 2020-12-03T19:31:48.68 0.1 undecidable manual S 45 23.4543 110 0.06 97
IV.SSFR.HHZ. 2020-12-03T19:31:48.47 0.1 undecidable manual S 71 22.5552 110 0.15 95
IV.APEC.HHZ. 2020-12-03T19:31:48.52 0.1 undecidable manual S 339 22.4553 110 0.24 94
IV.CAFI.HHZ. 2020-12-03T19:31:48.54 0.1 undecidable manual P 265 44.7219 50 -0.09 93
IV.ARVD.HHZ. 2020-12-03T19:31:47.09 0.1 positive manual P 67 37.0296 50 -0.34 89
IV.ATVA.EHZ. 2020-12-03T19:31:47.85 0.1 undecidable manual S 242 21.2676 111 -0.05 97
IV.FOSV.EHZ. 2020-12-03T19:31:47.85 0.1 undecidable manual S 113 21.2676 111 -0.05 98
IV.ASSB.HHZ. 2020-12-03T19:31:47.34 0.1 undecidable manual P 163 37.9287 50 -0.24 91
IV.ATMI.HHZ. 2020-12-03T19:31:47.82 0.1 undecidable manual S 259 20.5683 112 0.16 95
IT.UMBT.HGZ. 2020-12-03T19:31:46.23 0.1 undecidable manual S 243 15.7731 118 0.05 98
IV.ATSC.EHZ. 2020-12-03T19:31:46.27 0.1 undecidable manual S 66 14.874 119 0.38 92
IV.MPAG.EHZ. 2020-12-03T19:31:46.82 0.1 undecidable manual P 34 34.8429 50 -0.28 91
IV.SNTG.HHZ. 2020-12-03T19:31:46.88 0.1 undecidable manual P 110 36.3414 50 -0.46 87
IV.NARO.HHZ. 2020-12-03T19:31:45.36 0.1 undecidable manual P 11 27.2505 107 -0.33 91
IV.ATMC.EHZ. 2020-12-03T19:31:45.69 0.1 undecidable manual P 288 27.5502 107 -0.06 96
IV.ATPC.HHN. 2020-12-03T19:31:45.90 0.1 undecidable manual S 338 13.3755 122 0.47 90
IV.BADI.EHZ. 2020-12-03T19:31:45.57 0.1 undecidable manual P 305 27.0507 107 -0.06 96
IV.ATPI.EHZ. 2020-12-03T19:31:45.35 0.3 undecidable manual S 314 12.9759 123 0.02 100
IV.ATBU.HNN. 2020-12-03T19:31:45.54 0.1 undecidable manual S 12 12.0768 125 0.47 91
IV.MURB.HHZ. 2020-12-03T19:31:45.31 0.1 undecidable manual S 177 11.7771 125 0.33 93
IV.SSFR.HHZ. 2020-12-03T19:31:44.67 0.1 negative manual P 71 22.5552 110 -0.12 96
IV.APEC.HHZ. 2020-12-03T19:31:44.83 0.1 negative manual P 339 22.4553 110 0.06 97
IV.ATLO.HNE. 2020-12-03T19:31:44.65 0.1 undecidable manual S 236 10.7781 128 -0.05 99
IV.ATMI.HHZ. 2020-12-03T19:31:44.51 0.1 undecidable manual P 259 20.5683 112 0.1 97
IV.FRON.EHZ. 2020-12-03T19:31:44.80 0.1 positive manual P 45 23.4543 110 -0.17 95
IV.ATCC.EHZ. 2020-12-03T19:31:44.92 0.1 undecidable manual P 154 22.6551 110 0.12 96
IV.ATVA.EHZ. 2020-12-03T19:31:44.60 0.1 undecidable manual P 242 21.2676 111 0.05 98
IV.TB03.DHZ.01 2020-12-03T19:31:44.19 0.1 undecidable manual S 292 9.3795 132 -0.14 98
IV.FOSV.EHZ. 2020-12-03T19:31:44.55 0.1 positive manual P 113 21.2676 111 0 98
IV.ATBU.HNN. 2020-12-03T19:31:43.14 0.1 undecidable manual P 12 12.0768 125 0.23 95
IT.UMBT.HGZ. 2020-12-03T19:31:43.94 0.3 undecidable manual P 243 15.7731 118 0.39 69
IV.TB02.DHN.01 2020-12-03T19:31:43.98 0.1 undecidable manual S 271 8.7801 134 -0.19 97
IV.TB01.DHZ.01 2020-12-03T19:31:43.34 0.1 undecidable manual S 282 6.7932 141 -0.36 94
IV.ATPC.HHN. 2020-12-03T19:31:43.23 0.1 undecidable manual P 338 13.3755 122 0.11 98
