Earthquake with magnitude of ML 0.4 on date 19-12-2020 and time 21:42:08 (UTC) in region 3 km NW Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 3 km NW Gubbio (PG), on

  • 19-12-2020 21:42:08 (UTC)
  • 19-12-2020 22:42:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3700, 12.5560 at 4 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.

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 10 1393 33609
Pietralunga PG 13 2111 35720
Costacciaro PG 13 1216 36936
Cantiano PU 13 2245 39181
Sigillo PG 16 2404 41585
Montone PG 18 1680 43265
Fossato di Vico PG 19 2840 46105
Umbertide PG 20 16681 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
55 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
83 Km W of Ancona (100861 inhabitants)
89 Km S of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
99 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 0.4 2020-12-19
21:42:08
43.3702 12.5558 4 2021-02-26
14:56:15
Bollettino Sismico Italiano INGV 86226941
Reviewed
Rev100
ML 0.3 2020-12-19
21:42:08
43.3735 12.5548 3 2020-12-19
21:49:19
Sala Sismica INGV-Roma 85557771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-19 21:42:08 ± 0.08
Latitude 43.3702 ± 0.0027
Longitude 12.5558 ± 0.0025
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86226941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 46
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
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 37
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26530
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 86226941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-13 15:29:47

ML:0.3

Field Value
Value 0.3
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 85557771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-19 21:49:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.MNT3.HHZ.02 2020-12-19T21:43:32.30 3.0 undecidable manual Sg 3.98 0
IV.SARZ.HHZ. 2020-12-19T21:43:26.07 3.0 undecidable manual Sg 4.09 0
IV.SPS2.HHZ. 2020-12-19T21:43:25.50 3.0 undecidable manual Pg 9.34 0
IV.CET2.HHZ. 2020-12-19T21:43:18.58 3.0 undecidable manual Pg 7.45 0
IV.CPOZ.HHZ. 2020-12-19T21:43:09.96 3.0 undecidable manual Sn -9.32 0
IV.SBPO.HNZ. 2020-12-19T21:42:59.38 3.0 undecidable manual Sn -2.59 0
IV.CPOZ.HHZ. 2020-12-19T21:42:48.50 3.0 undecidable manual Pg 2.53 0
IV.BADI.EHZ. 2020-12-19T21:42:18.57 0.3 undecidable manual S 302 29.4483 98 -0.06 72
IV.NARO.HHZ. 2020-12-19T21:42:17.29 0.6 undecidable manual S 4 26.751 99 -0.42 45
IV.ATCC.EHZ. 2020-12-19T21:42:16.17 0.3 undecidable manual S 162 21.6672 101 0.22 71
IV.APEC.HNZ. 2020-12-19T21:42:16.56 0.6 undecidable manual S 332 23.5542 100 -0.05 49
IV.SSFR.HHZ. 2020-12-19T21:42:15.51 0.6 undecidable manual S 68 19.6692 102 0.22 47
IV.BADI.EHZ. 2020-12-19T21:42:14.02 0.3 undecidable manual P 302 29.4483 98 -0.25 69
IV.FIR.HHZ. 2020-12-19T21:42:14.86 3.0 undecidable manual P -6.81 0
IV.ATSC.EHE. 2020-12-19T21:42:13.13 0.1 undecidable manual S 60 12.0768 109 0.38 93
IV.APEC.HNZ. 2020-12-19T21:42:13.17 0.1 undecidable manual P 332 23.5542 100 0.07 97
IV.ATPC.HHZ. 2020-12-19T21:42:13.81 0.3 undecidable manual S 327 14.5743 106 0.23 72
IV.ATLO.HNE. 2020-12-19T21:42:13.34 0.3 undecidable manual S 243 13.4754 107 0.15 73
IV.NARO.HHZ. 2020-12-19T21:42:13.31 0.6 undecidable manual P 4 26.751 99 -0.42 45
IV.ATPI.EHZ. 2020-12-19T21:42:13.97 0.3 undecidable manual S 306 15.2736 106 0.17 72
IV.TB02.DHZ.01 2020-12-19T21:42:12.87 0.1 undecidable manual S 270 11.7771 110 0.21 96
IV.ATCC.EHZ. 2020-12-19T21:42:12.42 0.3 undecidable manual P 162 21.6672 101 -0.3 70
IV.TB01.DHN.01 2020-12-19T21:42:12.12 0.3 undecidable manual S 277 9.7791 113 0.12 74
IV.ATBU.HNZ. 2020-12-19T21:42:12.79 0.3 undecidable manual S 357 11.6772 110 0.16 73
IV.SSFR.HHZ. 2020-12-19T21:42:12.21 0.1 undecidable manual P 68 19.6692 102 -0.12 97
IV.ATVO.HHZ. 2020-12-19T21:42:12.71 0.3 undecidable manual S 276 12.0768 109 -0.04 75
IV.ATLO.HNE. 2020-12-19T21:42:11.05 0.3 undecidable manual P 243 13.4754 107 -0.08 74
IV.ATPI.EHZ. 2020-12-19T21:42:11.34 0.6 undecidable manual P 306 15.2736 106 -0.13 49
IV.MURB.HHZ. 2020-12-19T21:42:11.08 0.3 undecidable manual P 192 12.1767 109 0.19 72
IV.ATPC.HHZ. 2020-12-19T21:42:11.27 0.3 undecidable manual P 327 14.5743 106 -0.08 74
IV.ATBU.HNZ. 2020-12-19T21:42:10.80 0.6 undecidable manual P 357 11.6772 110 0 50
IV.ATVO.HHZ. 2020-12-19T21:42:10.79 0.3 undecidable manual P 276 12.0768 109 -0.08 74
IV.TB02.DHZ.01 2020-12-19T21:42:10.73 0.3 undecidable manual P 270 11.7771 110 -0.09 74
IV.TB01.DHN.01 2020-12-19T21:42:10.40 0.1 undecidable manual P 277 9.7791 113 -0.04 100
IV.ATSC.EHE. 2020-12-19T21:42:10.95 0.1 undecidable manual P 60 12.0768 109 0.08 99
IV.ATFO.HHZ. 2020-12-19T21:42:09.58 0.3 undecidable manual S 108 1.2987 163 -0.27 73
IV.ATFO.HHZ. 2020-12-19T21:42:08.99 0.1 undecidable manual P 108 1.2987 163 -0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.2 0.000020404449999999997 0.1152 AML other m 2020-12-19T21:42:13.15
IV.ATVO.HHN. ML:0.2 0.00001830068 0.1792 AML other m 2020-12-19T21:42:14.07
IV.MURB.HNN. ML:0.9 0.000118482695 1.4368 AML other m 2020-12-19T21:42:15.78
IV.MURB.HHE. ML:0.4 0.0000386971 0.2304 AML other m 2020-12-19T21:42:15.23
IV.MURB.HHN. ML:0.6 0.00005575206000000001 0.256 AML other m 2020-12-19T21:42:15.45
IV.MURB.HNE. ML:1.0 0.0001453404 0.6912 AML other m 2020-12-19T21:42:16.72
IV.ATCC.EHE. ML:0.3 0.000013196395 0.192 AML other m 2020-12-19T21:42:17.61
IV.ATCC.EHN. ML:0.3 0.000013540734 0.2176 AML other m 2020-12-19T21:42:17.88
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