Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 02-02-2020 and time 14:57:57 (UTC) in region 7 km NE Valfabbrica (PG)

A magnitude ML 1.2 earthquake occured in region: 7 km NE Valfabbrica (PG), on

  • 02-02-2020 14:57:57 (UTC)
  • 02-02-2020 15:57:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2020, 12.6580 at 12 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
Valfabbrica PG 7 3389 3389
Gualdo Tadino PG 11 15208 18597
Fossato di Vico PG 13 2840 21437
Nocera Umbra PG 15 5839 27276
Assisi PG 15 28299 55575
Sigillo PG 16 2404 57979
Bastia Umbra PG 17 21874 79853
Valtopina PG 18 1398 81251
Costacciaro PG 18 1216 82467
Gubbio PG 18 32216 114683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Perugia (166134 inhabitants)
28 Km N of Foligno (57155 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
71 Km N of Terni (111501 inhabitants)
77 Km SW of Fano (60888 inhabitants)
82 Km S of Pesaro (94582 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
96 Km S of Rimini (147750 inhabitants)
98 Km NE of Viterbo (67173 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 2020-02-02
14:57:57		 43.2023 12.6582 12 2020-02-02
15:24:04		 Sala Sismica INGV-Roma 76135061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-02 14:57:57 ± 0.04
Latitude 43.2023 ± 0.0027
Longitude 12.6582 ± 0.0025
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76135061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 301
Semi-minor axis of confidence ellipse (meter) 168
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 31
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76135061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-02 15:24:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-02-02T14:58:10.59 0.3 undecidable manual S 118 39.3273 92 0.25 68
IV.ARVD.HHZ. 2020-02-02T14:58:10.62 0.3 undecidable manual S 35 39.9267 92 0.1 69
IV.TB03.DH1.01 2020-02-02T14:58:07.58 0.3 undecidable manual S 318 29.748 94 -0.22 70
IV.CESI.HHZ. 2020-02-02T14:58:07.57 0.3 undecidable manual S 138 29.6481 94 -0.19 70
IV.MML1.HNN. 2020-02-02T14:58:07.00 0.3 undecidable manual S 111 27.2505 94 -0.12 72
IV.TB02.DHE.01 2020-02-02T14:58:07.05 0.3 undecidable manual S 313 27.4503 94 -0.12 71
IV.ATLO.HNN. 2020-02-02T14:58:06.18 0.3 undecidable manual S 302 23.8539 96 -0.03 73
IV.ATSC.EHN. 2020-02-02T14:58:06.44 0.3 undecidable manual S 5 24.6531 95 0 73
IV.ATTE.HHN. 2020-02-02T14:58:06.49 0.3 undecidable manual S 269 24.6531 95 0.06 73
IV.TB01.DHE.01 2020-02-02T14:58:06.97 0.3 undecidable manual S 318 26.751 95 -0.03 73
IV.SNTG.HHZ. 2020-02-02T14:58:05.98 0.3 undecidable manual S 76 23.5542 96 -0.16 72
IV.ATFO.HHE. 2020-02-02T14:58:05.15 0.3 undecidable manual S 339 19.4694 99 0.08 73
IV.FDMO.HHZ. 2020-02-02T14:58:04.70 0.1 undecidable manual P 118 39.3273 92 -0.17 92
IV.ARVD.HHZ. 2020-02-02T14:58:04.92 0.1 undecidable manual P 35 39.9267 92 -0.04 95
IV.TB02.DHE.01 2020-02-02T14:58:03.13 0.1 undecidable manual P 313 27.4503 94 0.1 96
IV.SNTG.HHZ. 2020-02-02T14:58:03.07 0.1 undecidable manual P 76 23.5542 96 0.63 84
IV.TB03.DH1.01 2020-02-02T14:58:03.41 0.1 undecidable manual P 318 29.748 94 0.01 97
IV.FOSV.EHZ. 2020-02-02T14:58:03.24 0.3 undecidable manual S 39 13.1757 115 -0.22 73
IV.CESI.HHZ. 2020-02-02T14:58:03.32 0.1 undecidable manual P 138 29.6481 94 -0.05 96
IV.MURB.HHZ. 2020-02-02T14:58:03.52 0.3 undecidable manual S 302 12.6762 116 0.18 72
IV.ATTE.HHN. 2020-02-02T14:58:02.74 0.1 undecidable manual P 269 24.6531 95 0.13 96
IV.TB01.DHE.01 2020-02-02T14:58:02.84 0.1 undecidable manual P 318 26.751 95 -0.1 96
IV.ATLO.HNN. 2020-02-02T14:58:02.36 0.1 undecidable manual P 302 23.8539 96 -0.12 95
IV.MML1.HNN. 2020-02-02T14:58:02.85 0.1 undecidable manual P 111 27.2505 94 -0.15 95
IV.ATSC.EHN. 2020-02-02T14:58:02.49 0.1 undecidable manual P 5 24.6531 95 -0.12 96
IV.ATFO.HHE. 2020-02-02T14:58:01.83 0.1 undecidable manual P 339 19.4694 99 0 99
IV.ATCC.EHZ. 2020-02-02T14:58:01.51 0.3 undecidable manual S 218 2.3976 166 -0.09 75
IV.FOSV.EHZ. 2020-02-02T14:58:00.88 0.1 undecidable manual P 39 13.1757 115 -0.01 100
IV.MURB.HHZ. 2020-02-02T14:58:00.95 0.1 undecidable manual P 302 12.6762 116 0.13 98
IV.ATCC.EHZ. 2020-02-02T14:57:59.89 0.1 undecidable manual P 218 2.3976 166 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.5 0.0005420000000000001 0.16 AML other m 2020-02-02T14:58:01.72
IV.ATCC.EHE. ML:1.5 0.0005110000000000001 0.26 AML other m 2020-02-02T14:58:01.73
IV.FOSV.EHN. ML:1.4 0.00022 0.4 AML other m 2020-02-02T14:58:03.42
IV.FOSV.EHE. ML:1.3 0.00019800000000000002 0.2 AML other m 2020-02-02T14:58:03.52
IV.MURB.HHN. ML:1.4 0.0002375 0.3 AML other m 2020-02-02T14:58:03.76
IV.MURB.HHE. ML:1.5 0.000284 1.78 AML other m 2020-02-02T14:58:03.96
IV.SNTG.HHE. ML:1.2 0.00009920000000000001 0.2 AML other m 2020-02-02T14:58:06.44
IV.SNTG.HHN. ML:1.2 0.0001023 0.64 AML other m 2020-02-02T14:58:07.35
IV.CESI.HHN. ML:0.8 0.000030449999999999998 0.9 AML other m 2020-02-02T14:58:08.78
IV.CESI.HHE. ML:0.9 0.0000424 0.14 AML other m 2020-02-02T14:58:08.31
IV.FDMO.HHE. ML:0.6 0.000016400000000000002 0.14 AML other m 2020-02-02T14:58:11.57
IV.FDMO.HHN. ML:0.6 0.000015895 0.86 AML other m 2020-02-02T14:58:12.54
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