Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 29-01-2021 and time 14:30:19 (UTC) in region 6 km W Gubbio (PG)

A magnitude ML 1.8 earthquake occured in region: 6 km W Gubbio (PG), on

  • 29-01-2021 14:30:19 (UTC)
  • 29-01-2021 15:30:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3720, 12.5140 at 8 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 6 32216 32216
Pietralunga PG 10 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
31 Km NE of Perugia (166134 inhabitants)
49 Km NW of Foligno (57155 inhabitants)
52 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
91 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
Bulletin
Rev1000 		ML 1.8 2021-01-29
14:30:19		 43.3722 12.514 9 2021-07-12
16:54:58		 Bollettino Sismico Italiano INGV 87081071
Reviewed
Rev100 		ML 1.7 2021-01-29
14:30:19		 43.3713 12.5172 8 2021-01-29
14:38:29		 Sala Sismica INGV-Roma 86689421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-29 14:30:19 ± 0.03
Latitude 43.3722 ± 0.0018
Longitude 12.5140 ± 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 87081071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 174
Semi-minor axis of confidence ellipse (meter) 112
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 196
Circular confidence region, given by single value of horizontal uncertainty (meter) 170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75813
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 86689421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-29 14:38:29

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 87081071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-12 15:37:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RMP.HHZ. 2021-01-29T14:31:10.79 3.0 undecidable manual S 2.21 0
IV.FIR.HHZ. 2021-01-29T14:30:54.32 3.0 undecidable manual S -0.46 0
IV.MGAB.HHZ. 2021-01-29T14:30:38.97 0.3 undecidable manual S 213 60.495 50 0.31 64
IV.CESI.HHZ. 2021-01-29T14:30:36.71 0.3 undecidable manual S 142 51.5151 50 0.43 63
IV.EL6.EHZ. 2021-01-29T14:30:35.47 0.3 undecidable manual S 96 47.619 50 0.23 67
IV.CAFI.HHZ. 2021-01-29T14:30:34.22 0.3 undecidable manual S 264 44.4222 50 -0.16 68
IV.MMO1.EHZ. 2021-01-29T14:30:34.35 0.3 undecidable manual P 128 84.1491 50 0.15 63
IV.PE3.EHZ. 2021-01-29T14:30:32.30 0.6 undecidable manual S 358 35.9418 50 0.18 46
IV.PARC.HHZ. 2021-01-29T14:30:32.60 0.3 undecidable manual S 324 37.8288 50 -0.02 71
IV.ARVD.HHZ. 2021-01-29T14:30:32.23 0.3 undecidable manual S 68 37.1295 50 -0.21 68
IV.ASSB.HHZ. 2021-01-29T14:30:32.57 0.3 undecidable manual S 162 38.3283 50 -0.19 68
IV.MPAG.EHZ. 2021-01-29T14:30:31.69 0.6 undecidable manual S 35 34.743 50 -0.09 47
IV.MGAB.HHZ. 2021-01-29T14:30:30.53 0.6 undecidable manual P 213 60.495 50 -0.02 45
IV.ATMC.EHZ. 2021-01-29T14:30:29.19 0.3 undecidable manual S 288 27.1506 107 -0.16 70
IV.CRE.HHZ. 2021-01-29T14:30:29.36 0.6 undecidable manual P 301 52.9026 50 -0.03 46
IV.CRTC.HNE. 2021-01-29T14:30:29.08 1.0 undecidable manual P 34 53.0025 50 -0.33 22
IV.BADI.EHZ. 2021-01-29T14:30:29.29 0.6 undecidable manual S 305 26.5512 108 0.14 47
IV.NARO.HHZ. 2021-01-29T14:30:28.99 0.6 undecidable manual S 11 27.0507 107 -0.31 45
