Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 03-12-2020 and time 20:30:55 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km W Gubbio (PG), on

  • 03-12-2020 19:30:55 (UTC)
  • 03-12-2020 20:30:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3630, 12.5170 at 6 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
30 Km NE of Perugia (166134 inhabitants)
48 Km NW of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
78 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
89 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
Reviewed
Rev100 		ML 1.2 2020-12-03
19:30:55		 43.3633 12.5172 6 2020-12-03
19:40:52		 Sala Sismica INGV-Roma 85181901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-03 19:30:55 ± 0.11
Latitude 43.3633 ± 0.0036
Longitude 12.5172 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85181901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33635
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 85181901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-03 19:40:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2020-12-03T19:31:06.31 3.0 positive manual P -0.28 0
IV.ATCC.EHZ. 2020-12-03T19:31:04.28 0.6 undecidable manual S 153 22.0668 105 0.8 39
IV.FOSV.EHZ. 2020-12-03T19:31:03.36 0.6 undecidable manual S 111 21.0678 105 0.22 47
IV.EL6.EHZ. 2020-12-03T19:31:03.68 3.0 positive manual P -0.59 0
IV.SSFR.HHZ. 2020-12-03T19:31:03.58 0.3 undecidable manual S 69 22.8549 104 -0.15 72
IV.ATMI.HHZ. 2020-12-03T19:31:03.11 0.3 undecidable manual S 261 20.3685 106 0.21 71
IV.PARC.HHZ. 2020-12-03T19:31:03.20 3.0 positive manual P 0.22 0
IV.CAFI.HHZ. 2020-12-03T19:31:03.71 3.0 positive manual P -0.37 0
IV.ASSB.HHZ. 2020-12-03T19:31:02.95 0.1 undecidable manual P 162 37.3293 99 -0.17 93
IV.ARVD.HHZ. 2020-12-03T19:31:02.34 3.0 positive manual P -0.23 0
IV.PE3.EHZ. 2020-12-03T19:31:02.76 3.0 undecidable manual P 0.18 0
IV.MPAG.EHZ. 2020-12-03T19:31:02.13 3.0 positive manual P -0.12 0
IV.BADI.EHZ. 2020-12-03T19:31:01.14 3.0 positive manual P 0.18 0
IV.ATSC.EHN. 2020-12-03T19:31:01.57 0.3 undecidable manual S 64 15.1737 111 0.37 69
IV.ATPC.HHE. 2020-12-03T19:31:01.19 0.3 undecidable manual S 340 13.875 113 0.41 69
IV.ATBU.HNE. 2020-12-03T19:31:00.78 0.3 undecidable manual S 11 12.6762 115 0.38 69
IV.ATCC.EHZ. 2020-12-03T19:31:00.17 0.3 undecidable manual P 153 22.0668 105 0.04 73
IV.NARO.HHZ. 2020-12-03T19:31:00.69 3.0 positive manual P -0.19 0
IV.APEC.HHZ. 2020-12-03T19:31:00.13 3.0 negative manual P 0.1 0
IV.ATPI.EHZ. 2020-12-03T19:31:00.55 0.3 undecidable manual S 316 13.3755 113 -0.08 74
IV.FRON.EHZ. 2020-12-03T19:31:00.05 3.0 positive manual P -0.03 0
IV.FOSV.EHZ. 2020-12-03T19:30:59.75 0.1 undecidable manual P 111 21.0678 105 -0.18 95
IV.SSFR.HHZ. 2020-12-03T19:30:59.90 0.6 positive manual P 69 22.8549 104 -0.37 46
IV.ATMI.HHZ. 2020-12-03T19:30:59.93 0.3 undecidable manual P 261 20.3685 106 0.14 72
IV.ATVO.HHZ. 2020-12-03T19:30:59.24 0.6 undecidable manual S 283 9.1797 122 -0.07 50
IV.ATPI.EHZ. 2020-12-03T19:30:58.33 0.6 positive manual P 316 13.3755 113 -0.15 49
IV.ATBU.HNE. 2020-12-03T19:30:58.34 0.1 undecidable manual P 11 12.6762 115 -0.01 100
IV.MURB.HHZ. 2020-12-03T19:30:58.24 0.3 undecidable manual P 177 11.1777 118 0.18 73
IV.ATSC.EHN. 2020-12-03T19:30:58.70 0.1 undecidable manual P 64 15.1737 111 -0.11 98
