Earthquake with magnitude of ML 1.0 on date 18-05-2021 and time 07:24:50 (UTC) in region 2 km NW Gubbio (PG)

A magnitude ML 1.0 earthquake occured in region: 2 km NW Gubbio (PG), on

  • 18-05-2021 07:24:50 (UTC)
  • 18-05-2021 09:24:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3680, 12.5660 at 5 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 9 1393 33609
Costacciaro PG 12 1216 34825
Cantiano PU 13 2245 37070
Pietralunga PG 13 2111 39181
Sigillo PG 15 2404 41585
Fossato di Vico PG 18 2840 44425
Montone PG 19 1680 46105

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)
64 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
89 Km SE of Cesena (96758 inhabitants)
90 Km N of Terni (111501 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
Reviewed
Rev100
ML 1.0 2021-05-18
07:24:50
43.3677 12.5662 5 2021-05-18
07:30:44
Sala Sismica INGV-Roma 90219021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 07:24:50 ± 0.09
Latitude 43.3677 ± 0.0036
Longitude 12.5662 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90219021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 370
Semi-minor axis of confidence ellipse (meter) 63
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 50
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50362
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 90219021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-18 07:30:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2021-05-18T07:25:34.18 3.0 undecidable manual S -0.82 0
IV.VIVA.HHZ. 2021-05-18T07:25:17.81 3.0 negative manual P -1.03 0
IV.TOLF.HHZ. 2021-05-18T07:25:15.02 3.0 positive manual P -0.39 0
IV.MCIV.CHZ. 2021-05-18T07:25:09.12 3.0 undecidable manual P 1.11 0
IV.SAP2.EHZ. 2021-05-18T07:25:02.60 3.0 negative manual P -1.09 0
IV.BADI.EHZ. 2021-05-18T07:25:01.20 0.3 undecidable manual S 301 30.3474 99 -0.02 73
IV.FDMO.HHZ. 2021-05-18T07:25:00.76 0.6 negative manual P 131 55.8996 50 -0.63 40
IV.EL6.EHZ. 2021-05-18T07:24:59.91 0.6 undecidable manual P 95 43.4232 96 0.6 41
IV.FRON.EHZ. 2021-05-18T07:24:58.33 0.3 undecidable manual S 38 21.0678 103 0.28 70
IV.ASSB.HHZ. 2021-05-18T07:24:57.49 0.6 negative manual P 168 36.8298 97 -0.51 43
IV.PIEI.HHZ. 2021-05-18T07:24:57.52 0.3 undecidable manual S 352 18.7701 104 0.22 72
IV.NARO.HHZ. 2021-05-18T07:24:56.07 0.6 positive manual P 2 27.0507 100 0.01 49
IV.ATPI.EHZ. 2021-05-18T07:24:56.44 0.3 undecidable manual S 305 16.0728 107 0.04 75
IV.BADI.EHZ. 2021-05-18T07:24:56.43 1.0 positive manual P 301 30.3474 99 -0.28 23
IV.MURB.HHZ. 2021-05-18T07:24:55.70 0.1 undecidable manual S 196 12.0768 112 0.62 87
IV.TB03.DH2.01 2021-05-18T07:24:55.47 0.3 undecidable manual S 287 13.0758 110 0.06 75
IV.ATLO.EHN. 2021-05-18T07:24:55.69 0.3 undecidable manual S 246 14.0748 109 -0.04 75
IV.FRON.EHZ. 2021-05-18T07:24:54.88 0.6 negative manual P 38 21.0678 103 0 50
IV.FOSV.EHZ. 2021-05-18T07:24:54.00 0.3 positive manual P 117 17.6712 105 -0.23 71
IV.SSFR.HHN. 2021-05-18T07:24:54.48 0.1 undecidable manual P 66 18.9699 104 -0.01 100
IV.PIEI.HHZ. 2021-05-18T07:24:54.44 0.6 positive manual P 352 18.7701 104 -0.01 50
IV.ATPC.HHE. 2021-05-18T07:24:53.75 0.1 undecidable manual P 325 15.2736 108 -0.03 100
IV.ATLO.EHN. 2021-05-18T07:24:53.43 0.1 undecidable manual P 246 14.0748 109 -0.11 98
IV.MURB.HHZ. 2021-05-18T07:24:53.44 0.3 positive manual P 196 12.0768 112 0.27 72
IV.TB03.DH2.01 2021-05-18T07:24:53.20 0.1 undecidable manual P 287 13.0758 110 -0.16 98
IV.ATPI.EHZ. 2021-05-18T07:24:53.83 0.6 undecidable manual P 305 16.0728 107 -0.1 49
IV.ATBU.EHE. 2021-05-18T07:24:53.29 0.1 undecidable manual P 353 12.0768 112 0.12 98
IV.ATFO.HHZ. 2021-05-18T07:24:51.96 0.1 undecidable manual S 105 0.3996 175 -0.28 97
IV.ATFO.HHZ. 2021-05-18T07:24:51.39 0.1 undecidable manual P 105 0.3996 175 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.8 0.00006945 0.14 AML other m 2021-05-18T07:24:56.77
IV.PIEI.HHN. ML:0.8 0.0000624 0.26 AML other m 2021-05-18T07:24:58.16
IV.ATPI.EHE. ML:0.6 0.00004149999999999999 0.58 AML other m 2021-05-18T07:24:58.59
IV.PIEI.HHE. ML:1.1 0.00009834999999999999 0.2 AML other m 2021-05-18T07:24:58.53
IV.BADI.EHN. ML:1.2 0.00008365 0.24 AML other m 2021-05-18T07:25:01.33
IV.BADI.EHE. ML:1.2 0.0000857 0.24 AML other m 2021-05-18T07:25:01.33
IV.ASSB.HHE. ML:0.9 0.00003095 0.42 AML other m 2021-05-18T07:25:04.11
IV.ASSB.HHN. ML:1.0 0.00003305 0.72 AML other m 2021-05-18T07:25:05.17
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