Earthquake with magnitude of ML 1.2 on date 18-05-2021 and time 06:19:36 (Italy) in region 3 km W Gubbio (PG)

A magnitude ML 1.2 earthquake occured in region: 3 km W Gubbio (PG), on

  • 18-05-2021 04:19:36 (UTC)
  • 18-05-2021 06:19:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3620, 12.5400 at 9 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 3 32216 32216
Scheggia e Pascelupo PG 11 1393 33609
Pietralunga PG 12 2111 35720
Costacciaro PG 14 1216 36936
Cantiano PU 14 2245 39181
Sigillo PG 17 2404 41585
Montone PG 17 1680 43265
Umbertide PG 18 16681 59946
Fossato di Vico PG 20 2840 62786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Perugia (166134 inhabitants)
47 Km N of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
66 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
78 Km S of Rimini (147750 inhabitants)
84 Km W of Ancona (100861 inhabitants)
89 Km S of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
98 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
Reviewed
Rev100
ML 1.2 2021-05-18
04:19:36
43.3625 12.5403 9 2021-05-18
04:34:25
Sala Sismica INGV-Roma 90213601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 04:19:36 ± 0.07
Latitude 43.3625 ± 0.0036
Longitude 12.5403 ± 0.0062
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90213601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 509
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 16
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51441
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 90213601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-18 04:34:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2021-05-18T04:20:15.65 3.0 undecidable manual S -0.13 0
IT.FIE.HGZ. 2021-05-18T04:20:12.72 3.0 undecidable manual S -0.33 0
IV.FIR.HHZ. 2021-05-18T04:20:12.70 3.0 undecidable manual S -0.73 0
IV.ASSB.HHZ. 2021-05-18T04:19:49.07 0.3 undecidable manual S 165 36.741 50 -0.19 69
IV.CRTC.HHZ. 2021-05-18T04:19:48.22 3.0 undecidable manual P 0.65 0
IV.FDMO.HHZ. 2021-05-18T04:19:46.98 1.0 undecidable manual P 129 57.0984 50 -0.03 23
IV.PIEI.HHZ. 2021-05-18T04:19:44.16 0.3 undecidable manual S 359 19.1697 115 0.3 69
IV.ASSB.HHZ. 2021-05-18T04:19:43.68 0.1 undecidable manual P 165 36.741 50 -0.19 91
IV.FOSV.EHZ. 2021-05-18T04:19:43.92 0.1 undecidable manual S 113 19.3695 115 0.03 97
IV.ARVD.HHZ. 2021-05-18T04:19:43.73 0.1 undecidable manual P 65 35.6421 50 0.03 94
IV.NARO.HHZ. 2021-05-18T04:19:42.22 0.1 undecidable manual P 7 27.75 108 -0.13 94
IV.ATPI.EHZ. 2021-05-18T04:19:42.45 0.1 undecidable manual S 311 14.7741 121 -0.06 97
IV.MURB.HHZ. 2021-05-18T04:19:41.61 0.1 undecidable manual S 187 11.0778 129 0.16 96
IV.FOSV.EHZ. 2021-05-18T04:19:41.05 0.1 undecidable manual P 113 19.3695 115 0.28 92
IV.FRON.EHZ. 2021-05-18T04:19:41.38 0.1 undecidable manual P 41 22.755 111 -0.03 97
IV.PIEI.HHZ. 2021-05-18T04:19:40.90 0.1 undecidable manual P 359 19.1697 115 0.15 95
IV.MURB.HHZ. 2021-05-18T04:19:39.61 0.1 undecidable manual P 187 11.0778 129 0.25 94
IV.ATPI.EHZ. 2021-05-18T04:19:39.90 0.1 undecidable manual P 311 14.7741 121 -0.07 97
IV.ATFO.HHZ. 2021-05-18T04:19:39.25 0.1 undecidable manual S 80 2.5974 164 -0.47 91
IV.ATFO.HHZ. 2021-05-18T04:19:38.33 0.1 undecidable manual P 80 2.5974 164 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:1.3 0.000247 0.64 AML other m 2021-05-18T04:19:41.90
IV.MURB.HNN. ML:1.3 0.00027400000000000005 1.5 AML other m 2021-05-18T04:19:41.90
IV.MURB.HNE. ML:1.3 0.000272 0.28 AML other m 2021-05-18T04:19:44.49
IV.MURB.HHE. ML:1.3 0.00025 0.26 AML other m 2021-05-18T04:19:44.36
IV.PIEI.HHN. ML:0.6 0.0000343 1.2 AML other m 2021-05-18T04:19:44.67
IV.PIEI.HHE. ML:0.9 0.00005895 1 AML other m 2021-05-18T04:19:45.60
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