Earthquake with magnitude of ML 0.8 on date 25-05-2021 and time 13:11:20 (Italy) in region 2 km NW Gubbio (PG)

A magnitude ML 0.8 earthquake occured in region: 2 km NW Gubbio (PG), on

  • 25-05-2021 11:11:20 (UTC)
  • 25-05-2021 13:11:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3690, 12.5570 at 4 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 10 1393 33609
Pietralunga PG 13 2111 35720
Costacciaro PG 13 1216 36936
Cantiano PU 13 2245 39181
Sigillo PG 16 2404 41585
Montone PG 19 1680 43265
Fossato di Vico PG 19 2840 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
Reviewed
Rev100
ML 0.8 2021-05-25
11:11:20
43.3693 12.5567 4 2021-05-25
11:22:12
Sala Sismica INGV-Roma 90479351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-25 11:11:20 ± 0.08
Latitude 43.3693 ± 0.0027
Longitude 12.5567 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90479351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 330
Semi-minor axis of confidence ellipse (meter) 26
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24192
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 90479351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-25 11:22:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.CARE.EHZ. 2021-05-25T11:12:57.62 3.0 undecidable manual Sn 5.33 0
IV.ESCV.HHZ. 2021-05-25T11:12:52.80 3.0 negative manual Pg 14.23 0
AC.VLO.HHZ. 2021-05-25T11:12:47.59 3.0 positive manual Pn 7.77 0
IV.PZUN.HHZ. 2021-05-25T11:12:45.66 3.0 undecidable manual Sn -3.32 0
IV.CELI.HHZ. 2021-05-25T11:12:44.41 3.0 undecidable manual Pg 18.530001 0
IV.SPS2.HHZ. 2021-05-25T11:12:43.72 3.0 undecidable manual Pg 17.620001 0
IV.CADC.HNZ. 2021-05-25T11:12:35.60 3.0 undecidable manual Sn -1.74 0
GU.BLANC.HHZ. 2021-05-25T11:12:30.22 3.0 undecidable manual Pn 1.6 0
CR.ZAG.BHZ. 2021-05-25T11:12:24.90 3.0 undecidable manual Pg 15.44 0
IV.MNTV.EHZ. 2021-05-25T11:12:24.64 3.0 undecidable manual Sn 0.21 0
ST.CARE.EHZ. 2021-05-25T11:12:11.27 3.0 negative manual Pn 1.5 0
IV.VIVA.HHZ. 2021-05-25T11:12:03.48 3.0 undecidable manual S 3.2 0
IV.NDIM.HNZ. 2021-05-25T11:11:49.75 3.0 positive manual Pn -0.86 0
IV.VIVA.HHZ. 2021-05-25T11:11:42.60 3.0 negative manual P 2.05 0
IV.ARRO.EHZ. 2021-05-25T11:11:35.54 3.0 undecidable manual S -1.4 0
IV.NARO.HHZ. 2021-05-25T11:11:30.10 0.6 undecidable manual S 4 26.8509 98 0.02 49
IV.ATCC.EHZ. 2021-05-25T11:11:28.39 0.3 undecidable manual S 162 21.5673 100 0.14 73
IV.MNTT.EHZ. 2021-05-25T11:11:27.59 3.0 undecidable manual P -0.81 0
IV.SSFR.HHZ. 2021-05-25T11:11:27.54 0.6 undecidable manual S 68 19.6692 101 -0.07 49
IV.PIEI.HHZ. 2021-05-25T11:11:27.53 0.6 undecidable manual S 355 18.5703 101 0.3 47
IV.ARRO.EHZ. 2021-05-25T11:11:26.06 3.0 undecidable manual P -1.38 0
IV.ATLO.EHZ. 2021-05-25T11:11:25.76 0.6 undecidable manual S 244 13.4754 105 0.25 48
IV.ATVO.HHZ. 2021-05-25T11:11:25.10 0.6 undecidable manual S 277 12.1767 107 0.02 51
IV.NARO.HHZ. 2021-05-25T11:11:25.79 1.0 positive manual P 4 26.8509 98 -0.31 23
IV.MURB.HHZ. 2021-05-25T11:11:25.22 0.3 undecidable manual S 192 12.0768 107 0.17 74
IV.PIEI.HHZ. 2021-05-25T11:11:24.37 1.0 negative manual P 355 18.5703 101 -0.09 25
IV.ATCC.EHZ. 2021-05-25T11:11:24.79 0.1 undecidable manual P 162 21.5673 100 -0.26 95
IV.SSFR.HHZ. 2021-05-25T11:11:24.84 0.1 undecidable manual P 68 19.6692 101 0.16 97
IV.MURB.HHZ. 2021-05-25T11:11:23.27 0.1 undecidable manual P 192 12.0768 107 0.07 100
IV.ATLO.EHZ. 2021-05-25T11:11:23.26 0.1 undecidable manual P 244 13.4754 105 -0.21 97
IV.ATVO.HHZ. 2021-05-25T11:11:22.93 1.0 undecidable manual P 277 12.1767 107 -0.29 24
IV.ATFO.HHZ. 2021-05-25T11:11:21.98 0.6 undecidable manual S 104 1.1988 161 -0.04 51
IV.ATFO.HHZ. 2021-05-25T11:11:21.27 0.6 undecidable manual P 104 1.1988 161 -0.18 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.5 0.0000427 0.42 AML other m 2021-05-25T11:11:25.60
IV.ATVO.HHN. ML:0.5 0.00004825 0.42 AML other m 2021-05-25T11:11:25.47
IV.MURB.HHN. ML:1.0 0.00013700000000000002 0.3 AML other m 2021-05-25T11:11:25.96
IV.MURB.HHE. ML:1.0 0.0001555 0.64 AML other m 2021-05-25T11:11:26.39
IV.PIEI.HHN. ML:0.6 0.000038900000000000004 0.24 AML other m 2021-05-25T11:11:28.10
IV.PIEI.HHE. ML:0.8 0.0000571 0.26 AML other m 2021-05-25T11:11:28.25
IV.ARRO.EHN. ML:1.6 0.0000471 1.04 AML other m 2021-05-25T11:11:42.74
IV.ARRO.EHE. ML:1.5 0.000035000000000000004 0.48 AML other m 2021-05-25T11:11:49.16
IV.MURB.HNE. ML:0.9 0.00010610527800000002 0.3904 AML other m 2021-05-25T11:11:25.68
IV.MURB.HNN. ML:0.5 0.00005170113 0.2816 AML other m 2021-05-25T11:11:25.46
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