Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 12-02-2021 and time 22:43:13 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km W Gubbio (PG), on

  • 12-02-2021 21:43:13 (UTC)
  • 12-02-2021 22:43:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3610, 12.5240 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 5 32216 32216
Pietralunga PG 12 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Cantiano PU 15 2245 37965
Costacciaro PG 15 1216 39181
Montone PG 16 1680 40861
Umbertide PG 17 16681 57542
Sigillo PG 18 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Perugia (166134 inhabitants)
47 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)
85 Km W of Ancona (100861 inhabitants)
89 Km S of Cesena (96758 inhabitants)
89 Km N of Terni (111501 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.6 2021-02-12
21:43:13		 43.3608 12.5243 9 2021-07-12
16:54:59		 Bollettino Sismico Italiano INGV 87301491
Reviewed
Rev100 		ML 1.6 2021-02-12
21:43:13		 43.3645 12.5282 9 2021-02-12
21:49:33		 Sala Sismica INGV-Roma 87089981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-12 21:43:13 ± 0.03
Latitude 43.3608 ± 0.0018
Longitude 12.5243 ± 0.0025
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 87301491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 234
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
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) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.56387
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 87301491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-15 11:11:01

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 87089981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-12 21:49:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2021-02-12T21:43:33.50 1.0 undecidable manual S 177 61.8936 50 0.8 18
IV.CSP1.EHZ. 2021-02-12T21:43:33.92 0.6 undecidable manual S 118 62.5929 50 1.04 33
IV.MGAB.HHZ. 2021-02-12T21:43:33.00 1.0 undecidable manual S 214 59.8956 50 0.84 18
IV.EL6.EHZ. 2021-02-12T21:43:29.04 0.6 undecidable manual S 94 46.7199 50 0.39 44
IV.CAFI.HHZ. 2021-02-12T21:43:28.20 0.3 undecidable manual S 266 45.1215 50 -0.03 71
IV.ARVD.HHZ. 2021-02-12T21:43:26.30 0.6 undecidable manual S 65 36.9297 50 0.27 45
IV.SNTG.HHZ. 2021-02-12T21:43:25.70 1.0 undecidable manual S 109 35.6421 50 0.02 24
IV.ASSB.HHZ. 2021-02-12T21:43:25.70 0.6 undecidable manual S 163 36.9297 50 -0.34 45
IV.MOMA.HHZ. 2021-02-12T21:43:24.19 0.1 undecidable manual P 177 61.8936 50 -0.26 87
IV.MGAB.HHZ. 2021-02-12T21:43:24.14 0.1 undecidable manual P 214 59.8956 50 0 92
IV.CSP1.EHZ. 2021-02-12T21:43:24.49 0.3 undecidable manual P 118 62.5929 50 -0.06 68
IV.BADI.EHZ. 2021-02-12T21:43:23.50 1.0 undecidable manual S 306 27.9498 107 0.17 24
IV.NARO.HHZ. 2021-02-12T21:43:23.30 0.3 undecidable manual S 9 28.0497 107 -0.08 72
IV.FDMO.HHZ. 2021-02-12T21:43:23.78 0.1 undecidable manual P 128 57.9975 50 -0.07 91
IV.APEC.HHZ. 2021-02-12T21:43:22.20 0.3 undecidable manual S 339 23.4543 110 0.34 69
IV.CESI.HHZ. 2021-02-12T21:43:22.59 0.1 undecidable manual P 142 50.0166 50 -0.03 93
IV.COR1.HNN. 2021-02-12T21:43:22.98 1.0 undecidable manual P 52 48.7179 50 0.56 21
