Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.0 on date 07-06-2023 and time 07:42:25 (UTC) in region 3 km S Gubbio (PG)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 3 km S Gubbio (PG), on

  • 07-06-2023 07:42:25 (UTC)
  • 07-06-2023 09:42:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3300, 12.5830 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Event type: quarry blast.

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
Gubbio PG 3 32216 32216
Scheggia e Pascelupo PG 11 1393 33609
Costacciaro PG 11 1216 34825
Sigillo PG 13 2404 37229
Fossato di Vico PG 15 2840 40069
Cantiano PU 17 2245 42314
Pietralunga PG 17 2111 44425
Valfabbrica PG 19 3389 47814
Gualdo Tadino PG 20 15208 63022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Perugia (166134 inhabitants)
43 Km N of Foligno (57155 inhabitants)
59 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
81 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
86 Km N of Terni (111501 inhabitants)
94 Km SE of Cesena (96758 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 1.0 2023-06-07
07:42:25		 43.3302 12.5827 11 2023-06-07
07:58:42		 Sala Sismica INGV-Roma 118173881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-07 07:42:25 ± 0.23
Latitude 43.3302 ± 0.0144
Longitude 12.5827 ± 0.0198
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 118173881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1710
Semi-minor axis of confidence ellipse (meter) 1490
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 309
Circular confidence region, given by single value of horizontal uncertainty (meter) 1710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 224
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.20864
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:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 118173881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-07 07:58:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-06-07T07:42:34.70 0.3 undecidable manual S 350 23.1546 50 0.2 72
IV.ATBU.EHE. 2023-06-07T07:42:33.08 0.3 undecidable manual S 350 16.3725 50 0.38 70
IV.ATPI.EHZ. 2023-06-07T07:42:30.19 0.1 undecidable manual P 313 19.7691 50 -0.13 98
IV.MURB.HHZ. 2023-06-07T07:42:30.25 3.0 undecidable manual P 0
IV.PIEI.HHZ. 2023-06-07T07:42:30.66 0.3 positive manual P 350 23.1546 50 -0.18 72
IV.ATLO.EHZ. 2023-06-07T07:42:30.24 0.3 undecidable manual P 263 14.2746 128 0.78 61
IV.ATSC.EHZ. 2023-06-07T07:42:29.65 0.1 undecidable manual P 39 13.3755 129 0.33 95
IV.TSM1.DHZ.01 2023-06-07T07:42:29.74 0.3 undecidable manual S 36 2.0979 169 0 78
IV.ATVO.HHZ. 2023-06-07T07:42:29.76 0.1 undecidable manual P 292 15.2736 126 0.13 98
IV.ATBU.EHE. 2023-06-07T07:42:29.57 0.1 undecidable manual P 350 16.3725 50 -0.23 96
IV.TSM2.DHN.01 2023-06-07T07:42:28.37 0.1 undecidable manual P 315 10.4784 136 -0.53 91
IV.TSM1.DHZ.01 2023-06-07T07:42:28.26 0.1 undecidable manual P 36 2.0979 169 0.16 100
IV.ATFO.HHZ. 2023-06-07T07:42:27.62 0.1 undecidable manual P 348 4.1958 159 -0.59 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.1 0.00014850000000000003 0.24 AML other m 2023-06-07T07:42:31.87
IV.MURB.HHN. ML:1.2 0.000194 0.4 AML other m 2023-06-07T07:42:33.65
IV.ATVO.HHN. ML:0.9 0.0000745 1.14 AML other m 2023-06-07T07:42:33.35
IV.PIEI.HHE. ML:1.3 0.000124 1.66 AML other m 2023-06-07T07:42:34.12
IV.SSFR.HHE. ML:1.0 0.0000672 0.76 AML other m 2023-06-07T07:42:35.68
IV.ATVO.HHE. ML:1.0 0.00009325 1.58 AML other m 2023-06-07T07:42:35.86
IV.FRON.EHN. ML:0.9 0.00004265 0.64 AML other m 2023-06-07T07:42:37.22
IV.SSFR.HHN. ML:1.0 0.00006685 0.24 AML other m 2023-06-07T07:42:37.62
IV.ATPI.EHN. ML:1.0 0.0000811 0.88 AML other m 2023-06-07T07:42:37.54
IV.PIEI.HHN. ML:1.0 0.00006825 0.98 AML other m 2023-06-07T07:42:38.56
IV.ATCC.EHE. ML:0.8 0.0000502 0.26 AML other m 2023-06-07T07:42:38.47
IV.ATPI.EHE. ML:1.1 0.00009345000000000001 0.72 AML other m 2023-06-07T07:42:38.98
IV.ATCC.EHN. ML:0.8 0.00004795000000000001 0.36 AML other m 2023-06-07T07:42:39.50
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