Earthquake (quarry blast) with magnitude of ML 0.8 on date 15-03-2023 and time 08:44:01 (UTC) in region 4 km NW Gubbio (PG)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 4 km NW Gubbio (PG), on

  • 15-03-2023 08:44:01 (UTC)
  • 15-03-2023 09:44:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3870, 12.5500 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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 4 32216 32216
Scheggia e Pascelupo PG 10 1393 33609
Pietralunga PG 11 2111 35720
Cantiano PU 12 2245 37965
Costacciaro PG 14 1216 39181
Sigillo PG 17 2404 41585
Montone PG 18 1680 43265
Cagli PU 20 8731 51996

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
49 Km N of Foligno (57155 inhabitants)
55 Km E of Arezzo (99543 inhabitants)
63 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
87 Km S of Cesena (96758 inhabitants)
92 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
Bulletin
Rev1000
ML 0.8 2023-03-15
08:44:01
43.3868 12.5497 1 2024-03-01
17:18:01
Bollettino Sismico Italiano INGV 116084701
Reviewed
Rev100
ML 1.3 2023-03-15
08:44:01
43.3877 12.5437 1 2023-03-15
08:54:37
Sala Sismica INGV-Roma 115387911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-15 08:44:01 ± 0.05
Latitude 43.3868 ± 0.0036
Longitude 12.5497 ± 0.0037
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 116084701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 370
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34534
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 115387911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-15 08:54:37

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 116084701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-28 11:09:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.BERNI.HHZ. 2023-03-15T08:45:05.36 3.0 undecidable manual Sn -1.54 0
IV.ORI.HHZ. 2023-03-15T08:45:03.36 3.0 undecidable manual Pn 0.36 0
GU.CIRO.HHZ. 2023-03-15T08:44:42.85 3.0 undecidable manual Pn 1.36 0
OT.OT05.EHZ. 2023-03-15T08:44:40.19 3.0 undecidable manual Pn -1.09 0
ST.RONC.HNZ. 2023-03-15T08:44:24.32 3.0 undecidable manual Pn -0.69 0
IV.MSSA.HHZ. 2023-03-15T08:44:16.64 3.0 negative manual P -0.83 0
IV.PARC.HHE. 2023-03-15T08:44:09.00 0.6 undecidable manual P 319 38.3283 91 0.03 48
IV.ARCI.HHZ. 2023-03-15T08:44:08.76 3.0 undecidable manual S -9.99 0
IV.MPAG.EHZ. 2023-03-15T08:44:07.47 0.1 undecidable manual P 32 31.746 91 -0.17 93
IV.BADI.EHE. 2023-03-15T08:44:06.70 0.1 undecidable manual P 299 28.1496 91 -0.22 93
IV.NARO.HHZ. 2023-03-15T08:44:06.32 0.3 undecidable manual P 6 24.9528 91 0.03 73
IV.FRON.EHZ. 2023-03-15T08:44:05.37 0.1 undecidable manual P 44 20.2686 91 0.02 98
IV.ATVA.EHE. 2023-03-15T08:44:05.85 0.1 undecidable manual P 241 24.4533 91 -0.34 91
IV.SSFR.HHZ. 2023-03-15T08:44:05.05 0.6 undecidable manual P 74 19.5693 91 -0.15 48
IV.PIEI.HHZ. 2023-03-15T08:44:04.58 0.1 undecidable manual P 356 16.5723 92 -0.02 99
IV.ATPI.EHZ. 2023-03-15T08:44:04.07 0.3 undecidable manual P 301 13.875 92 0.01 75
IV.MURB.HHZ. 2023-03-15T08:44:04.16 0.3 undecidable manual P 188 13.875 92 0.09 74
IV.TSM3.DH2. 2023-03-15T08:44:04.65 0.1 undecidable manual P 268 15.6732 92 0.23 95
IV.IMOL.HNZ. 2023-03-15T08:44:04.34 3.0 negative manual P 1.82 0
IV.ATLO.EHE. 2023-03-15T08:44:04.08 0.1 undecidable manual P 235 13.9749 92 -0.01 100
IV.TB01.DHZ. 2023-03-15T08:44:03.07 0.1 undecidable manual P 266 9.1797 93 -0.06 99
IV.ATVO.HHZ. 2023-03-15T08:44:03.58 0.1 undecidable manual P 267 11.5773 92 -0.02 100
IV.ATPC.HHE. 2023-03-15T08:44:03.84 0.1 undecidable manual P 324 12.7761 92 -0.01 100
IV.TB03.DHZ. 2023-03-15T08:44:03.90 0.1 undecidable manual P 278 11.3775 93 0.34 93
IV.TB02.DHZ. 2023-03-15T08:44:03.76 0.1 undecidable manual P 261 11.4774 92 0.18 97
IV.ATSC.EHE. 2023-03-15T08:44:03.92 0.1 undecidable manual P 69 11.7771 92 0.28 95
IV.TSM2.DHN.01 2023-03-15T08:44:02.16 0.1 undecidable manual P 282 4.8951 96 -0.12 99
IV.ATFO.HHZ. 2023-03-15T08:44:01.78 0.1 undecidable manual P 142 2.8971 100 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:0.7 0.0000401288 2.7584 AML other m 2023-03-15T08:44:07.66
IV.ATPI.EHN. ML:0.7 0.000059339665 1.1008 AML other m 2023-03-15T08:44:07.69
IV.NARO.HHN. ML:1.0 0.00006744240500000002 4.0768 AML other m 2023-03-15T08:44:09.15
IV.PIEI.HHN. ML:0.7 0.000057160255000000006 1.824 AML other m 2023-03-15T08:44:08.85
IV.PIEI.HHE. ML:0.9 0.00008813311499999999 1.4592 AML other m 2023-03-15T08:44:09.76
IV.NARO.HHE. ML:0.8 0.00004478157 2.4 AML other m 2023-03-15T08:44:11.22
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