IV.TB01.DHE.01 2020-12-03T19:30:58.59 0.3 undecidable manual S 287 6.8931 130 -0.08 75
IV.ATPC.HHE. 2020-12-03T19:30:58.45 0.1 undecidable manual P 340 13.875 113 -0.11 98
IV.TB01.DHE.01 2020-12-03T19:30:57.22 0.1 undecidable manual P 287 6.8931 130 -0.14 98
IV.ATVO.HHZ. 2020-12-03T19:30:57.58 0.1 positive manual P 283 9.1797 122 -0.14 98
IV.ATFO.HHZ. 2020-12-03T19:30:57.89 0.3 undecidable manual S 85 4.3956 143 -0.19 73
IV.ATFO.HHZ. 2020-12-03T19:30:56.85 0.1 positive manual P 85 4.3956 143 -0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.0 0.0011550970000000001 0.2176 AML other m 2020-12-03T19:30:58.06
IV.ATFO.HHN. ML:0.0 0.0017817349999999998 0.1792 AML other m 2020-12-03T19:30:57.98
IV.ATVO.HHE. ML:1.2 0.00030632535 0.1024 AML other m 2020-12-03T19:30:59.52
IV.ATVO.HHN. ML:1.4 0.00046382705 0.1024 AML other m 2020-12-03T19:30:59.44
IV.MURB.HHE. ML:1.5 0.00044075265000000004 0.2944 AML other m 2020-12-03T19:31:00.65
IV.MURB.HHN. ML:1.4 0.00037418894999999996 0.2304 AML other m 2020-12-03T19:31:02.53
IV.MURB.HNE. ML:1.5 0.00041994525 0.3072 AML other m 2020-12-03T19:31:00.65
IV.MURB.HNN. ML:1.3 0.0003218699 0.256 AML other m 2020-12-03T19:31:02.55
IV.ATPI.HNE. ML:0.9 0.00008979562650000001 0.2048 AML other m 2020-12-03T19:31:01.80
IV.ATPI.HNN. ML:1.0 0.000134261005 0.3328 AML other m 2020-12-03T19:31:00.89
IV.ATPI.EHE. ML:0.8 0.00006975363000000001 0.4736 AML other m 2020-12-03T19:31:01.27
IV.ATPI.EHN. ML:1.0 0.00010935010000000001 0.4608 AML other m 2020-12-03T19:31:00.88
IV.SSFR.HHE. ML:1.5 0.00022685360000000002 0.256 AML other m 2020-12-03T19:31:05.04
IV.SSFR.HHN. ML:1.4 0.0001700869 0.2176 AML other m 2020-12-03T19:31:04.56
IV.SSFR.HNE. ML:1.5 0.0002319742 0.2432 AML other m 2020-12-03T19:31:05.16
IV.SSFR.HNN. ML:1.4 0.000190293 0.2304 AML other m 2020-12-03T19:31:04.56
IV.FRON.EHE. ML:0.8 0.000039329105 0.1152 AML other m 2020-12-03T19:31:05.71
IV.FRON.EHN. ML:1.0 0.00006607817 0.1664 AML other m 2020-12-03T19:31:05.25
IV.APEC.HHE. ML:1.1 0.00009685994 0.1408 AML other m 2020-12-03T19:31:04.35
IV.APEC.HHN. ML:1.0 0.00006872575 0.1792 AML other m 2020-12-03T19:31:06.62
IV.APEC.HNN. ML:2.0 0.0007267169 0.896 AML other m 2020-12-03T19:31:04.76
IV.ATCC.EHE. ML:1.2 0.0001143813 0.1664 AML other m 2020-12-03T19:31:05.75
IV.ATCC.EHN. ML:1.0 0.000079775 0.2048 AML other m 2020-12-03T19:31:05.08
IV.NARO.HHE. ML:0.7 0.000031982285 0.0768 AML other m 2020-12-03T19:31:05.79
IV.NARO.HHN. ML:0.7 0.000024375109999999997 0.1024 AML other m 2020-12-03T19:31:05.61
IV.BADI.EHE. ML:1.4 0.000143699875 0.1408 AML other m 2020-12-03T19:31:05.85
IV.BADI.EHN. ML:1.5 0.00019448650000000002 0.1792 AML other m 2020-12-03T19:31:05.30
IV.MPAG.EHE. ML:0.8 0.000026950815 0.6912 AML other m 2020-12-03T19:31:14.23
IV.ARVD.HHE. ML:0.9 0.00003209898 0.2176 AML other m 2020-12-03T19:31:09.07
IV.ARVD.HHN. ML:0.8 0.000023600793999999996 0.1408 AML other m 2020-12-03T19:31:09.79
IV.PE3.EHN. ML:1.5 0.00012482199499999998 0.384 AML other m 2020-12-03T19:31:09.36
IV.ASSB.HHN. ML:1.0 0.0000358428 0.1152 AML other m 2020-12-03T19:31:10.17
IV.PARC.HHN. ML:0.9 0.000030608625 0.2432 AML other m 2020-12-03T19:31:10.51
IV.MGAB.HHE. ML:1.2 0.000033231295 0.2304 AML other m 2020-12-03T19:31:17.72
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