Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.8 on date 18-03-2022 and time 09:15:34 (Italy) in region 5 km NW Gubbio (PG)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 5 km NW Gubbio (PG), on

  • 18-03-2022 08:15:34 (UTC)
  • 18-03-2022 09:15:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3910, 12.5370 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.

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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 5 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 11 1393 35720
Cantiano PU 12 2245 37965
Costacciaro PG 15 1216 39181
Montone PG 17 1680 40861
Sigillo PG 18 2404 43265
Umbertide PG 19 16681 59946
Cagli PU 20 8731 68677

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
50 Km N of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
75 Km S of Rimini (147750 inhabitants)
83 Km W of Ancona (100861 inhabitants)
86 Km S of Cesena (96758 inhabitants)
93 Km N of Terni (111501 inhabitants)
98 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 2022-03-18
08:15:34		 43.3908 12.5373 1 2022-07-08
12:34:00		 Bollettino Sismico Italiano INGV 105305251
Reviewed
Rev100 		ML 1.1 2022-03-18
08:15:34		 43.3787 12.5495 6 2022-03-18
08:32:05		 Sala Sismica INGV-Roma 102099511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-18 08:15:34 ± 0.05
Latitude 43.3908 ± 0.0036
Longitude 12.5373 ± 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 105305251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 280
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18616
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 102099511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-18 08:32:05

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 105305251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-29 13:55:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2022-03-18T08:17:49.90 3.0 undecidable manual Sn 4.62 0
IV.HAGA.HHZ. 2022-03-18T08:17:49.68 3.0 undecidable manual Sn 1.5 0
IV.MONC.HHZ. 2022-03-18T08:17:37.46 3.0 undecidable manual Sg 25.059999 0
IV.SPS2.HHZ. 2022-03-18T08:17:36.42 3.0 undecidable manual Sg 20.83 0
IV.MPNC.HHZ. 2022-03-18T08:17:29.76 3.0 undecidable manual Sn -0.19 0
IV.BULG.HHZ. 2022-03-18T08:17:01.84 3.0 undecidable manual Sg 12.56 0
OX.MARN.HHZ. 2022-03-18T08:17:00.11 3.0 undecidable manual Sg 13.04 0
AC.VLO.HHZ. 2022-03-18T08:16:57.00 3.0 undecidable manual Pg 15.06 0
IV.PZIN.HHZ. 2022-03-18T08:16:41.66 3.0 undecidable manual Pn -4.25 0
IV.MPNC.HHZ. 2022-03-18T08:16:30.24 3.0 undecidable manual Pn -3.09 0
IV.MTMR.HNZ. 2022-03-18T08:16:28.33 3.0 undecidable manual Sn -0.83 0
IV.PII.HHZ. 2022-03-18T08:16:16.64 3.0 undecidable manual Sn 0.44 0
IV.SIRI.HNZ. 2022-03-18T08:16:13.81 3.0 undecidable manual Pn 1.07 0
IV.MOCL.EHZ. 2022-03-18T08:16:11.36 3.0 undecidable manual Sn -0.84 0
IV.PZUN.HHZ. 2022-03-18T08:16:09.20 3.0 negative manual Pn 1.35 0
IX.STN3.EHZ.02 2022-03-18T08:16:06.16 3.0 undecidable manual Pn -1.58 0
IV.CMPO.HNZ. 2022-03-18T08:15:54.87 3.0 undecidable manual Pn 1.23 0
IV.SACR.HHZ. 2022-03-18T08:15:50.51 3.0 undecidable manual Pn -1.94 0
IV.BRSN.HNZ. 2022-03-18T08:15:47.62 3.0 undecidable manual Pn -1.34 0
IV.ARVD.HHZ. 2022-03-18T08:15:46.46 3.0 undecidable manual S -4.4 0
IV.PIEI.HHZ. 2022-03-18T08:15:38.01 0.3 undecidable manual P 359 16.0728 92 0.1 97
IV.FRON.EHZ. 2022-03-18T08:15:38.69 0.3 undecidable manual P 47 20.6682 91 -0.14 95
IV.SSFR.HNZ. 2022-03-18T08:15:38.38 0.3 undecidable manual P 76 20.3685 91 -0.39 91
IV.ATLO.HNZ. 2022-03-18T08:15:37.45 0.3 undecidable manual P 231 13.4754 92 0.07 98
IV.ATPC.HNE. 2022-03-18T08:15:37.03 0.3 undecidable manual P 327 11.877 92 -0.04 99
IV.TSM3.DHN.01 2022-03-18T08:15:37.67 0.3 undecidable manual P 267 14.6742 92 0.04 98
IV.ATPI.EHZ. 2022-03-18T08:15:37.15 0.3 undecidable manual P 301 12.7761 92 -0.09 98
IV.ATSC.EHZ. 2022-03-18T08:15:37.51 0.3 undecidable manual P 73 12.5763 92 0.31 93
IV.RM33.EHZ. 2022-03-18T08:15:36.77 3.0 undecidable manual S -0.06 0
IV.TB01.DHE.01 2022-03-18T08:15:36.46 0.3 undecidable manual P 263 8.2806 93 0.12 98
IV.ATVO.HHZ. 2022-03-18T08:15:36.76 0.3 undecidable manual P 265 10.5783 93 -0.05 99
IV.ATBU.HNE. 2022-03-18T08:15:36.77 0.3 undecidable manual P 5 9.4794 93 0.19 96
IV.TB03.DH1.01 2022-03-18T08:15:36.70 0.3 undecidable manual P 276 10.2786 93 -0.05 99
IV.TB02.DHE. 2022-03-18T08:15:36.80 0.3 undecidable manual P 258 10.5783 93 0 100
IV.ATFO.HHZ. 2022-03-18T08:15:35.51 0.3 undecidable manual P 134 3.8961 97 0.05 100
IV.TSM2.DHN.01 2022-03-18T08:15:35.34 0.3 undecidable manual P 279 3.8961 97 -0.13 98
IV.NRCA.HHZ. 2022-03-18T08:15:28.75 3.0 undecidable manual P -0.26 0
IV.ARRO.EHZ. 2022-03-18T08:15:27.60 3.0 undecidable manual S 0
IV.ARRO.EHZ. 2022-03-18T08:15:24.61 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.8 0.00008075 1.5 AML other m 2022-03-18T08:15:40.76
IV.ATVO.HHN. ML:0.9 0.0001375 1.5 AML other m 2022-03-18T08:15:40.81
IV.ATPI.EHN. ML:0.8 0.0000855 1.16 AML other m 2022-03-18T08:15:42.02
IV.ATVO.HHE. ML:0.9 0.000135 0.58 AML other m 2022-03-18T08:15:42.59
IV.PIEI.HHE. ML:0.7 0.00005385 0.38 AML other m 2022-03-18T08:15:43.69
IV.PIEI.HHN. ML:0.5 0.00003695 0.42 AML other m 2022-03-18T08:15:46.47
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