IV.COR1.HNN. 2021-01-29T14:30:28.76 0.6 undecidable manual P 53 48.618 50 0.04 46
IV.EL6.EHZ. 2021-01-29T14:30:28.34 0.3 undecidable manual P 96 47.619 50 -0.23 67
IV.MML1.HNE. 2021-01-29T14:30:28.18 0.3 undecidable manual P 128 46.8198 50 -0.27 66
IV.CESI.HHZ. 2021-01-29T14:30:28.96 0.6 undecidable manual P 142 51.5151 50 -0.22 44
IV.ATCC.EHZ. 2021-01-29T14:30:28.36 0.3 undecidable manual S 154 23.0547 110 0.35 68
IV.CAFI.HHZ. 2021-01-29T14:30:28.11 0.3 undecidable manual P 264 44.4222 50 0.03 70
IV.SSFR.HHZ. 2021-01-29T14:30:27.60 0.6 undecidable manual S 72 22.755 110 -0.3 46
IV.FRON.EHZ. 2021-01-29T14:30:27.96 0.6 undecidable manual S 46 23.4543 110 -0.18 47
IV.ATVA.EHZ. 2021-01-29T14:30:27.55 0.6 undecidable manual S 241 21.1677 112 0.17 47
IV.FOSV.EHZ. 2021-01-29T14:30:27.54 0.3 undecidable manual S 113 21.6672 111 -0.02 73
IV.ASSB.HHZ. 2021-01-29T14:30:26.87 0.3 undecidable manual P 162 38.3283 50 -0.28 67
IV.PIEI.HHZ. 2021-01-29T14:30:26.73 0.3 undecidable manual S 5 18.2706 115 0.28 69
IV.PE3.EHZ. 2021-01-29T14:30:26.89 0.6 undecidable manual P 358 35.9418 50 0.12 47
IV.ATMI.HHZ. 2021-01-29T14:30:26.94 0.3 undecidable manual S 258 20.2686 113 -0.16 71
IV.MPAG.EHZ. 2021-01-29T14:30:26.25 0.6 undecidable manual P 35 34.743 50 -0.33 45
IV.PARC.HHZ. 2021-01-29T14:30:26.99 0.6 undecidable manual P 324 37.8288 50 -0.08 47
IV.ARVD.HHZ. 2021-01-29T14:30:26.75 0.3 undecidable manual P 68 37.1295 50 -0.21 68
IV.BADI.EHZ. 2021-01-29T14:30:25.07 0.3 undecidable manual P 305 26.5512 108 0.01 72
IV.ATSC.EHZ. 2021-01-29T14:30:25.74 0.3 undecidable manual S 67 15.0738 119 0.28 70
IV.ATPC.HNZ. 2021-01-29T14:30:25.18 0.3 undecidable manual S 339 12.876 123 0.35 69
IV.ATMC.EHZ. 2021-01-29T14:30:25.17 0.3 undecidable manual P 288 27.1506 107 -0.01 72
IV.ATLO.EHZ. 2021-01-29T14:30:24.19 0.3 undecidable manual S 234 10.6782 128 -0.01 74
IV.APEC.HNZ. 2021-01-29T14:30:24.33 0.3 undecidable manual P 340 22.0668 111 0.13 71
IV.FOSV.EHZ. 2021-01-29T14:30:24.09 0.3 undecidable manual P 113 21.6672 111 -0.05 72
IV.SSFR.HHZ. 2021-01-29T14:30:24.32 0.3 undecidable manual P 72 22.755 110 -0.02 73
IV.NARO.HHZ. 2021-01-29T14:30:24.97 0.6 undecidable manual P 11 27.0507 107 -0.18 47
IV.MURB.HNZ. 2021-01-29T14:30:24.38 0.3 undecidable manual S 176 12.1767 125 -0.23 71
IV.FRON.EHZ. 2021-01-29T14:30:24.45 0.3 undecidable manual P 46 23.4543 110 -0.03 73
IV.ATCC.EHZ. 2021-01-29T14:30:24.56 0.3 undecidable manual P 154 23.0547 110 0.16 71
IT.UMBT.HGZ. 2021-01-29T14:30:23.40 0.3 undecidable manual P 241 15.6732 118 0.35 69
IV.ATSC.EHZ. 2021-01-29T14:30:23.14 0.1 undecidable manual P 67 15.0738 119 0.21 95
IV.TB02.DHZ. 2021-01-29T14:30:23.41 0.3 undecidable manual S 269 8.4804 135 -0.21 72
IV.PIEI.HHZ. 2021-01-29T14:30:23.72 0.1 positive manual P 5 18.2706 115 0.22 94
IV.ATVA.EHZ. 2021-01-29T14:30:23.99 0.3 undecidable manual P 241 21.1677 112 -0.05 72
IV.TB03.DHZ. 2021-01-29T14:30:23.55 0.3 undecidable manual S 291 8.9799 133 -0.2 72
IV.ATMI.HHZ. 2021-01-29T14:30:23.80 0.6 undecidable manual P 258 20.2686 113 -0.08 48
IV.ATFO.HHZ. 2021-01-29T14:30:22.46 0.3 undecidable manual S 97 4.6953 151 -0.36 70
