Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 19-05-2021 and time 10:42:19 (UTC) in region 1 km W Gubbio (PG)

A magnitude ML 1.7 earthquake occured in region: 1 km W Gubbio (PG), on

  • 19-05-2021 10:42:19 (UTC)
  • 19-05-2021 12:42:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3600, 12.5630 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 2 32216 32216
Scheggia e Pascelupo PG 10 1393 33609
Costacciaro PG 12 1216 34825
Pietralunga PG 14 2111 36936
Cantiano PU 14 2245 39181
Sigillo PG 15 2404 41585
Fossato di Vico PG 18 2840 44425
Montone PG 19 1680 46105
Umbertide PG 20 16681 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Perugia (166134 inhabitants)
46 Km N of Foligno (57155 inhabitants)
56 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
78 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
89 Km N of Terni (111501 inhabitants)
90 Km S of Cesena (96758 inhabitants)
100 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 1.7 2021-05-19
10:42:19		 43.3597 12.5628 8 2021-12-29
11:12:00		 Bollettino Sismico Italiano INGV 90476021
Reviewed
Rev100 		ML 1.7 2021-05-19
10:42:20		 43.3615 12.5655 8 2021-05-19
10:50:08		 Sala Sismica INGV-Roma 90257281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-19 10:42:19 ± 0.04
Latitude 43.3597 ± 0.0018
Longitude 12.5628 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90476021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 200
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) 52
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70956
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 90257281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-19 10:50:08

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 90476021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-25 07:46:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2021-05-19T10:42:44.28 3.0 undecidable manual S 1.12 0
IV.TOLF.HHZ. 2021-05-19T10:42:42.69 3.0 positive manual P -2.06 0
IV.EL6.EHZ. 2021-05-19T10:42:35.02 0.6 undecidable manual S 94 43.623 50 0.43 44
IV.PARC.HHZ. 2021-05-19T10:42:34.31 0.3 undecidable manual S 321 41.3253 50 0.33 67
IV.GAVE.EHZ. 2021-05-19T10:42:33.64 0.3 undecidable manual P 160 78.7656 50 -0.16 65
IV.PE3.EHE. 2021-05-19T10:42:33.33 0.3 undecidable manual S 352 37.7289 50 0.32 68
IV.ASSB.HHZ. 2021-05-19T10:42:32.57 0.3 undecidable manual S 168 36.0417 50 0.01 73
IV.MGAB.HHZ. 2021-05-19T10:42:31.33 3.0 positive manual P -0.1 0
IV.MPAG.EHZ. 2021-05-19T10:42:31.92 0.6 undecidable manual S 28 33.8439 50 -0.06 48
IV.CSP1.EHZ. 2021-05-19T10:42:31.01 0.3 undecidable manual P 120 59.7957 50 0.14 68
IV.ARVD.HHZ. 2021-05-19T10:42:31.93 0.6 undecidable manual S 63 34.1436 50 -0.14 47
IV.BADI.EHZ. 2021-05-19T10:42:30.71 0.6 undecidable manual S 303 30.5472 105 -0.19 47