IV.CAFI.HHZ. 2021-02-12T21:43:21.90 0.1 undecidable manual P 266 45.1215 50 0.03 94
IV.FRON.EHZ. 2021-02-12T21:43:21.90 0.3 undecidable manual S 43 23.754 110 -0.06 73
IV.SSFR.HHZ. 2021-02-12T21:43:21.60 0.3 undecidable manual S 68 22.4553 111 0.09 73
IV.ATMI.HHZ. 2021-02-12T21:43:21.00 0.6 undecidable manual S 262 20.868 112 -0.02 49
IV.EL6.EHZ. 2021-02-12T21:43:21.88 0.1 undecidable manual P 94 46.7199 50 -0.23 90
IV.FOSV.EHZ. 2021-02-12T21:43:21.10 0.6 undecidable manual S 111 20.4684 113 0.21 47
IV.PIEI.HHZ. 2021-02-12T21:43:21.10 1.0 undecidable manual S 3 19.3695 114 0.55 22
IV.MML1.HNE. 2021-02-12T21:43:21.80 0.1 undecidable manual P 127 45.4212 50 -0.11 93
IV.ATCC.EHZ. 2021-02-12T21:43:21.90 1.0 undecidable manual S 154 21.6672 112 0.64 21
IT.UMBT.HGZ. 2021-02-12T21:43:20.50 1.0 undecidable manual S 247 15.873 119 1.05 18
IV.SNTG.HHZ. 2021-02-12T21:43:20.10 0.1 undecidable manual P 109 35.6421 50 -0.3 91
IV.PE3.EHE. 2021-02-12T21:43:20.91 0.6 undecidable manual P 357 37.2294 50 0.25 46
IV.ARVD.HHZ. 2021-02-12T21:43:20.42 0.1 undecidable manual P 65 36.9297 50 -0.18 93
IV.MPAG.EHZ. 2021-02-12T21:43:20.03 0.3 undecidable manual P 32 35.2425 50 -0.32 68
IV.PARC.HHE. 2021-02-12T21:43:20.95 0.1 undecidable manual P 324 39.3273 50 -0.02 95
IV.ASSB.HHZ. 2021-02-12T21:43:20.26 0.3 undecidable manual P 163 36.9297 50 -0.35 67
IV.FRON.EHZ. 2021-02-12T21:43:18.21 0.1 positive manual P 43 23.754 110 -0.04 98
IV.ATMI.HHZ. 2021-02-12T21:43:18.00 0.6 undecidable manual P 262 20.868 112 0.29 47
IV.ATMC.EHE. 2021-02-12T21:43:18.99 0.1 undecidable manual P 290 28.3494 107 -0.13 95
IV.ATPI.EHZ. 2021-02-12T21:43:18.90 0.3 undecidable manual S 315 13.9749 122 0.01 75
IV.BADI.EHZ. 2021-02-12T21:43:18.97 0.1 undecidable manual P 306 27.9498 107 -0.07 96
IV.APEC.HHZ. 2021-02-12T21:43:18.29 0.1 positive manual P 339 23.4543 110 0.1 97
IV.MURB.HHZ. 2021-02-12T21:43:18.20 0.3 undecidable manual S 180 10.878 128 0.21 72
IV.NARO.HHZ. 2021-02-12T21:43:18.85 0.1 undecidable manual P 9 28.0497 107 -0.22 93
IT.UMBT.HGZ. 2021-02-12T21:43:17.20 0.1 undecidable manual P 247 15.873 119 0.4 92
IV.ATCC.EHZ. 2021-02-12T21:43:17.97 0.1 undecidable manual P 154 21.6672 112 0.13 96
IV.ATVA.EHE. 2021-02-12T21:43:17.33 0.6 undecidable manual P 245 21.3675 112 -0.46 45
IV.TB03.DHZ.01 2021-02-12T21:43:17.77 0.6 undecidable manual S 296 10.1787 130 -0.05 50
IV.FOSV.EHZ. 2021-02-12T21:43:17.37 0.3 undecidable manual P 111 20.4684 113 -0.26 70
IV.ATLO.EHE. 2021-02-12T21:43:17.80 0.3 undecidable manual S 242 10.6782 129 -0.16 73
IV.SSFR.HHZ. 2021-02-12T21:43:17.97 0.1 undecidable manual P 68 22.4553 111 -0.02 98
IV.TB02.DHZ.01 2021-02-12T21:43:17.28 0.6 undecidable manual S 277 9.2796 133 -0.31 47
IV.PIEI.HHZ. 2021-02-12T21:43:17.61 0.3 undecidable manual P 3 19.3695 114 0.17 72
IV.MURB.HHZ. 2021-02-12T21:43:16.07 0.1 undecidable manual P 180 10.878 128 0.11 98
IV.ATSC.EHE. 2021-02-12T21:43:16.80 0.1 undecidable manual P 62 14.874 120 0.18 96
IV.TB01.DHZ.01 2021-02-12T21:43:16.78 0.6 undecidable manual S 288 7.4814 139 -0.37 47
IV.ATPI.EHZ. 2021-02-12T21:43:16.52 0.1 undecidable manual P 315 13.9749 122 0.05 99
