Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.2 on date 25-06-2021 and time 04:32:30 (Italy) in region 3 km E Pietralunga (PG)

A magnitude ML 0.2 earthquake occured in region: 3 km E Pietralunga (PG), on

  • 25-06-2021 02:32:30 (UTC)
  • 25-06-2021 04:32:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4380, 12.4730 at 8 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.

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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
Pietralunga PG 3 2111 2111
Gubbio PG 13 32216 34327
Cantiano PU 13 2245 36572
Apecchio PU 14 1882 38454
Montone PG 14 1680 40134
Scheggia e Pascelupo PG 16 1393 41527
Piobbico PU 17 2029 43556
Umbertide PG 19 16681 60237
Cagli PU 19 8731 68968
Città di Castello PG 19 39913 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
57 Km NW of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
70 Km S of Rimini (147750 inhabitants)
80 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
94 Km SE of Forlì (117913 inhabitants)
98 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 0.2 2021-06-25
02:32:30		 43.4378 12.473 8 2021-06-25
02:42:09		 Sala Sismica INGV-Roma 91849421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-25 02:32:30 ± 0.07
Latitude 43.4378 ± 0.0018
Longitude 12.4730 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91849421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 190
Semi-minor axis of confidence ellipse (meter) 84
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.22483
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 91849421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-25 02:42:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HNZ. 2021-06-25T02:32:39.63 0.3 undecidable manual S 90 24.9528 108 -0.03 72
IV.NARO.HHZ. 2021-06-25T02:32:38.14 0.3 undecidable manual S 24 21.0678 111 -0.25 69
IV.FRON.EHZ. 2021-06-25T02:32:38.69 0.3 undecidable manual S 66 22.1556 110 -0.07 72
IV.BADI.EHZ. 2021-06-25T02:32:38.29 0.3 undecidable manual S 293 20.0688 112 0.22 70
IV.ATSC.EHZ. 2021-06-25T02:32:37.29 0.3 undecidable manual S 95 17.2716 115 0.11 72
IV.ATLO.EHZ. 2021-06-25T02:32:36.30 0.3 undecidable manual S 201 14.5743 119 -0.05 73
IV.ATFO.HHZ. 2021-06-25T02:32:35.47 0.3 undecidable manual S 135 11.1777 125 0.12 73
IV.FRON.EHZ. 2021-06-25T02:32:35.09 0.3 undecidable manual P 66 22.1556 110 -0.21 70
IV.PIEI.HHZ. 2021-06-25T02:32:35.73 0.3 undecidable manual S 25 11.9769 124 0.17 72
IV.SSFR.HNZ. 2021-06-25T02:32:35.66 0.3 undecidable manual P 90 24.9528 108 -0.16 70
IV.ATSC.EHZ. 2021-06-25T02:32:34.41 0.3 undecidable manual P 95 17.2716 115 0.02 73
IV.TB03.DHZ.01 2021-06-25T02:32:34.09 0.3 undecidable manual S 231 6.4935 141 -0.05 74
IV.ATVO.HHZ. 2021-06-25T02:32:34.42 0.3 undecidable manual S 221 8.1807 134 -0.12 73
IV.NARO.HHZ. 2021-06-25T02:32:34.88 0.3 undecidable manual P 24 21.0678 111 -0.21 70
IV.BADI.EHZ. 2021-06-25T02:32:34.87 0.3 undecidable manual P 293 20.0688 112 -0.04 73
IV.TB01.DHZ.01 2021-06-25T02:32:34.10 0.3 undecidable manual S 206 6.8931 139 -0.15 73
IV.TB02.DHZ.01 2021-06-25T02:32:34.80 0.3 undecidable manual S 214 9.0798 131 0.03 74
IV.ATFO.HHZ. 2021-06-25T02:32:33.39 0.3 undecidable manual P 135 11.1777 125 0.06 74
IV.ATPC.HNZ. 2021-06-25T02:32:33.84 0.3 undecidable manual S 345 4.8951 148 0.01 75
IV.ATPI.EHZ. 2021-06-25T02:32:33.83 0.3 undecidable manual S 284 5.8941 144 -0.19 72
IV.PIEI.HHZ. 2021-06-25T02:32:33.60 0.3 undecidable manual P 25 11.9769 124 0.14 72
IV.TB02.DHZ.01 2021-06-25T02:32:33.06 0.1 undecidable manual P 214 9.0798 131 0.06 98
IV.ATLO.EHZ. 2021-06-25T02:32:33.95 0.3 undecidable manual P 201 14.5743 119 0.04 73
IV.TB01.DHZ.01 2021-06-25T02:32:32.73 0.1 undecidable manual P 206 6.8931 139 0.03 99
IV.ATPC.HNZ. 2021-06-25T02:32:32.56 0.1 undecidable manual P 345 4.8951 148 0.1 98
IV.ATPI.EHZ. 2021-06-25T02:32:32.56 0.1 undecidable manual P 284 5.8941 144 0 100
IV.TB03.DHZ.01 2021-06-25T02:32:32.65 0.1 undecidable manual P 231 6.4935 141 0.01 100
IV.ATVO.HHZ. 2021-06-25T02:32:32.89 0.1 undecidable manual P 221 8.1807 134 0.02 99
IV.ATBU.EHZ. 2021-06-25T02:32:32.99 0.1 undecidable manual P 55 7.3815 137 0.23 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.0 0.000043529231 0.28 AML other m 2021-06-25T02:32:33.96
IV.ATPI.EHN. ML:0.0 0.000042622645000000004 0.1184 AML other m 2021-06-25T02:32:33.89
IV.ATVO.HHE. ML:0.1 0.000022020955 0.24 AML other m 2021-06-25T02:32:34.91
IV.ATVO.HHN. ML:0.3 0.000027859025 0.1984 AML other m 2021-06-25T02:32:34.52
IV.ATFO.HHE. ML:0.2 0.00001921379 0.12 AML other m 2021-06-25T02:32:35.82
IV.ATFO.HHN. ML:0.2 0.000019180755 0.24 AML other m 2021-06-25T02:32:36.56
IV.PIEI.HHE. ML:0.1 0.000017112775 0.1808 AML other m 2021-06-25T02:32:36.59
IV.PIEI.HHN. ML:0.1 0.000014826105 0.1792 AML other m 2021-06-25T02:32:36.26
IV.BADI.EHE. ML:0.4 0.000017858535 0.1008 AML other m 2021-06-25T02:32:38.54
IV.BADI.EHN. ML:0.3 0.000013291937 0.1808 AML other m 2021-06-25T02:32:38.38
IV.NARO.HHE. ML:0.1 0.0000098981357 0.0592 AML other m 2021-06-25T02:32:38.34
IV.NARO.HHN. ML:-0.2 0.000006261124999999999 0.0592 AML other m 2021-06-25T02:32:38.15
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