Earthquake with magnitude of ML 0.9 on date 25-05-2021 and time 05:08:16 (Italy) in region 3 km NW Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km NW Gubbio (PG), on

  • 25-05-2021 03:08:16 (UTC)
  • 25-05-2021 05:08:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3750, 12.5600 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 3 32216 32216
Scheggia e Pascelupo PG 9 1393 33609
Cantiano PU 12 2245 35854
Costacciaro PG 13 1216 37070
Pietralunga PG 13 2111 39181
Sigillo PG 15 2404 41585
Fossato di Vico PG 19 2840 44425
Montone PG 19 1680 46105

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
56 Km E of Arezzo (99543 inhabitants)
64 Km SW of Fano (60888 inhabitants)
66 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
89 Km SE of Cesena (96758 inhabitants)
91 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 0.9 2021-05-25
03:08:16
43.3748 12.56 5 2021-05-25
03:17:02
Sala Sismica INGV-Roma 90470991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-25 03:08:16 ± 0.09
Latitude 43.3748 ± 0.0036
Longitude 12.5600 ± 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 90470991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 92
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
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) 0.33994
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 90470991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-25 03:17:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-05-25T03:08:23.27 0.6 negative manual P 168 37.7289 97 -0.49 43
IV.ARVD.HHZ. 2021-05-25T03:08:22.83 3.0 positive manual P 0.06 0
IV.NARO.HHZ. 2021-05-25T03:08:21.31 0.6 undecidable manual P 4 26.2515 100 -0.17 46
IV.MURB.HHZ. 2021-05-25T03:08:21.12 0.6 undecidable manual S 193 12.7761 110 0.26 47
IV.ATPI.EHZ. 2021-05-25T03:08:21.80 0.3 undecidable manual S 304 15.2736 107 0.12 72
IV.FRON.EHZ. 2021-05-25T03:08:20.66 0.3 undecidable manual P 40 20.7681 103 0.26 69
IV.APEC.HHZ. 2021-05-25T03:08:20.80 0.1 undecidable manual P 331 23.2545 102 -0.1 95
IV.ATVO.HHZ. 2021-05-25T03:08:20.69 0.1 undecidable manual S 274 12.3765 111 -0.05 97
IV.FOSV.EHZ. 2021-05-25T03:08:20.16 3.0 negative manual P 0 0
IV.ATCC.EHZ. 2021-05-25T03:08:20.65 0.1 undecidable manual P 163 22.0668 102 0 97
IV.ATPI.EHZ. 2021-05-25T03:08:19.37 0.1 undecidable manual P 304 15.2736 107 0.03 97
IV.MURB.HHZ. 2021-05-25T03:08:18.97 0.1 undecidable manual P 193 12.7761 110 0.11 96
IV.ATVO.HHZ. 2021-05-25T03:08:18.75 0.1 undecidable manual P 274 12.3765 111 -0.05 97
IV.ATFO.HHZ. 2021-05-25T03:08:17.78 0.1 undecidable manual S 135 1.2987 165 -0.07 99
IV.ATFO.HHZ. 2021-05-25T03:08:17.14 0.1 undecidable manual P 135 1.2987 165 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.8 0.00008044999999999999 0.36 AML other m 2021-05-25T03:08:21.50
IV.MURB.HHN. ML:1.2 0.00020950000000000002 0.26 AML other m 2021-05-25T03:08:21.52
IV.MURB.HHE. ML:1.4 0.0002965 1.08 AML other m 2021-05-25T03:08:22.11
IV.ATVO.HHN. ML:0.6 0.0000519 0.48 AML other m 2021-05-25T03:08:22.32
IV.FRON.EHE. ML:0.8 0.0000441 0.14 AML other m 2021-05-25T03:08:24.17
IV.FRON.EHN. ML:1.0 0.00007980000000000002 0.16 AML other m 2021-05-25T03:08:24.11
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