IV.ATPC.HHE. 2021-02-12T21:43:16.83 0.1 undecidable manual P 338 14.3745 121 0.29 94
IV.ATLO.EHE. 2021-02-12T21:43:15.91 0.1 positive manual P 242 10.6782 129 -0.03 100
IV.TB01.DHZ.01 2021-02-12T21:43:15.39 0.1 undecidable manual P 288 7.4814 139 -0.08 100
IV.ATFO.HHZ. 2021-02-12T21:43:15.90 1.0 undecidable manual S 80 3.8961 156 -0.56 22
IV.TB03.DHZ.01 2021-02-12T21:43:15.82 0.1 undecidable manual P 296 10.1787 130 -0.04 100
IV.TB02.DHZ.01 2021-02-12T21:43:15.67 0.1 undecidable manual P 277 9.2796 133 -0.05 100
IV.ATFO.HHZ. 2021-02-12T21:43:14.85 0.1 undecidable manual P 80 3.8961 156 -0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:2.2 0.00206 0.6 AML other m 2021-02-12T21:43:18.17
IV.MURB.HNE. ML:2.1 0.001795 0.26 AML other m 2021-02-12T21:43:18.35
IV.ATPI.EHE. ML:1.3 0.000193 1.06 AML other m 2021-02-12T21:43:19.38
IV.ATPI.EHN. ML:1.3 0.00023199999999999997 1.1 AML other m 2021-02-12T21:43:19.60
IV.MURB.HNN. ML:1.9 0.0011075 0.56 AML other m 2021-02-12T21:43:19.82
IV.MURB.HHN. ML:2.0 0.0011949999999999999 0.3 AML other m 2021-02-12T21:43:19.83
IV.PIEI.HHN. ML:1.9 0.0006339999999999999 0.2 AML other m 2021-02-12T21:43:21.69
IV.ATMI.HHN. ML:1.5 0.00020866000000000002 0.2432 AML other m 2021-02-12T21:43:21.47
IV.PIEI.HHE. ML:2.0 0.00073 0.28 AML other m 2021-02-12T21:43:21.68
IV.ATMI.HHE. ML:1.5 0.0002523832 0.7168 AML other m 2021-02-12T21:43:21.91
IV.SSFR.HHN. ML:1.8 0.0004625 0.2 AML other m 2021-02-12T21:43:22.20
IV.FRON.EHE. ML:1.2 0.0001036 0.76 AML other m 2021-02-12T21:43:22.72
IV.ATCC.EHE. ML:1.8 0.0005164999999999999 0.2 AML other m 2021-02-12T21:43:22.50
IV.ATCC.EHN. ML:1.7 0.000378 0.86 AML other m 2021-02-12T21:43:22.24
IV.APEC.HHN. ML:1.5 0.00022399999999999997 1.18 AML other m 2021-02-12T21:43:22.78
IV.APEC.HHE. ML:1.7 0.000303 0.22 AML other m 2021-02-12T21:43:22.78
IV.FOSV.EHN. ML:1.2 0.0001094 0.56 AML other m 2021-02-12T21:43:22.78
IV.FRON.EHN. ML:1.5 0.000184 1.08 AML other m 2021-02-12T21:43:23.02
IV.BADI.EHE. ML:1.8 0.000326 0.22 AML other m 2021-02-12T21:43:23.95
IV.BADI.EHN. ML:1.6 0.000242 0.8 AML other m 2021-02-12T21:43:24.52
IV.NARO.HHN. ML:1.2 0.000078696985 0.3712 AML other m 2021-02-12T21:43:24.20
IV.SSFR.HHE. ML:1.8 0.00041549999999999996 0.2 AML other m 2021-02-12T21:43:24.42
IV.NARO.HHE. ML:1.3 0.00009795 1.2 AML other m 2021-02-12T21:43:25.31
IV.SNTG.HHE. ML:1.4 0.0001047 0.82 AML other m 2021-02-12T21:43:26.55
IV.ASSB.HHN. ML:1.6 0.00014749999999999998 0.92 AML other m 2021-02-12T21:43:26.04
IV.FOSV.EHE. ML:1.1 0.00009570000000000001 0.42 AML other m 2021-02-12T21:43:26.89
IV.SNTG.HHN. ML:1.5 0.00014150000000000002 1.08 AML other m 2021-02-12T21:43:26.19
IV.ASSB.HHE. ML:1.5 0.000118 1.54 AML other m 2021-02-12T21:43:27.08
IV.CAFI.HHN. ML:1.3 0.000061 0.18 AML other m 2021-02-12T21:43:28.59
IV.CAFI.HHE. ML:1.4 0.00007680000000000001 0.72 AML other m 2021-02-12T21:43:28.59
IV.EL6.EHE. ML:1.7 0.000156 0.92 AML other m 2021-02-12T21:43:30.46
IV.EL6.EHN. ML:1.7 0.00014250000000000002 0.72 AML other m 2021-02-12T21:43:31.52
IV.MGAB.HHE. ML:1.7 0.0001051 1.06 AML other m 2021-02-12T21:43:34.12
IV.MGAB.HHN. ML:1.8 0.00012625 0.52 AML other m 2021-02-12T21:43:35.93
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