IV.MOMA.HHZ. 2021-05-19T10:42:30.89 0.3 undecidable manual P 179 61.6938 50 -0.27 66
IV.NARO.HHZ. 2021-05-19T10:42:29.61 0.3 undecidable manual S 3 27.8499 107 -0.4 68
IV.CAFI.HHZ. 2021-05-19T10:42:29.00 0.3 undecidable manual P 266 48.2184 50 -0.09 70
IV.FDMO.HHZ. 2021-05-19T10:42:29.92 0.3 undecidable manual P 130 55.5 50 -0.29 66
IV.APEC.HHZ. 2021-05-19T10:42:29.06 0.6 undecidable manual S 332 24.8529 109 0.05 49
IV.FRON.EHZ. 2021-05-19T10:42:28.12 0.3 undecidable manual S 37 21.867 111 0.09 73
IV.ATVA.EHE. 2021-05-19T10:42:28.62 0.3 undecidable manual S 248 24.1536 109 -0.14 72
IV.ATMI.HHZ. 2021-05-19T10:42:28.67 0.3 undecidable manual S 263 23.9538 109 -0.03 74
IV.CESI.HHZ. 2021-05-19T10:42:28.99 0.3 undecidable manual P 145 48.1185 50 -0.08 70
IV.EL6.EHZ. 2021-05-19T10:42:28.32 0.3 undecidable manual P 94 43.623 50 -0.06 71
IV.SSFR.HHZ. 2021-05-19T10:42:27.43 0.3 undecidable manual S 64 19.6692 113 0.13 73
IV.PE3.EHE. 2021-05-19T10:42:27.78 0.3 undecidable manual P 352 37.7289 50 0.31 68
IV.PARC.HHZ. 2021-05-19T10:42:27.83 0.1 undecidable manual P 321 41.3253 50 -0.2 92
IV.FOSV.HNN. 2021-05-19T10:42:27.03 0.3 undecidable manual S 114 17.5713 116 0.39 69
IV.PIEI.HNN. 2021-05-19T10:42:27.40 0.3 undecidable manual S 353 19.6692 113 0.09 74
IV.ARVD.HHZ. 2021-05-19T10:42:26.66 0.3 undecidable manual P 63 34.1436 50 -0.26 69
IV.ATPC.HNE. 2021-05-19T10:42:26.19 0.3 undecidable manual S 328 15.873 118 0.06 74
IV.ASSB.HHZ. 2021-05-19T10:42:26.89 0.1 undecidable manual P 168 36.0417 50 -0.32 91
IV.ATPI.EHZ. 2021-05-19T10:42:26.38 0.3 undecidable manual S 308 16.3725 117 0.09 74
IV.BADI.EHZ. 2021-05-19T10:42:26.13 0.1 undecidable manual P 303 30.5472 105 -0.12 96
IV.MPAG.EHZ. 2021-05-19T10:42:26.52 0.3 undecidable manual P 28 33.8439 50 -0.35 68
IV.ATLO.EHZ. 2021-05-19T10:42:25.43 0.3 undecidable manual S 249 13.4754 122 0.02 75
IV.ATMI.HHZ. 2021-05-19T10:42:25.03 0.3 undecidable manual P 263 23.9538 109 0.05 74
IV.MURB.HHZ. 2021-05-19T10:42:25.23 0.3 undecidable manual S 196 11.1777 127 0.49 68
IV.NARO.HHZ. 2021-05-19T10:42:25.48 0.3 undecidable manual P 3 27.8499 107 -0.25 70
IV.TB03.DH1.01 2021-05-19T10:42:25.34 0.3 undecidable manual S 291 13.1757 123 0.04 75
IV.ATBU.EHE. 2021-05-19T10:42:25.43 0.3 undecidable manual S 355 12.9759 123 0.19 73
IV.APEC.HHZ. 2021-05-19T10:42:25.08 0.3 undecidable manual P 332 24.8529 109 -0.08 73
IV.TB01.DHE.01 2021-05-19T10:42:24.48 0.3 undecidable manual S 283 10.5783 129 -0.09 75
IV.PIEI.HNN. 2021-05-19T10:42:24.19 0.1 undecidable manual P 353 19.6692 113 0.01 99
IV.SSFR.HHZ. 2021-05-19T10:42:24.29 0.1 undecidable manual P 64 19.6692 113 0.12 97
IT.UMBT.HGZ. 2021-05-19T10:42:24.31 0.3 undecidable manual P 251 18.7701 114 0.3 70
IV.FRON.EHZ. 2021-05-19T10:42:24.64 0.1 positive manual P 37 21.867 111 0.05 98
IV.ATVA.EHE. 2021-05-19T10:42:24.76 0.1 undecidable manual P 248 24.1536 109 -0.25 94