IV.ATVO.HHZ. 2020-12-03T19:31:43.94 0.1 undecidable manual S 279 9.0798 133 -0.32 94
IV.ATSC.EHZ. 2020-12-03T19:31:43.46 0.1 undecidable manual P 66 14.874 119 0.07 98
IV.ATPI.EHZ. 2020-12-03T19:31:43.09 0.1 undecidable manual P 314 12.9759 123 0.03 99
IV.TB02.DHN.01 2020-12-03T19:31:42.32 0.1 undecidable manual P 271 8.7801 134 -0.07 99
IV.TB03.DHZ.01 2020-12-03T19:31:42.42 0.1 undecidable manual P 292 9.3795 132 -0.06 99
IV.ATVO.HHZ. 2020-12-03T19:31:42.34 0.1 positive manual P 279 9.0798 133 -0.1 99
IV.MURB.HHZ. 2020-12-03T19:31:42.90 0.1 undecidable manual P 177 11.7771 125 0.04 99
IV.ATLO.HNE. 2020-12-03T19:31:42.71 0.1 undecidable manual P 236 10.7781 128 0.01 100
IV.ATFO.HHZ. 2020-12-03T19:31:42.63 0.1 undecidable manual S 94 4.2957 153 -0.6 88
IV.ATFO.HHZ. 2020-12-03T19:31:41.59 0.1 positive manual P 94 4.2957 153 -0.26 96
IV.TB01.DHZ.01 2020-12-03T19:31:41.99 0.1 undecidable manual P 282 6.7932 141 -0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.8 0.000866 0.1 AML other m 2020-12-03T19:31:44.20
IV.ATVO.HHE. ML:1.5 0.0005275 0.14 AML other m 2020-12-03T19:31:44.28
IV.MURB.HNE. ML:1.9 0.0009385 0.3 AML other m 2020-12-03T19:31:45.40
IV.MURB.HHE. ML:1.9 0.001034 0.36 AML other m 2020-12-03T19:31:45.73
IV.ATPI.EHN. ML:1.2 0.00016780395 0.3328 AML other m 2020-12-03T19:31:45.65
IV.MURB.HHN. ML:1.5 0.00041253205000000003 0.384 AML other m 2020-12-03T19:31:45.50
IV.APEC.HHN. ML:1.2 0.00011720726499999999 0.4608 AML other m 2020-12-03T19:31:48.87
IV.ATCC.EHN. ML:1.4 0.00016450000000000001 1.48 AML other m 2020-12-03T19:31:49.82
IV.APEC.HHE. ML:1.4 0.000188 0.14 AML other m 2020-12-03T19:31:49.17
IV.SSFR.HHE. ML:1.8 0.00041851919999999997 0.192 AML other m 2020-12-03T19:31:49.14
IV.SSFR.HHN. ML:1.6 0.0002937074 0.2432 AML other m 2020-12-03T19:31:48.88
IV.ATMI.HHE. ML:1.2 0.00011317322499999999 0.4992 AML other m 2020-12-03T19:31:48.56
IV.BADI.EHN. ML:1.8 0.0003485 0.18 AML other m 2020-12-03T19:31:50.14
IV.ATCC.EHE. ML:1.4 0.00018241055 0.2176 AML other m 2020-12-03T19:31:49.25
IV.BADI.EHE. ML:1.7 0.0002705 0.94 AML other m 2020-12-03T19:31:50.13
IV.ASSB.HHN. ML:1.3 0.0000823836 0.384 AML other m 2020-12-03T19:31:53.26
IV.SNTG.HHN. ML:1.6 0.0001595 0.26 AML other m 2020-12-03T19:31:53.21
IV.ATMI.HHN. ML:1.3 0.00013585399999999998 0.4224 AML other m 2020-12-03T19:31:48.10
IV.SNTG.HHE. ML:1.3 0.0000842 0.52 AML other m 2020-12-03T19:31:53.60
IV.ASSB.HHE. ML:1.1 0.000048985395 0.32 AML other m 2020-12-03T19:31:53.08
IV.CAFI.HHE. ML:1.1 0.00003595577 0.128 AML other m 2020-12-03T19:31:55.11
IV.CAFI.HHN. ML:1.2 0.00004445 0.46 AML other m 2020-12-03T19:31:57.24
IV.ATPI.HNN. ML:1.0 0.00012428220000000001 0.3328 AML other m 2020-12-03T19:31:45.65
IV.FDMO.HHN. ML:1.3 0.00003985951 0.6144 AML other m 2020-12-03T19:31:59.68
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