Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 19-12-2020 and time 14:05:20 (Italy) in region 7 km NW Gubbio (PG)

A magnitude ML 0.6 earthquake occured in region: 7 km NW Gubbio (PG), on

  • 19-12-2020 13:05:20 (UTC)
  • 19-12-2020 14:05:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3920, 12.5060 at 9 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 7 32216 32216
Pietralunga PG 8 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Cantiano PU 14 2245 37965
Montone PG 15 1680 39645
Costacciaro PG 17 1216 40861
Umbertide PG 17 16681 57542
Apecchio PU 20 1882 59424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Perugia (166134 inhabitants)
51 Km NW of Foligno (57155 inhabitants)
51 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
86 Km S of Cesena (96758 inhabitants)
93 Km N of Terni (111501 inhabitants)
95 Km E of Siena (53903 inhabitants)
100 Km SE of Forlì (117913 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 0.6 2020-12-19
13:05:20		 43.3918 12.506 9 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86175021
Reviewed
Rev100 		ML 0.5 2020-12-19
13:05:20		 43.391 12.5072 7 2020-12-19
13:14:07		 Sala Sismica INGV-Roma 85547701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-19 13:05:20 ± 0.07
Latitude 43.3918 ± 0.0027
Longitude 12.5060 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86175021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 86175021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-11 15:32:19

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 85547701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-19 13:14:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAP2.EHZ. 2020-12-19T13:05:37.28 3.0 positive manual P 0.5 0
IV.ATCC.EHZ. 2020-12-19T13:05:30.11 0.3 undecidable manual S 155 25.3524 109 0.28 69
IV.NARO.HHZ. 2020-12-19T13:05:29.47 0.3 undecidable manual S 14 25.0527 109 -0.25 69
IV.SSFR.HHZ. 2020-12-19T13:05:28.85 0.3 undecidable manual S 77 22.755 111 -0.14 71
IV.PARC.HHE. 2020-12-19T13:05:27.67 0.1 undecidable manual P 323 35.742 50 -0.09 94
IV.PE3.EHE. 2020-12-19T13:05:27.04 0.6 undecidable manual P 359 33.744 50 -0.42 44
IV.MPAG.EHZ. 2020-12-19T13:05:26.97 0.6 undecidable manual P 38 33.3444 50 -0.43 44
IV.ATSC.EHZ. 2020-12-19T13:05:26.63 0.3 undecidable manual S 76 14.9739 120 0.1 73
IV.MURB.HHZ. 2020-12-19T13:05:26.49 0.3 undecidable manual S 174 14.3745 121 0.14 72
IV.ATCC.EHZ. 2020-12-19T13:05:26.00 0.3 undecidable manual P 155 25.3524 109 0.1 72
IV.ATMC.EHZ. 2020-12-19T13:05:26.27 0.3 undecidable manual P 284 25.9518 108 0.26 69
IV.ATPC.HHZ. 2020-12-19T13:05:25.67 0.3 undecidable manual S 338 10.5783 129 0.39 69
IV.SSFR.HHZ. 2020-12-19T13:05:25.28 0.3 undecidable manual P 77 22.755 111 -0.14 71
IV.ATMI.HHZ. 2020-12-19T13:05:25.36 0.6 undecidable manual P 252 20.2686 113 0.42 45
IV.ATPI.EHZ. 2020-12-19T13:05:25.23 0.3 undecidable manual S 308 10.5783 129 -0.05 74
IV.NARO.HHZ. 2020-12-19T13:05:25.85 0.3 undecidable manual P 14 25.0527 109 0.01 73
IV.ATBU.HNZ. 2020-12-19T13:05:25.46 0.3 undecidable manual S 20 9.879 131 0.36 70
IV.ATLO.EHZ. 2020-12-19T13:05:25.52 0.3 undecidable manual S 223 11.6772 127 -0.05 74
IV.TB02.DHZ.01 2020-12-19T13:05:24.58 0.3 undecidable manual S 253 8.1807 137 -0.08 74
IV.TB03.DHZ.01 2020-12-19T13:05:24.35 0.3 undecidable manual S 278 7.7811 138 -0.22 72
IV.ATSC.EHZ. 2020-12-19T13:05:24.01 0.1 undecidable manual P 76 14.9739 120 0.02 99
IV.ATVO.HHZ. 2020-12-19T13:05:24.35 0.3 undecidable manual S 262 8.0808 137 -0.29 71
IV.MURB.HHZ. 2020-12-19T13:05:24.10 0.3 undecidable manual P 174 14.3745 121 0.21 71
IV.ATFO.HHZ. 2020-12-19T13:05:23.71 0.3 undecidable manual S 118 5.994 145 -0.47 68
IV.ATLO.EHZ. 2020-12-19T13:05:23.49 0.1 undecidable manual P 223 11.6772 127 0.05 99
IV.TB01.DHZ.01 2020-12-19T13:05:23.86 0.3 undecidable manual S 259 5.7942 146 -0.28 71
IV.ATPC.HHZ. 2020-12-19T13:05:23.60 0.1 undecidable manual P 338 10.5783 129 0.33 93
IV.ATPI.EHZ. 2020-12-19T13:05:23.28 0.1 undecidable manual P 308 10.5783 129 0.01 100
IV.ATBU.HNZ. 2020-12-19T13:05:23.38 0.1 undecidable manual P 20 9.879 131 0.21 96
IV.ATVO.HHZ. 2020-12-19T13:05:22.84 0.1 undecidable manual P 262 8.0808 137 -0.06 99
IV.ATFO.HHZ. 2020-12-19T13:05:22.49 0.1 undecidable manual P 118 5.994 145 -0.15 98
IV.TB02.DHZ.01 2020-12-19T13:05:22.93 0.1 undecidable manual P 253 8.1807 137 0.02 100
IV.TB01.DHZ.01 2020-12-19T13:05:22.58 0.1 undecidable manual P 259 5.7942 146 -0.04 100
IV.TB03.DHZ.01 2020-12-19T13:05:22.82 0.1 undecidable manual P 278 7.7811 138 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHN. ML:1.0 0.00017038710000000001 0.1984 AML other m 2020-12-19T13:05:23.85
IV.ATFO.HHE. ML:1.0 0.0001808432 0.1984 AML other m 2020-12-19T13:05:23.85
IV.ATVO.HHN. ML:0.8 0.000093126575 0.16 AML other m 2020-12-19T13:05:24.42
IV.ATVO.HHE. ML:0.6 0.00005587680000000001 0.096 AML other m 2020-12-19T13:05:24.67
IV.ATPI.EHE. ML:0.2 0.000020992541500000003 0.0832 AML other m 2020-12-19T13:05:25.48
IV.ATPI.EHN. ML:0.4 0.000029047674999999998 0.1408 AML other m 2020-12-19T13:05:25.55
IV.MURB.HHE. ML:0.8 0.000068478925 0.2624 AML other m 2020-12-19T13:05:26.80
IV.MURB.HHN. ML:0.7 0.000054179665 0.2368 AML other m 2020-12-19T13:05:27.75
IV.NARO.HHN. ML:0.2 0.0000081161865 0.064 AML other m 2020-12-19T13:05:29.62
IV.NARO.HHE. ML:0.4 0.0000136280235 0.0576 AML other m 2020-12-19T13:05:29.79
IV.ATCC.EHN. ML:0.4 0.000015306339 0.224 AML other m 2020-12-19T13:05:30.43
IV.ATCC.EHE. ML:0.5 0.000019997790000000003 0.2752 AML other m 2020-12-19T13:05:30.97
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