Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.0 on date 03-11-2022 and time 09:02:35 (UTC) in region 7 km SW Sefro (MC)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 7 km SW Sefro (MC), on

  • 03-11-2022 09:02:35 (UTC)
  • 03-11-2022 10:02:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1160, 12.8760 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
Sefro MC 7 422 422
Nocera Umbra PG 7 5839 6261
Serravalle di Chienti MC 8 1070 7331
Fiuminata MC 9 1402 8733
Pioraco MC 11 1134 9867
Valtopina PG 12 1398 11265
Muccia MC 14 915 12180
Gualdo Tadino PG 15 15208 27388
Camerino MC 16 6974 34362
Esanatoglia MC 16 2034 36396
Pieve Torina MC 16 1458 37854
Monte Cavallo MC 17 145 37999
Pievebovigliana MC 18 866 38865
Castelraimondo MC 18 4587 43452
Matelica MC 19 9981 53433
Fiordimonte MC 20 202 53635

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
64 Km N of Terni (111501 inhabitants)
76 Km SW of Ancona (100861 inhabitants)
82 Km S of Fano (60888 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
95 Km NW of L'Aquila (69753 inhabitants)
100 Km NE of Viterbo (67173 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 1.0 2022-11-03
09:02:35		 43.1165 12.8762 1 2024-03-01
15:28:24		 Bollettino Sismico Italiano INGV 117749881
Reviewed
Rev100 		ML 1.1 2022-11-03
09:02:35		 43.1058 12.8867 8 2022-11-03
09:20:13		 Sala Sismica INGV-Roma 111438451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-03 09:02:35 ± 0.11
Latitude 43.1165 ± 0.0081
Longitude 12.8762 ± 0.0086
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 117749881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33185
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 111438451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-03 09:20:13

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 117749881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-26 15:06:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMOL.HNZ. 2022-11-03T09:03:38.93 3.0 undecidable manual Sg 18.92 0
GU.POPM.HHZ. 2022-11-03T09:03:19.53 3.0 undecidable manual Sn -5.76 0
IV.NRCA.HHZ. 2022-11-03T09:02:42.72 0.3 undecidable manual P 148 36.8298 91 -0.49 65
IV.MC2.EHZ. 2022-11-03T09:02:42.74 0.6 undecidable manual P 132 34.0437 91 0.09 48
IV.MURB.HHZ. 2022-11-03T09:02:42.61 0.3 undecidable manual P 300 32.745 91 0.22 70
IV.EL6.EHZ. 2022-11-03T09:02:41.72 0.1 undecidable manual P 38 29.8479 91 -0.08 96
IV.CSP1.EHZ. 2022-11-03T09:02:41.28 0.3 undecidable manual P 96 26.751 91 0.09 72
IV.ASSB.HHZ. 2022-11-03T09:02:40.05 0.1 undecidable manual P 245 19.4694 91 0.33 93
IV.ATCC.EHZ. 2022-11-03T09:02:39.38 0.3 undecidable manual P 292 20.5683 91 -0.57 65
IV.FDMO.HHZ. 2022-11-03T09:02:39.56 0.1 undecidable manual P 117 19.2696 91 -0.13 97
IV.CESI.HHZ. 2022-11-03T09:02:38.38 0.1 undecidable manual P 169 12.5763 92 0.03 100
IV.MML1.EHZ. 2022-11-03T09:02:37.68 0.1 undecidable manual P 92 7.7811 94 0.3 95
IV.BDI.HHZ. 2022-11-03T09:02:37.49 3.0 positive manual Pn 3.38 0
RD.PGF.BHZ. 2022-11-03T09:02:36.86 3.0 undecidable manual Pn -0.14 0
IV.CAMP.HHZ. 2022-11-03T09:02:31.90 3.0 undecidable manual Sg 5.4 0
IV.GRI.EHZ. 2022-11-03T09:02:27.47 3.0 undecidable manual Sn -5.37 0
IV.TERO.HHZ. 2022-11-03T09:02:25.56 3.0 undecidable manual Sn -0.89 0
IV.RESU.HHZ. 2022-11-03T09:02:19.93 3.0 undecidable manual Pg 3.74 0
MN.VAE.HHZ. 2022-11-03T09:02:16.04 3.0 negative manual Pn -2.01 0
IV.GRIS.EHZ. 2022-11-03T09:02:08.92 3.0 undecidable manual S 0.84 0
IV.IACL.HHZ. 2022-11-03T09:02:05.65 3.0 undecidable manual Pg 2 0
IV.LADO.EHZ. 2022-11-03T09:02:04.41 3.0 positive manual Pg 2.52 0
IV.TERO.HHZ. 2022-11-03T09:02:00.27 3.0 negative manual Pn 0.53 0
IV.VVLD.HHZ. 2022-11-03T09:01:48.66 3.0 positive manual P -2.6 0
IV.VAGA.HNZ. 2022-11-03T09:01:46.06 3.0 undecidable manual S -7.42 0
IV.SIRI.HNZ. 2022-11-03T09:01:42.02 3.0 undecidable manual P -2.51 0
IX.PGN3.HHZ.02 2022-11-03T09:01:40.97 3.0 negative manual P 1.16 0
IX.STN3.EHZ.02 2022-11-03T09:01:37.23 3.0 negative manual P -1.04 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.9 0.00011499999999999999 1.76 AML other m 2022-11-03T09:02:40.09
IV.FDMO.HHE. ML:0.7 0.0000458 0.14 AML other m 2022-11-03T09:02:43.59
IV.CESI.HHE. ML:0.9 0.00010314999999999999 0.56 AML other m 2022-11-03T09:02:44.16
IV.ASSB.HHN. ML:1.2 0.000134 0.22 AML other m 2022-11-03T09:02:44.60
IV.FDMO.HHN. ML:0.7 0.0000422 0.14 AML other m 2022-11-03T09:02:45.11
IV.ASSB.HHE. ML:0.8 0.000058899999999999995 1.1 AML other m 2022-11-03T09:02:45.78
IV.NRCA.HHE. ML:0.9 0.00003535 0.14 AML other m 2022-11-03T09:02:49.48
IV.NRCA.HHN. ML:1.1 0.000052900000000000005 0.14 AML other m 2022-11-03T09:02:50.07
IV.MURB.HHN. ML:1.3 0.0000917 0.58 AML other m 2022-11-03T09:02:50.23
IV.MURB.HHE. ML:1.5 0.0001375 0.26 AML other m 2022-11-03T09:02:50.62
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