Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 15-05-2021 and time 07:58:43 (UTC) in region 2 km NW Gubbio (PG)

A magnitude ML 2.3 earthquake occured in region: 2 km NW Gubbio (PG), on

  • 15-05-2021 07:58:43 (UTC)
  • 15-05-2021 09:58:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3670, 12.5560 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 2 32216 32216
Scheggia e Pascelupo PG 10 1393 33609
Costacciaro PG 13 1216 34825
Pietralunga PG 13 2111 36936
Cantiano PU 13 2245 39181
Sigillo PG 16 2404 41585
Fossato di Vico PG 19 2840 44425
Montone PG 19 1680 46105
Umbertide PG 20 16681 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
47 Km N of Foligno (57155 inhabitants)
56 Km E of Arezzo (99543 inhabitants)
65 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
83 Km W of Ancona (100861 inhabitants)
89 Km S of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
99 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 2.3 2021-05-15
07:58:43		 43.3673 12.5562 9 2021-12-29
11:12:02		 Bollettino Sismico Italiano INGV 90690881
Reviewed
Rev100 		ML 2.1 2021-05-15
07:58:43		 43.3645 12.5543 9 2021-05-15
08:38:00		 Sala Sismica INGV-Roma 90116071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-15 07:58:43 ± 0.03
Latitude 43.3673 ± 0.0018
Longitude 12.5562 ± 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 90690881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 152
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
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) 28
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73115
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:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 90690881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 10:08:20

