Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 30-12-2020 and time 16:02:51 (Italy) in region 1 km E Fossato di Vico (PG)

A magnitude ML 0.9 earthquake occured in region: 1 km E Fossato di Vico (PG), on

  • 30-12-2020 15:02:51 (UTC)
  • 30-12-2020 16:02:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2930, 12.7730 at 18 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
Fossato di Vico PG 1 2840 2840
Sigillo PG 5 2404 5244
Gualdo Tadino PG 7 15208 20452
Costacciaro PG 9 1216 21668
Fabriano AN 12 31480 53148
Esanatoglia MC 15 2034 55182
Scheggia e Pascelupo PG 15 1393 56575
Gubbio PG 17 32216 88791
Fiuminata MC 17 1402 90193
Cerreto d'Esi AN 18 3817 94010
Sassoferrato AN 18 7285 101295
Matelica MC 20 9981 111276

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
38 Km N of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
75 Km E of Arezzo (99543 inhabitants)
82 Km N of Terni (111501 inhabitants)
87 Km S of Rimini (147750 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 0.9 2020-12-30
15:02:51		 43.2928 12.7732 18 2020-12-30
15:13:40		 Sala Sismica INGV-Roma 85883161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-30 15:02:51 ± 0.05
Latitude 43.2928 ± 0.0018
Longitude 12.7732 ± 0.0049
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85883161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 28
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
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) 0.00899
Epicentral distance of station farthest from the epicenter (degree) 0.34714
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 85883161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-30 15:13:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-12-30T15:03:04.60 0.3 undecidable manual S 138 38.1285 104 0.04 70
IV.NARO.HHZ. 2020-12-30T15:03:04.70 0.3 undecidable manual S 336 38.5281 104 0.04 71
IV.CESI.HHZ. 2020-12-30T15:03:03.50 0.3 undecidable manual S 162 33.6441 107 0.09 70
IV.PIEI.HHZ. 2020-12-30T15:03:03.30 0.3 undecidable manual S 325 33.0447 107 0.05 71
IV.EL6.EHZ. 2020-12-30T15:03:02.00 0.3 undecidable manual S 81 26.8509 113 0.31 68
IV.ASSB.HHZ. 2020-12-30T15:03:02.20 0.3 undecidable manual S 198 29.2485 110 -0.09 71
IV.FRON.EHE. 2020-12-30T15:03:01.31 0.3 undecidable manual S 351 25.2525 114 0.01 73
IV.MURB.HHZ. 2020-12-30T15:03:00.23 0.3 undecidable manual S 261 20.3685 121 0.09 72
IV.NARO.HHZ. 2020-12-30T15:02:59.11 0.1 undecidable manual P 336 38.5281 104 -0.07 94
IV.ATCC.EHZ. 2020-12-30T15:02:59.30 0.3 undecidable manual S 222 16.0728 129 0.09 73
IV.SSFR.HHZ. 2020-12-30T15:02:59.15 0.3 undecidable manual S 3 15.873 130 -0.03 74
IV.ATSC.EHZ. 2020-12-30T15:02:59.19 0.3 undecidable manual S 334 16.1727 129 -0.03 73
IV.PIEI.HHZ. 2020-12-30T15:02:58.31 0.1 undecidable manual P 325 33.0447 107 -0.06 95
IV.CESI.HHZ. 2020-12-30T15:02:58.37 0.1 undecidable manual P 162 33.6441 107 -0.09 95
IV.FDMO.HHZ. 2020-12-30T15:02:58.99 0.1 undecidable manual P 138 38.1285 104 -0.14 93
IV.ASSB.HHZ. 2020-12-30T15:02:57.63 0.1 undecidable manual P 198 29.2485 110 -0.19 93
IV.MURB.HHZ. 2020-12-30T15:02:57.05 0.1 undecidable manual P 261 20.3685 121 0.48 89
IV.FRON.EHE. 2020-12-30T15:02:57.14 0.3 undecidable manual P 351 25.2525 114 -0.1 72
IV.EL6.EHZ. 2020-12-30T15:02:57.52 0.1 undecidable manual P 81 26.8509 113 0.05 96
IV.FOSV.EHZ. 2020-12-30T15:02:57.00 0.6 undecidable manual S 282 0.999 176 -0.29 48
IV.ATSC.EHZ. 2020-12-30T15:02:56.01 0.1 undecidable manual P 334 16.1727 129 -0.03 98
IV.ATCC.EHZ. 2020-12-30T15:02:56.08 0.1 undecidable manual P 222 16.0728 129 0.04 98
IV.SSFR.HHZ. 2020-12-30T15:02:55.98 0.1 undecidable manual P 3 15.873 130 -0.04 98
IV.FOSV.EHZ. 2020-12-30T15:02:54.86 0.1 negative manual P 282 0.999 176 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.4 0.000248 0.16 AML other m 2020-12-30T15:02:57.27
IV.FOSV.EHE. ML:1.0 0.00009805 0.1 AML other m 2020-12-30T15:02:57.20
IV.PIEI.HHE. ML:1.1 0.00004815 1.04 AML other m 2020-12-30T15:03:03.92
IV.PIEI.HHN. ML:0.8 0.00002565 1.3 AML other m 2020-12-30T15:03:04.31
IV.ATCC.EHE. ML:0.9 0.000055742505 0.1536 AML other m 2020-12-30T15:02:59.49
IV.ATCC.EHN. ML:1.0 0.00006868525 0.1408 AML other m 2020-12-30T15:02:59.63
IV.CESI.HHE. ML:0.9 0.000028245658 0.2432 AML other m 2020-12-30T15:03:03.62
IV.CESI.HHN. ML:0.6 0.00001588859 0.1024 AML other m 2020-12-30T15:03:04.04
IV.FDMO.HHE. ML:1.0 0.000030568235 1.0624 AML other m 2020-12-30T15:03:04.95
IV.FDMO.HHN. ML:0.9 0.00002672557935 0.1408 AML other m 2020-12-30T15:03:05.19
IV.NARO.HHE. ML:0.6 0.0000164798715 0.0768 AML other m 2020-12-30T15:03:05.77
IV.NARO.HHN. ML:0.6 0.0000147445985 0.0896 AML other m 2020-12-30T15:03:05.24
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