Earthquake (quarry blast) with magnitude of ML 1.5 on date 25-11-2022 and time 14:32:19 (UTC) in region 1 km SE Briaglia (CN)

A magnitude ML 1.5 (quarry blast) earthquake occured in region: 1 km SE Briaglia (CN), on

  • 25-11-2022 14:32:19 (UTC)
  • 25-11-2022 15:32:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.3840, 7.8840 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
Briaglia CN 2 318 318
Vicoforte CN 2 3136 3454
San Michele Mondovì CN 2 2003 5457
Torre Mondovì CN 4 498 5955
Niella Tanaro CN 5 1046 7001
Mondovì CN 5 22484 29485
Bastia Mondovì CN 7 669 30154
Cigliè CN 7 190 30344
Monastero di Vasco CN 7 1297 31641
Lesegno CN 7 794 32435
Mombasiglio CN 7 609 33044
Montaldo di Mondovì CN 7 557 33601
Monasterolo Casotto CN 7 89 33690
Rocca Cigliè CN 9 142 33832
Roburent CN 9 495 34327
Castellino Tanaro CN 9 312 34639
Scagnello CN 10 194 34833
Villanova Mondovì CN 11 5792 40625
Carrù CN 11 4486 45111
Magliano Alpi CN 11 2253 47364
Marsaglia CN 11 245 47609
Frabosa Sottana CN 11 1497 49106
Clavesana CN 11 825 49931
Lisio CN 11 201 50132
Roascio CN 12 97 50229
Pamparato CN 12 302 50531
Ceva CN 12 5782 56313
Rocca de' Baldi CN 12 1662 57975
Frabosa Soprana CN 12 759 58734
Viola CN 12 391 59125
Igliano CN 12 74 59199
Battifollo CN 12 219 59418
Roccaforte Mondovì CN 13 2085 61503
Torresina CN 13 52 61555
Pianfei CN 14 2202 63757
Morozzo CN 14 2086 65843
Belvedere Langhe CN 14 366 66209
Farigliano CN 15 1755 67964
Nucetto CN 15 430 68394
Piozzo CN 15 995 69389
Murazzano CN 15 834 70223
Bagnasco CN 16 1035 71258
Sale San Giovanni CN 16 183 71441
Margarita CN 16 1441 72882
Paroldo CN 16 211 73093
Sale delle Langhe CN 16 486 73579
Priero CN 17 529 74108
Perlo CN 17 116 74224
Trinità CN 17 2263 76487
Bonvicino CN 17 92 76579
Dogliani CN 17 4781 81360
Massimino SV 18 113 81473
Chiusa di Pesio CN 18 3676 85149
San Benedetto Belbo CN 18 179 85328
Bene Vagienna CN 19 3671 88999
Mombarcaro CN 19 268 89267
Priola CN 19 701 89968
Beinette CN 19 3423 93391
Sant'Albano Stura CN 19 2422 95813
Montanera CN 19 760 96573
Lequio Tanaro CN 20 782 97355
Somano CN 20 356 97711
Castelnuovo di Ceva CN 20 110 97821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Cuneo (56081 inhabitants)
48 Km W of Savona (61345 inhabitants)
63 Km SW of Asti (76202 inhabitants)
63 Km N of Sanremo (54807 inhabitants)
71 Km S of Moncalieri (57294 inhabitants)
78 Km S of Torino (890529 inhabitants)
83 Km SW of Alessandria (93943 inhabitants)
83 Km W of Genova (586655 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 1.5 2022-11-25
14:32:19
44.3838 7.8843 1 2024-03-01
15:28:26
Bollettino Sismico Italiano INGV 118245391
Reviewed
Rev100
ML 1.4 2022-11-25
14:32:20
44.3257 7.8942 10 2022-11-25
14:38:55
Sala Sismica INGV-Roma 112203631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-25 14:32:19 ± 0.09
Latitude 44.3838 ± 0.0063
Longitude 7.8843 ± 0.0063
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 118245391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 530
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63222
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.6
Num. used stations 4
Type of magnitude ML
Reference to an origin 118245391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-09 17:12:58

ML:1.4

Field Value
Value 1.4
Uncertainty 0.6
Num. used stations 4
Type of magnitude ML
Reference to an origin 112203631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-25 14:38:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.HNZ. 2022-11-25T14:32:55.56 3.0 undecidable manual Pn 1.64 0
GU.BHB.HHZ. 2022-11-25T14:32:33.41 0.3 undecidable manual P 316 70.1742 50 0.15 69
GU.PZZ.HHZ. 2022-11-25T14:32:31.87 0.3 undecidable manual P 283 62.3931 50 -0.19 70
GU.PCP.HHZ. 2022-11-25T14:32:30.57 0.3 undecidable manual P 71 55.2003 91 -0.16 71
GU.ENR.HHZ. 2022-11-25T14:32:27.87 0.3 undecidable manual P 245 40.8258 91 0.03 75
IV.QLNO.HHZ. 2022-11-25T14:32:27.35 0.3 undecidable manual P 100 37.2294 91 0.22 72
GU.MGRO.HHZ. 2022-11-25T14:32:27.10 0.6 undecidable manual P 189 38.3283 91 -0.25 48
GU.RORO.HHZ. 2022-11-25T14:32:26.18 0.1 undecidable manual P 154 33.4443 91 -0.19 98
GU.CANO.HHE. 2022-11-25T14:32:26.58 0.3 undecidable manual P 125 34.1436 91 0.06 75
GU.GBOS.HHZ. 2022-11-25T14:32:23.15 0.1 undecidable manual P 193 16.1727 92 0.23 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHE. ML:1.0 0.00010850000000000001 1.3 AML other m 2022-11-25T14:32:25.97
GU.GBOS.HHN. ML:1.0 0.00010095 0.22 AML other m 2022-11-25T14:32:26.20
GU.BURY.HNN. ML:2.0 0.00016525 0.42 AML other m 2022-11-25T14:32:47.33
GU.BURY.HNE. ML:2.0 0.00014600000000000003 0.42 AML other m 2022-11-25T14:32:57.77
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