Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-02-2021 and time 00:55:51 (UTC) in region 3 km SW Fossato di Vico (PG)

A magnitude ML 1.4 earthquake occured in region: 3 km SW Fossato di Vico (PG), on

  • 25-02-2021 00:55:51 (UTC)
  • 25-02-2021 01:55:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2780, 12.7330 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
Fossato di Vico PG 3 2840 2840
Sigillo PG 6 2404 5244
Gualdo Tadino PG 7 15208 20452
Costacciaro PG 9 1216 21668
Gubbio PG 15 32216 53884
Scheggia e Pascelupo PG 15 1393 55277
Fabriano AN 16 31480 86757
Valfabbrica PG 17 3389 90146
Esanatoglia MC 18 2034 92180
Fiuminata MC 19 1402 93582
Nocera Umbra PG 19 5839 99421

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
36 Km N of Foligno (57155 inhabitants)
67 Km SW of Fano (60888 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
72 Km S of Pesaro (94582 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
80 Km N of Terni (111501 inhabitants)
88 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
Bulletin
Rev1000 		ML 1.4 2021-02-25
00:55:51		 43.2775 12.7327 9 2021-07-12
16:55:12		 Bollettino Sismico Italiano INGV 90337261
Reviewed
Rev100 		ML 1.4 2021-02-25
00:55:51		 43.2793 12.729 9 2021-02-25
01:00:58		 Sala Sismica INGV-Roma 87465001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-25 00:55:51 ± 0.04
Latitude 43.2775 ± 0.0018
Longitude 12.7327 ± 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 90337261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 241
Semi-minor axis of confidence ellipse (meter) 201
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.57557
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 87465001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-25 01:00:58

