Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 08-06-2021 and time 13:00:06 (Italy) in region 4 km SW Pietralunga (PG)

A magnitude ML 0.5 earthquake occured in region: 4 km SW Pietralunga (PG), on

  • 08-06-2021 11:00:06 (UTC)
  • 08-06-2021 13:00:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4110, 12.4200 at 6 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 4 2111 2111
Montone PG 9 1680 3791
Umbertide PG 14 16681 20472
Gubbio PG 14 32216 52688
Città di Castello PG 16 39913 92601
Apecchio PU 17 1882 94483
Cantiano PU 18 2245 96728

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
56 Km NW of Foligno (57155 inhabitants)
68 Km SW of Fano (60888 inhabitants)
68 Km SW of Pesaro (94582 inhabitants)
73 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
89 Km E of Siena (53903 inhabitants)
92 Km W of Ancona (100861 inhabitants)
95 Km SE of Forlì (117913 inhabitants)
96 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 0.5 2021-06-08
11:00:06		 43.4107 12.4198 6 2021-06-08
11:10:14		 Sala Sismica INGV-Roma 90932021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-08 11:00:06 ± 0.08
Latitude 43.4107 ± 0.0018
Longitude 12.4198 ± 0.0050
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90932021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 233
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.01169
Epicentral distance of station farthest from the epicenter (degree) 0.16637
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 90932021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-08 11:10:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2021-06-08T11:00:13.86 0.6 undecidable manual S 153 18.4704 109 0.29 46
IV.PIEI.HHZ. 2021-06-08T11:00:12.98 0.6 undecidable manual S 34 16.6722 111 -0.03 49
IV.ATLO.HNN. 2021-06-08T11:00:11.17 0.6 undecidable manual S 185 10.6782 121 0.06 49
IV.ATBU.HNE. 2021-06-08T11:00:11.76 0.6 undecidable manual S 55 12.5763 117 0.05 49
IV.ATPC.HNE. 2021-06-08T11:00:10.60 0.6 undecidable manual S 21 8.3805 127 0.15 48
IV.PIEI.HHZ. 2021-06-08T11:00:10.22 0.6 undecidable manual P 34 16.6722 111 -0.17 47
IV.MURB.HHZ. 2021-06-08T11:00:10.51 0.6 undecidable manual P 153 18.4704 109 -0.2 47
IV.ATPI.EHZ. 2021-06-08T11:00:09.59 0.6 undecidable manual S 342 4.6953 144 0.04 50
IV.ATBU.HNE. 2021-06-08T11:00:09.59 0.1 undecidable manual P 55 12.5763 117 -0.05 98
IV.TB01.DHE.01 2021-06-08T11:00:09.17 0.6 undecidable manual S 158 3.4965 152 -0.16 48
IV.ATVO.HHZ. 2021-06-08T11:00:09.31 0.6 undecidable manual S 199 3.2967 152 0 50
IV.ATLO.HNN. 2021-06-08T11:00:09.30 0.1 undecidable manual P 185 10.6782 121 0.01 99
IV.TB02.DHE. 2021-06-08T11:00:09.40 0.6 undecidable manual S 191 4.4955 145 -0.12 49
IV.ATVO.HHZ. 2021-06-08T11:00:08.28 0.1 undecidable manual P 199 3.2967 152 0.03 99
IV.TB02.DHE. 2021-06-08T11:00:08.42 0.1 undecidable manual P 191 4.4955 145 0.05 99
IV.ATPI.EHZ. 2021-06-08T11:00:08.41 0.6 undecidable manual P 342 4.6953 144 0.02 50
IV.ATPC.HNE. 2021-06-08T11:00:08.95 0.1 undecidable manual P 21 8.3805 127 0.04 98
IV.TB01.DHE.01 2021-06-08T11:00:08.19 0.1 undecidable manual P 158 3.4965 152 -0.07 99
IV.TB03.DH1. 2021-06-08T11:00:08.13 0.1 undecidable manual P 217 1.2987 169 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.5 0.000027799999999999998 0.8 AML other m 2021-06-08T11:00:13.49
IV.PIEI.HHN. ML:0.4 0.00002285 0.62 AML other m 2021-06-08T11:00:14.40
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