IV.ATBU.EHE. 2021-05-19T10:42:23.25 0.1 positive manual P 355 12.9759 123 0.27 96
IV.FOSV.HNN. 2021-05-19T10:42:23.97 0.3 undecidable manual P 114 17.5713 116 0.18 72
IV.ATLO.EHZ. 2021-05-19T10:42:23.25 0.1 positive manual P 249 13.4754 122 0.17 97
IV.MURB.HHZ. 2021-05-19T10:42:23.05 0.1 positive manual P 196 11.1777 127 0.36 94
IV.ATPC.HNE. 2021-05-19T10:42:23.64 0.1 undecidable manual P 328 15.873 118 0.14 98
IV.TB03.DH1.01 2021-05-19T10:42:23.13 0.1 undecidable manual P 291 13.1757 123 0.11 99
IV.ATPI.EHZ. 2021-05-19T10:42:23.66 0.1 undecidable manual P 308 16.3725 117 0.07 99
IV.TB01.DHE.01 2021-05-19T10:42:22.66 0.1 undecidable manual P 283 10.5783 129 0.07 100
IV.ATFO.HHZ. 2021-05-19T10:42:21.28 0.1 positive manual P 42 0.999 173 -0.31 97
IV.ATFO.HHZ. 2021-05-19T10:42:21.95 0.1 undecidable manual S 42 0.999 173 -0.88 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:1.6 0.000336 0.34 AML other m 2021-05-19T10:42:26.74
IV.ATPI.EHN. ML:1.7 0.0004915000000000001 0.22 AML other m 2021-05-19T10:42:27.29
IV.APEC.HHN. ML:1.6 0.0002395 1.86 AML other m 2021-05-19T10:42:29.00
IV.NARO.HHE. ML:1.7 0.00028500000000000004 0.52 AML other m 2021-05-19T10:42:30.55
IV.APEC.HHE. ML:1.7 0.000307 1.52 AML other m 2021-05-19T10:42:30.21
IV.NARO.HHN. ML:1.6 0.00019250000000000002 0.4 AML other m 2021-05-19T10:42:31.19
IV.BADI.EHE. ML:2.2 0.000763 0.18 AML other m 2021-05-19T10:42:31.34
IV.BADI.EHN. ML:2.0 0.000521 0.84 AML other m 2021-05-19T10:42:31.24
IV.MPAG.EHN. ML:1.6 0.0001495 1.14 AML other m 2021-05-19T10:42:31.98
IV.ATMI.HHE. ML:1.7 0.000321 1.26 AML other m 2021-05-19T10:42:32.77
IV.MPAG.EHE. ML:1.5 0.00013700000000000002 0.32 AML other m 2021-05-19T10:42:33.06
IV.ASSB.HHN. ML:1.8 0.0002655 0.1 AML other m 2021-05-19T10:42:33.65
IV.ASSB.HHE. ML:1.7 0.0002055 0.24 AML other m 2021-05-19T10:42:33.71
IV.ARVD.HHN. ML:1.5 0.00013775 0.82 AML other m 2021-05-19T10:42:33.84
IV.ARVD.HHE. ML:1.6 0.00014800000000000002 0.94 AML other m 2021-05-19T10:42:33.43
IV.PARC.HHE. ML:1.6 0.0001485 0.82 AML other m 2021-05-19T10:42:35.84
IV.PARC.HHN. ML:1.4 0.00009504999999999999 0.3 AML other m 2021-05-19T10:42:35.54
IV.EL6.EHE. ML:1.7 0.000157 0.18 AML other m 2021-05-19T10:42:36.45
IV.EL6.EHN. ML:1.8 0.000193 0.2 AML other m 2021-05-19T10:42:36.51
IV.ATMI.HHN. ML:1.8 0.00038250000000000003 0.34 AML other m 2021-05-19T10:42:37.18
IV.CESI.HHN. ML:1.5 0.00009745000000000001 1.28 AML other m 2021-05-19T10:42:37.97
IV.CESI.HHE. ML:1.6 0.00010200000000000001 0.76 AML other m 2021-05-19T10:42:37.41
IV.MOMA.HHE. ML:1.7 0.0001045 0.5 AML other m 2021-05-19T10:42:45.14
IV.MOMA.HHN. ML:1.7 0.00008885 1.28 AML other m 2021-05-19T10:42:45.82
IV.GAVE.EHN. ML:1.9 0.000121 0.96 AML other m 2021-05-19T10:42:49.23
IV.GAVE.EHE. ML:2.0 0.000132 0.4 AML other m 2021-05-19T10:42:49.67
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