Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 09-06-2023 and time 13:36:26 (UTC) in region 4 km NE Pietralunga (PG)

A magnitude ML 0.7 earthquake occured in region: 4 km NE Pietralunga (PG), on

  • 09-06-2023 13:36:26 (UTC)
  • 09-06-2023 15:36:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4720, 12.4570 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.

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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
Apecchio PU 10 1882 3993
Cantiano PU 14 2245 6238
Piobbico PU 14 2029 8267
Montone PG 16 1680 9947
Gubbio PG 17 32216 42163
Cagli PU 18 8731 50894
Città di Castello PG 18 39913 90807
Scheggia e Pascelupo PG 19 1393 92200

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
61 Km NW of Foligno (57155 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
61 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
92 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 0.7 2023-06-09
13:36:26		 43.4725 12.4567 9 2023-06-09
13:44:06		 Sala Sismica INGV-Roma 118242341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-09 13:36:26 ± 0.13
Latitude 43.4725 ± 0.0054
Longitude 12.4567 ± 0.0099
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118242341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 803
Semi-minor axis of confidence ellipse (meter) 354
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26980
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 118242341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-09 13:44:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2023-06-09T13:36:32.76 0.6 undecidable manual P 54 29.9478 50 -0.23 46
IV.SSFR.HHZ. 2023-06-09T13:36:32.38 1.0 negative manual P 99 26.5512 110 -0.01 24
IV.FRON.EHZ. 2023-06-09T13:36:31.47 3.0 undecidable manual P -0.04 0
IV.PIEI.HHZ. 2023-06-09T13:36:31.42 0.6 undecidable manual S 42 9.3795 135 0.05 49
IV.ATVO.HHZ. 2023-06-09T13:36:31.81 0.6 undecidable manual S 202 10.7781 131 0.09 49
IV.APEC.HNE. 2023-06-09T13:36:31.32 0.6 undecidable manual S 343 9.9789 133 -0.19 48
IV.ATPI.EHZ. 2023-06-09T13:36:30.17 0.6 undecidable manual S 241 4.995 152 -0.27 47
IV.NARO.HHZ. 2023-06-09T13:36:30.65 0.6 undecidable manual P 33 18.2706 117 -0.22 47
IV.PIEI.HHZ. 2023-06-09T13:36:29.40 0.6 undecidable manual P 42 9.3795 135 -0.02 50
IV.ATVO.HHZ. 2023-06-09T13:36:29.73 0.1 positive manual P 202 10.7781 131 0.11 97
IV.APEC.HNE. 2023-06-09T13:36:29.97 0.1 undecidable manual P 343 9.9789 133 0.47 90
IV.TSM6.DH2.11 2023-06-09T13:36:29.33 0.1 undecidable manual P 270 9.9789 133 -0.17 96
IV.ATPC.HNZ. 2023-06-09T13:36:29.93 0.6 undecidable manual S 2 0.8991 174 -0.1 49
IV.ATPC.HNZ. 2023-06-09T13:36:28.69 0.1 undecidable manual P 2 0.8991 174 0.05 100
IV.ATPI.EHZ. 2023-06-09T13:36:28.87 0.3 undecidable manual P 241 4.995 152 -0.01 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.8 0.00009784999999999999 0.38 AML other m 2023-06-09T13:36:30.45
IV.ATPI.EHE. ML:0.8 0.00010164999999999999 0.36 AML other m 2023-06-09T13:36:30.27
IV.ATVO.HHN. ML:0.9 0.00008955 1.76 AML other m 2023-06-09T13:36:31.03
IV.ATVO.HHE. ML:0.8 0.0000839 1.86 AML other m 2023-06-09T13:36:31.01
IV.PIEI.HHE. ML:0.6 0.000050950000000000005 0.1 AML other m 2023-06-09T13:36:31.95
IV.PIEI.HHN. ML:0.4 0.0000348 0.4 AML other m 2023-06-09T13:36:31.77
IV.NARO.HHE. ML:0.5 0.000023449999999999997 0.5 AML other m 2023-06-09T13:36:34.01
IV.NARO.HHN. ML:0.3 0.00001525 1.02 AML other m 2023-06-09T13:36:34.29
IV.SSFR.HHN. ML:0.7 0.000028250000000000002 0.16 AML other m 2023-06-09T13:36:37.50
IV.SSFR.HHE. ML:0.7 0.0000304 0.18 AML other m 2023-06-09T13:36:37.68
IV.FRON.EHE. ML:0.8 0.00003895 0.08 AML other m 2023-06-09T13:36:43.70
IV.FRON.EHN. ML:1.0 0.00006815 1.2 AML other m 2023-06-09T13:36:43.71
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