IV.ATLO.EHZ. 2021-01-29T14:30:22.37 0.1 undecidable manual P 234 10.6782 128 0.17 96
IV.TB01.DHZ.01 2021-01-29T14:30:22.85 0.3 undecidable manual S 279 6.3936 143 -0.3 71
IV.ATPC.HNZ. 2021-01-29T14:30:22.84 0.1 undecidable manual P 339 12.876 123 0.28 94
IV.MURB.HNZ. 2021-01-29T14:30:22.61 0.3 undecidable manual P 176 12.1767 125 0.17 72
IV.TB02.DHZ. 2021-01-29T14:30:21.88 0.1 undecidable manual P 269 8.4804 135 0.01 100
IV.TB03.DHZ. 2021-01-29T14:30:21.97 0.1 undecidable manual P 291 8.9799 133 0.03 99
IV.ATFO.HHZ. 2021-01-29T14:30:21.34 0.1 positive manual P 97 4.6953 151 -0.07 99
IV.TB01.DHZ.01 2021-01-29T14:30:21.59 0.1 undecidable manual P 279 6.3936 143 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:2.0 0.001335 0.48 AML other m 2021-01-29T14:30:25.81
IV.MURB.HNN. ML:2.0 0.00127 0.46 AML other m 2021-01-29T14:30:25.58
IV.MURB.HHE. ML:2.2 0.0017150000000000002 0.22 AML other m 2021-01-29T14:30:26.20
IV.MURB.HNE. ML:2.1 0.0016899999999999999 0.22 AML other m 2021-01-29T14:30:26.32
IV.PIEI.HHN. ML:2.0 0.0007740000000000001 0.16 AML other m 2021-01-29T14:30:27.44
IV.PIEI.HHE. ML:2.0 0.0009599999999999999 0.74 AML other m 2021-01-29T14:30:27.64
IV.FRON.EHE. ML:1.7 0.0002935 0.82 AML other m 2021-01-29T14:30:28.49
IV.ATMI.HHE. ML:1.7 0.0003765 0.8 AML other m 2021-01-29T14:30:28.15
IV.FRON.EHN. ML:1.7 0.00035099999999999997 1.36 AML other m 2021-01-29T14:30:28.87
IV.SSFR.HNE. ML:2.1 0.0009365 0.22 AML other m 2021-01-29T14:30:28.97
IV.SSFR.HNN. ML:2.1 0.0008774999999999999 0.86 AML other m 2021-01-29T14:30:29.02
IV.SSFR.HHN. ML:2.1 0.000846 1.82 AML other m 2021-01-29T14:30:29.03
IV.ATCC.EHN. ML:1.9 0.000547 0.24 AML other m 2021-01-29T14:30:29.52
IV.BADI.EHN. ML:2.3 0.0011899999999999999 0.18 AML other m 2021-01-29T14:30:29.65
IV.SSFR.HHE. ML:2.0 0.000749 1.14 AML other m 2021-01-29T14:30:29.07
IV.ATCC.EHE. ML:2.0 0.000607 0.68 AML other m 2021-01-29T14:30:29.93
IV.BADI.EHE. ML:2.2 0.000909 0.58 AML other m 2021-01-29T14:30:30.64
IV.FOSV.EHE. ML:1.4 0.0001885 0.38 AML other m 2021-01-29T14:30:30.54
IV.FOSV.EHN. ML:1.5 0.0002295 0.82 AML other m 2021-01-29T14:30:31.45
IV.ARVD.HHE. ML:1.6 0.00016549999999999998 0.58 AML other m 2021-01-29T14:30:33.56
IV.ASSB.HHE. ML:1.5 0.000124 0.42 AML other m 2021-01-29T14:30:33.97
IV.ASSB.HHN. ML:1.6 0.000142 0.26 AML other m 2021-01-29T14:30:34.09
IV.MPAG.EHN. ML:1.4 0.0001175 1.44 AML other m 2021-01-29T14:30:34.20
IV.ARVD.HHN. ML:1.5 0.0001233 0.96 AML other m 2021-01-29T14:30:34.78
IV.PARC.HHE. ML:1.6 0.00013450000000000002 1.14 AML other m 2021-01-29T14:30:34.42
IV.CAFI.HHE. ML:1.4 0.00007350000000000001 0.12 AML other m 2021-01-29T14:30:34.68
IV.CAFI.HHN. ML:1.4 0.00008065 0.56 AML other m 2021-01-29T14:30:34.89
IV.PARC.HHN. ML:1.8 0.0002165 0.24 AML other m 2021-01-29T14:30:34.78
IV.MPAG.EHE. ML:1.4 0.0000932 1.38 AML other m 2021-01-29T14:30:35.83
IV.ATMI.HHN. ML:1.8 0.0004195 0.38 AML other m 2021-01-29T14:30:35.86
IV.MGAB.HHE. ML:1.8 0.00011899999999999999 1.54 AML other m 2021-01-29T14:30:41.96
IV.MGAB.HHN. ML:1.8 0.000128 0.28 AML other m 2021-01-29T14:30:42.64
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