Earthquake (quarry blast) with magnitude of Md 1.2 on date 29-07-2019 and time 11:59:41 (Italy) in region 2 km SW Bagnasco (CN)

A magnitude Md 1.2 (quarry blast) earthquake occured in region: 2 km SW Bagnasco (CN), on

  • 29-07-2019 09:59:41 (UTC)
  • 29-07-2019 11:59:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.29, 8.02 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
Battifollo CN 3 219 1254
Lisio CN 4 201 1455
Massimino SV 4 113 1568
Viola CN 4 391 1959
Priola CN 5 701 2660
Scagnello CN 5 194 2854
Nucetto CN 6 430 3284
Perlo CN 7 116 3400
Monasterolo Casotto CN 8 89 3489
Pamparato CN 9 302 3791
Mombasiglio CN 9 609 4400
Calizzano SV 10 1475 5875
Garessio CN 10 3244 9119
Roburent CN 11 495 9614
Ceva CN 11 5782 15396
Castelnuovo di Ceva CN 11 110 15506
Priero CN 11 529 16035
Murialdo SV 12 841 16876
Torre Mondovì CN 12 498 17374
Sale delle Langhe CN 13 486 17860
Montaldo di Mondovì CN 13 557 18417
Sale San Giovanni CN 13 183 18600
Lesegno CN 13 794 19394
San Michele Mondovì CN 13 2003 21397
Montezemolo CN 14 259 21656
Bardineto SV 14 756 22412
Roascio CN 14 97 22509
Osiglia SV 14 444 22953
Castellino Tanaro CN 16 312 23265
Vicoforte CN 16 3136 26401
Roccavignale SV 16 752 27153
Torresina CN 16 52 27205
Niella Tanaro CN 16 1046 28251
Paroldo CN 16 211 28462
Briaglia CN 16 318 28780
Monastero di Vasco CN 17 1297 30077
Millesimo SV 17 3383 33460
Bormida SV 17 387 33847
Igliano CN 17 74 33921
Frabosa Soprana CN 17 759 34680
Camerana CN 18 631 35311
Cigliè CN 18 190 35501
Frabosa Sottana CN 18 1497 36998
Rocca Cigliè CN 18 142 37140
Saliceto CN 18 1323 38463
Ormea CN 18 1617 40080
Marsaglia CN 18 245 40325
Cengio SV 18 3563 43888
Erli SV 18 245 44133
Cosseria SV 19 1105 45238
Plodio SV 19 650 45888
Castelvecchio di Rocca Barbena SV 19 145 46033
Mondovì CN 19 22484 68517
Nasino SV 20 207 68724
Bastia Mondovì CN 20 669 69393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Savona (61345 inhabitants)
39 Km E of Cuneo (56081 inhabitants)
56 Km NE of Sanremo (54807 inhabitants)
69 Km S of Asti (76202 inhabitants)
74 Km W of Genova (586655 inhabitants)
83 Km SE of Moncalieri (57294 inhabitants)
84 Km SW of Alessandria (93943 inhabitants)
91 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
Md 1.2 2019-07-29
09:59:41
44.29 8.02 1 2019-11-13
14:31:02
Bollettino Sismico Italiano INGV 72357251
Reviewed
Rev100
Md 1.2 2019-07-29
09:59:41
44.28 8.03 4 2019-07-29
10:06:30
Sala Sismica INGV-Roma 70991521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-29 09:59:41 ± 0.21
Latitude 44.29 ± 0.02
Longitude 8.02 ± 0.01
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 72357251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1860
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
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) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.14029
Epicentral distance of station farthest from the epicenter (degree) 0.43617
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:1.2

Field Value
Value 1.2
Uncertainty 0.5
Num. used stations 4
Type of magnitude Md
Reference to an origin 72357251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-13 08:24:07

Md:1.2

Field Value
Value 1.2
Uncertainty 0.6
Num. used stations 4
Type of magnitude Md
Reference to an origin 70991521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-29 10:06:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.ENR.HHZ. 2019-07-29T09:59:50.70 0.3 undecidable manual P 262 0.4362 91 -0.33 68
IV.QLNO.HHZ. 2019-07-29T09:59:46.54 0.3 undecidable manual P 82 0.2338 91 0.01 75
GU.RORO.HHZ. 2019-07-29T09:59:45.31 0.1 undecidable manual P 170 0.1817 91 -0.07 100
GU.CANO.HHZ. 2019-07-29T09:59:45.26 0.3 undecidable manual P 119 0.1754 91 0.03 76
GU.GBOS.HHZ. 2019-07-29T09:59:44.80 0.3 undecidable manual P 249 0.1403 92 0.36 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GBOS.HHZ. Md:1.2 9 END duration s
GU.CANO.HHZ. Md:1.1 8 END duration s
GU.RORO.HHZ. Md:1.2 9 END duration s
IV.QLNO.HHZ. Md:1.2 9 END duration s
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download