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 90116071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-15 08:38:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HNZ. 2021-05-15T07:59:20.04 3.0 negative manual Pg 5.66 0
IV.SAP2.EHZ. 2021-05-15T07:59:09.14 3.0 undecidable manual S 1.86 0
IV.FDMO.HHZ. 2021-05-15T07:59:01.92 0.6 undecidable manual S 130 56.499 50 0.28 47
IV.CESI.HHZ. 2021-05-15T07:59:00.03 0.6 undecidable manual S 145 49.1175 50 0.36 47
IV.FIR.HHZ. 2021-05-15T07:59:00.87 3.0 undecidable manual P -1.41 0
IV.CAFI.HHZ. 2021-05-15T07:58:59.29 0.6 undecidable manual S 265 47.8188 50 -0.02 50
IV.EL6.EHZ. 2021-05-15T07:58:58.52 0.6 undecidable manual S 95 44.2224 50 0.16 49
IV.GAVE.EHZ. 2021-05-15T07:58:57.70 0.3 undecidable manual P 160 79.7646 50 0.1 70
IV.MMO1.EHZ. 2021-05-15T07:58:57.52 0.6 undecidable manual P 130 81.1521 50 -0.29 45
IV.ASSB.HHZ. 2021-05-15T07:58:56.35 0.3 undecidable manual S 167 36.9297 50 -0.08 76
IV.PE3.EHZ. 2021-05-15T07:58:56.84 0.6 undecidable manual S 352 36.741 50 0.46 47
IV.MMUR.HNE. 2021-05-15T07:58:56.27 0.3 undecidable manual S 77 36.5412 50 -0.03 77
IV.ARVD.HHZ. 2021-05-15T07:58:55.80 0.3 undecidable manual S 65 34.2435 50 0.09 76
IV.MGAB.HHZ. 2021-05-15T07:58:55.09 0.3 undecidable manual P 216 61.8936 50 0.24 70
IV.MPAG.EHZ. 2021-05-15T07:58:55.34 0.3 undecidable manual S 29 33.3444 50 -0.12 76
IV.CSP1.EHZ. 2021-05-15T07:58:54.91 0.3 undecidable manual P 120 60.6948 50 0.25 70
IV.BADI.EHZ. 2021-05-15T07:58:54.56 0.3 undecidable manual S 302 29.6481 106 0.23 74
IV.ATMC.EHE. 2021-05-15T07:58:54.29 0.3 undecidable manual S 287 30.5472 106 -0.34 73
IV.FDMO.HHZ. 2021-05-15T07:58:54.01 0.3 positive manual P 130 56.499 50 0 74
IV.MOMA.HHZ. 2021-05-15T07:58:54.84 0.6 undecidable manual P 179 62.493 50 -0.1 48
IV.NARO.HHZ. 2021-05-15T07:58:53.19 0.3 undecidable manual S 4 27.0507 108 -0.28 74
IV.EL6.EHZ. 2021-05-15T07:58:52.04 0.6 negative manual P 95 44.2224 50 -0.08 50
IV.ATCC.EHZ. 2021-05-15T07:58:52.02 0.3 undecidable manual S 161 21.3675 112 0.43 72
IV.CAFI.HHZ. 2021-05-15T07:58:52.71 0.1 negative manual P 265 47.8188 50 0.04 100
IV.MML1.HNE. 2021-05-15T07:58:52.11 0.3 undecidable manual P 130 43.8228 50 0.05 75
IV.CESI.HHZ. 2021-05-15T07:58:52.71 0.3 undecidable manual P 145 49.1175 50 -0.16 73
IV.PARC.HHE. 2021-05-15T07:58:51.06 0.6 undecidable manual P 321 40.3263 50 -0.46 46
IV.FRON.EHZ. 2021-05-15T07:58:51.64 0.3 undecidable manual S 39 21.5673 112 -0.03 79
IV.PE3.EHZ. 2021-05-15T07:58:51.23 0.3 undecidable manual P 352 36.741 50 0.26 73
IV.ARVD.HHZ. 2021-05-15T07:58:50.32 0.3 undecidable manual P 65 34.2435 50 -0.26 73
IV.SSFR.HHZ. 2021-05-15T07:58:50.82 0.3 undecidable manual S 67 19.7691 114 -0.27 75
IV.MMUR.HNE. 2021-05-15T07:58:50.88 0.6 undecidable manual P 77 36.5412 50 -0.05 51
IV.MPAG.EHZ. 2021-05-15T07:58:50.32 0.3 undecidable manual P 29 33.3444 50 -0.12 76
IV.ASSB.HHZ. 2021-05-15T07:58:50.50 0.6 positive manual P 167 36.9297 50 -0.5 46
IV.FOSV.EHZ. 2021-05-15T07:58:50.66 0.3 undecidable manual S 116 18.3705 115 0 80
IV.PIEI.HHZ. 2021-05-15T07:58:50.94 0.6 undecidable manual S 355 18.7701 115 0.17 51
IV.ATPI.EHZ. 2021-05-15T07:58:49.86 0.3 undecidable manual S 307 15.4734 120 0.1 79
IV.ATLO.EHZ. 2021-05-15T07:58:49.00 0.3 undecidable manual S 244 13.3755 123 -0.13 78
IV.ATBU.HNZ. 2021-05-15T07:58:49.10 0.3 undecidable manual S 357 12.0768 126 0.34 75
IV.BADI.EHZ. 2021-05-15T07:58:49.72 0.6 negative manual P 302 29.6481 106 -0.07 51
IV.ATPC.HHZ. 2021-05-15T07:58:49.99 0.3 undecidable manual S 328 14.874 120 0.4 74
IV.ATMC.EHE. 2021-05-15T07:58:49.98 0.3 undecidable manual P 287 30.5472 106 0.02 78
IV.FRON.EHZ. 2021-05-15T07:58:48.23 0.6 undecidable manual P 39 21.5673 112 -0.02 53
IV.NARO.HHZ. 2021-05-15T07:58:48.83 0.6 undecidable manual P 4 27.0507 108 -0.46 47
IV.PIEI.HHZ. 2021-05-15T07:58:48.09 0.6 undecidable manual P 355 18.7701 115 0.35 49
IV.ATVA.EHZ. 2021-05-15T07:58:48.69 0.6 undecidable manual P 246 23.9538 110 -0.01 52
IV.FOSV.EHZ. 2021-05-15T07:58:47.76 0.3 undecidable manual P 116 18.3705 115 0.09 78
IV.ATCC.EHZ. 2021-05-15T07:58:47.92 0.3 undecidable manual P 161 21.3675 112 -0.29 75
IV.SSFR.HHZ. 2021-05-15T07:58:47.88 0.6 undecidable manual P 67 19.7691 114 -0.04 53
IV.ATBU.HNZ. 2021-05-15T07:58:46.75 0.3 undecidable manual P 357 12.0768 126 0.18 78
IV.ATPC.HHZ. 2021-05-15T07:58:46.52 0.6 undecidable manual P 328 14.874 120 -0.53 47
IV.MURB.HNZ. 2021-05-15T07:58:46.58 0.6 undecidable manual P 192 11.877 126 0.04 53
IV.ATPI.EHZ. 2021-05-15T07:58:46.92 0.6 undecidable manual P 307 15.4734 120 -0.23 51
IV.ATLO.EHZ. 2021-05-15T07:58:46.72 0.3 undecidable manual P 244 13.3755 123 -0.07 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:1.9 0.0007205 0.4 AML other m 2021-05-15T07:58:51.32
IV.PIEI.HHE. ML:2.1 0.0010415 1.64 AML other m 2021-05-15T07:58:51.17
IV.FRON.EHE. ML:2.4 0.0018450000000000003 0.12 AML other m 2021-05-15T07:58:51.82
IV.FRON.EHN. ML:2.6 0.0030800000000000003 0.14 AML other m 2021-05-15T07:58:51.83
IV.ATCC.EHE. ML:2.4 0.0018700000000000001 0.28 AML other m 2021-05-15T07:58:52.69
IV.ATCC.EHN. ML:2.3 0.0014849999999999998 1.06 AML other m 2021-05-15T07:58:52.23
IV.BADI.EHN. ML:2.4 0.00127 0.28 AML other m 2021-05-15T07:58:54.75
IV.BADI.EHE. ML:2.6 0.0017549999999999998 0.2 AML other m 2021-05-15T07:58:54.85
IV.ASSB.HHN. ML:2.2 0.000616 0.1 AML other m 2021-05-15T07:58:57.15
IV.ASSB.HHE. ML:2.1 0.0004915 1.06 AML other m 2021-05-15T07:58:57.66
IV.MGAB.HHE. ML:2.4 0.00047 0.5 AML other m 2021-05-15T07:59:05.80
IV.MGAB.HNE. ML:2.4 0.000446 1.24 AML other m 2021-05-15T07:59:05.81
IV.MGAB.HNN. ML:2.4 0.0005204999999999999 0.62 AML other m 2021-05-15T07:59:06.88
IV.MGAB.HHN. ML:2.4 0.0005489999999999999 0.64 AML other m 2021-05-15T07:59:06.56
IV.GAVE.EHN. ML:2.3 0.00030633825 0.32 AML other m 2021-05-15T07:59:12.90
IV.GAVE.EHE. ML:2.4 0.00032609014999999996 1.6224 AML other m 2021-05-15T07:59:12.17
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
Waveforms Seismic signals in miniseed + resp format Download