Earthquake (quarry blast) with magnitude of ML 0.1 on date 29-07-2022 and time 06:23:02 (UTC) in region 2 km SW Bagnasco (CN)

A magnitude ML 0.1 (quarry blast) earthquake occured in region: 2 km SW Bagnasco (CN), on

  • 29-07-2022 06:23:02 (UTC)
  • 29-07-2022 08:23:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.2880, 8.0300 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
Bagnasco CN 2 1035 1035
Massimino SV 4 113 1148
Battifollo CN 4 219 1367
Lisio CN 5 201 1568
Priola CN 5 701 2269
Viola CN 5 391 2660
Scagnello CN 6 194 2854
Nucetto CN 6 430 3284
Perlo CN 7 116 3400
Monasterolo Casotto CN 9 89 3489
Calizzano SV 9 1475 4964
Pamparato CN 9 302 5266
Mombasiglio CN 10 609 5875
Garessio CN 10 3244 9119
Castelnuovo di Ceva CN 11 110 9229
Murialdo SV 11 841 10070
Ceva CN 11 5782 15852
Priero CN 11 529 16381
Roburent CN 11 495 16876
Torre Mondovì CN 13 498 17374
Sale delle Langhe CN 13 486 17860
Sale San Giovanni CN 13 183 18043
Bardineto SV 13 756 18799
Montezemolo CN 14 259 19058
Montaldo di Mondovì CN 14 557 19615
Osiglia SV 14 444 20059
Lesegno CN 14 794 20853
San Michele Mondovì CN 14 2003 22856
Roascio CN 15 97 22953
Roccavignale SV 15 752 23705
Castellino Tanaro CN 16 312 24017
Bormida SV 16 387 24404
Torresina CN 16 52 24456
Vicoforte CN 16 3136 27592
Paroldo CN 16 211 27803
Millesimo SV 17 3383 31186
Niella Tanaro CN 17 1046 32232
Briaglia CN 17 318 32550
Monastero di Vasco CN 18 1297 33847
Camerana CN 18 631 34478
Igliano CN 18 74 34552
Frabosa Soprana CN 18 759 35311
Erli SV 18 245 35556
Saliceto CN 18 1323 36879
Ormea CN 18 1617 38496
Cengio SV 18 3563 42059
Cigliè CN 18 190 42249
Frabosa Sottana CN 19 1497 43746
Rocca Cigliè CN 19 142 43888
Castelvecchio di Rocca Barbena SV 19 145 44033
Plodio SV 19 650 44683
Cosseria SV 19 1105 45788
Marsaglia CN 19 245 46033
Nasino SV 19 207 46240
Castelbianco SV 20 330 46570
Caprauna CN 20 104 46674
Alto CN 20 128 46802

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Savona (61345 inhabitants)
40 Km E of Cuneo (56081 inhabitants)
55 Km NE of Sanremo (54807 inhabitants)
70 Km S of Asti (76202 inhabitants)
73 Km W of Genova (586655 inhabitants)
84 Km SW of Alessandria (93943 inhabitants)
84 Km SE of Moncalieri (57294 inhabitants)
92 Km SE of Torino (890529 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 0.1 2022-07-29
06:23:02
44.2878 8.0303 1 2023-01-31
19:03:52
Bollettino Sismico Italiano INGV 110966851
Reviewed
Rev100
ML 0.1 2022-07-29
06:23:01
44.2968 8.0372 5 2022-07-29
06:28:21
Sala Sismica INGV-Roma 107824401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-29 06:23:02 ± 0.22
Latitude 44.2878 ± 0.0162
Longitude 8.0303 ± 0.0138
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 110966851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1840
Semi-minor axis of confidence ellipse (meter) 1010
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 1840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
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) 0.14389
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 110966851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-19 09:29:07

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 107824401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-29 06:28:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ENR.HHZ. 2022-07-29T06:23:11.62 0.3 undecidable manual P 263 49.0176 91 -0.34 90
GU.MGRO.HHZ. 2022-07-29T06:23:08.62 0.3 undecidable manual P 213 32.4453 91 -0.01 99
IV.QLNO.HHZ. 2022-07-29T06:23:07.24 0.3 undecidable manual P 81 25.3524 91 0.03 100
GU.RORO.HHZ. 2022-07-29T06:23:06.01 0.3 undecidable manual P 172 19.6692 91 -0.06 100
GU.GBOS.HHZ. 2022-07-29T06:23:05.69 0.3 undecidable manual P 251 15.9729 92 0.36 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHE. ML:0.0 0.000010204999999999998 0.82 AML other m 2022-07-29T06:23:08.36
GU.GBOS.HHN. ML:0.0 0.000010405 1.32 AML other m 2022-07-29T06:23:09.93
GU.MGRO.HHN. ML:0.3 0.0000111156265 0.7808 AML other m 2022-07-29T06:23:20.59
GU.MGRO.HHE. ML:0.0 0.0000064195585 1.28 AML other m 2022-07-29T06:23:24.92
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