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 90337261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-21 14:43:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2021-02-25T00:56:11.54 0.6 undecidable manual S 276 62.0934 50 0.31 43
IV.CSP1.EHZ. 2021-02-25T00:56:06.78 0.6 undecidable manual S 118 43.4232 50 0.56 42
IV.MPAG.EHZ. 2021-02-25T00:56:05.19 0.6 undecidable manual S 3 39.0276 50 0.12 47
IV.FDMO.HHZ. 2021-02-25T00:56:05.19 0.3 undecidable manual S 133 39.2274 50 0.08 70
IV.EL6.EHZ. 2021-02-25T00:56:03.06 0.6 undecidable manual S 79 30.3474 107 0.34 45
IV.MMO1.EHZ. 2021-02-25T00:56:03.31 0.1 undecidable manual P 131 63.8916 50 0.05 90
IV.ATPI.EHZ. 2021-02-25T00:56:03.18 0.6 undecidable manual S 306 32.8449 50 -0.23 46
IV.PIEI.HHZ. 2021-02-25T00:56:03.10 0.6 undecidable manual S 331 32.745 50 -0.29 45
IV.CESI.HHZ. 2021-02-25T00:56:03.26 0.6 undecidable manual S 155 33.2445 50 -0.27 46
IV.CAFI.HHZ. 2021-02-25T00:56:03.33 0.3 undecidable manual P 276 62.0934 50 0.34 64
IV.ARVD.HHZ. 2021-02-25T00:56:02.60 0.6 undecidable manual S 34 29.748 107 0.09 48
IV.FRON.EHZ. 2021-02-25T00:56:01.26 0.3 undecidable manual S 359 26.6511 109 -0.25 69
IV.PE3.EHZ. 2021-02-25T00:56:01.63 0.3 undecidable manual P 338 50.2164 50 0.48 63
IV.ATBU.EHZ. 2021-02-25T00:56:01.84 0.6 undecidable manual S 326 26.5512 109 0.37 45
IV.CSP1.EHZ. 2021-02-25T00:56:00.03 0.3 undecidable manual P 118 43.4232 50 -0.07 70
IV.FDMO.HHZ. 2021-02-25T00:55:59.26 0.1 undecidable manual P 133 39.2274 50 -0.2 91
IV.MPAG.EHZ. 2021-02-25T00:55:59.31 0.3 undecidable manual P 3 39.0276 50 -0.13 70
IV.APEC.HHZ. 2021-02-25T00:55:59.69 0.3 undecidable manual P 321 40.1265 50 0.1 70
IV.PIEI.HHZ. 2021-02-25T00:55:58.15 0.1 undecidable manual P 331 32.745 50 -0.32 90
IV.CESI.HHZ. 2021-02-25T00:55:58.33 0.3 undecidable manual P 155 33.2445 50 -0.22 69
IV.ATSC.EHE. 2021-02-25T00:55:58.35 0.6 undecidable manual S 347 16.6722 118 0.03 49
IV.SSFR.HHZ. 2021-02-25T00:55:58.78 0.3 undecidable manual S 13 18.0708 117 0.03 74
IV.EL6.EHZ. 2021-02-25T00:55:58.09 0.1 undecidable manual P 79 30.3474 107 0.01 97
IV.MURB.HHZ. 2021-02-25T00:55:58.30 0.3 undecidable manual S 265 16.872 118 -0.09 73
IV.ATPI.EHZ. 2021-02-25T00:55:58.22 0.3 undecidable manual P 306 32.8449 50 -0.26 69
IV.ATFO.HHZ. 2021-02-25T00:55:58.32 0.3 undecidable manual S 307 16.3725 119 0.1 73
IV.ATBU.EHZ. 2021-02-25T00:55:57.46 0.1 undecidable manual P 326 26.5512 109 0.1 95
IV.ARVD.HHZ. 2021-02-25T00:55:57.85 0.1 undecidable manual P 34 29.748 107 -0.11 95
IV.ATCC.EHZ. 2021-02-25T00:55:57.13 0.3 undecidable manual S 216 12.6762 125 -0.02 75
IV.FRON.EHZ. 2021-02-25T00:55:57.15 0.1 undecidable manual P 359 26.6511 109 -0.23 93
IV.MURB.HHZ. 2021-02-25T00:55:55.59 0.1 undecidable manual P 265 16.872 118 0.01 99
IV.ATFO.HHZ. 2021-02-25T00:55:55.51 0.1 undecidable manual P 307 16.3725 119 0.03 99
IV.ATSC.EHE. 2021-02-25T00:55:55.64 0.1 undecidable manual P 347 16.6722 118 0.1 97
IV.SSFR.HHZ. 2021-02-25T00:55:55.89 0.1 undecidable manual P 13 18.0708 117 0.1 97
IV.FOSV.EHZ. 2021-02-25T00:55:54.76 0.3 undecidable manual S 50 2.997 162 -0.29 72
IV.ATCC.EHZ. 2021-02-25T00:55:54.93 0.1 undecidable manual P 216 12.6762 125 0.07 98
IV.FOSV.EHZ. 2021-02-25T00:55:53.72 0.1 undecidable manual P 50 2.997 162 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:1.6 0.0004345 0.24 AML other m 2021-02-25T00:55:57.34
IV.ATCC.EHN. ML:1.6 0.00046550000000000004 0.1 AML other m 2021-02-25T00:55:57.40
IV.ATFO.HHE. ML:1.7 0.0005204999999999999 0.9 AML other m 2021-02-25T00:55:58.53
IV.MURB.HHN. ML:1.8 0.000506 0.28 AML other m 2021-02-25T00:55:58.65
IV.MURB.HHE. ML:1.8 0.0005625 0.3 AML other m 2021-02-25T00:55:58.78
IV.MURB.HNE. ML:1.8 0.000521 0.34 AML other m 2021-02-25T00:55:58.78
IV.ATFO.HHN. ML:1.4 0.00023549999999999998 0.88 AML other m 2021-02-25T00:55:59.04
IV.MURB.HNN. ML:1.7 0.00040599999999999995 1.06 AML other m 2021-02-25T00:55:59.66
IV.SSFR.HHN. ML:1.5 0.00026000000000000003 0.2 AML other m 2021-02-25T00:55:59.21
IV.SSFR.HNN. ML:1.7 0.000451 1.02 AML other m 2021-02-25T00:55:59.73
IV.SSFR.HHE. ML:1.9 0.000679 0.22 AML other m 2021-02-25T00:55:59.31
IV.SSFR.HNE. ML:1.9 0.0006755 0.24 AML other m 2021-02-25T00:55:59.32
IV.FRON.EHE. ML:1.5 0.000175 0.44 AML other m 2021-02-25T00:56:01.32
IV.FRON.EHN. ML:1.5 0.0001895 0.42 AML other m 2021-02-25T00:56:02.43
IV.ARVD.HHN. ML:0.9 0.00003915 1.58 AML other m 2021-02-25T00:56:03.19
IV.EL6.EHN. ML:1.4 0.00012040000000000001 0.78 AML other m 2021-02-25T00:56:03.35
IV.EL6.EHE. ML:1.4 0.000125 0.88 AML other m 2021-02-25T00:56:03.41
IV.PIEI.HHN. ML:1.1 0.00005955 0.1 AML other m 2021-02-25T00:56:03.62
IV.ATPI.EHN. ML:1.2 0.0000662 0.4 AML other m 2021-02-25T00:56:03.52
IV.PIEI.HHE. ML:1.4 0.000127 0.08 AML other m 2021-02-25T00:56:04.02
IV.ARVD.HHE. ML:1.1 0.000060150000000000005 1.48 AML other m 2021-02-25T00:56:04.09
IV.ATPI.EHE. ML:1.0 0.000044649999999999994 0.4 AML other m 2021-02-25T00:56:05.28
IV.CESI.HHE. ML:1.0 0.00004285 0.58 AML other m 2021-02-25T00:56:05.63
IV.FDMO.HHN. ML:1.0 0.00003435 1.84 AML other m 2021-02-25T00:56:05.00
IV.CESI.HHN. ML:0.8 0.00002785 0.62 AML other m 2021-02-25T00:56:06.54
IV.APEC.HHE. ML:1.1 0.0000454 0.32 AML other m 2021-02-25T00:56:06.57
IV.FDMO.HHE. ML:0.9 0.0000302 0.42 AML other m 2021-02-25T00:56:06.78
IV.APEC.HHN. ML:1.2 0.0000502 0.58 AML other m 2021-02-25T00:56:06.54
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