Earthquake (quarry blast) with magnitude of ML 0.5 on date 26-07-2019 and time 09:19:49 (Italy) in region 2 km SW Bagnasco (CN)

A magnitude ML 0.5 (quarry blast) earthquake occured in region: 2 km SW Bagnasco (CN), on

  • 26-07-2019 07:19:49 (UTC)
  • 26-07-2019 09:19:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3, 8.03 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
Massimino SV 4 113 1367
Lisio CN 4 201 1568
Viola CN 5 391 1959
Scagnello CN 5 194 2153
Priola CN 5 701 2854
Nucetto CN 6 430 3284
Perlo CN 6 116 3400
Monasterolo Casotto CN 8 89 3489
Mombasiglio CN 9 609 4098
Pamparato CN 9 302 4400
Calizzano SV 10 1475 5875
Ceva CN 10 5782 11657
Castelnuovo di Ceva CN 11 110 11767
Priero CN 11 529 12296
Garessio CN 11 3244 15540
Roburent CN 11 495 16035
Murialdo SV 11 841 16876
Torre Mondovì CN 12 498 17374
Sale delle Langhe CN 12 486 17860
Sale San Giovanni CN 12 183 18043
Lesegno CN 13 794 18837
Montezemolo CN 13 259 19096
San Michele Mondovì CN 13 2003 21099
Montaldo di Mondovì CN 13 557 21656
Roascio CN 14 97 21753
Bardineto SV 14 756 22509
Osiglia SV 14 444 22953
Roccavignale SV 15 752 23705
Castellino Tanaro CN 15 312 24017
Torresina CN 15 52 24069
Vicoforte CN 16 3136 27205
Paroldo CN 16 211 27416
Niella Tanaro CN 16 1046 28462
Briaglia CN 16 318 28780
Millesimo SV 16 3383 32163
Bormida SV 17 387 32550
Igliano CN 17 74 32624
Camerana CN 17 631 33255
Monastero di Vasco CN 17 1297 34552
Saliceto CN 17 1323 35875
Frabosa Soprana CN 18 759 36634
Cigliè CN 18 190 36824
Rocca Cigliè CN 18 142 36966
Cengio SV 18 3563 40529
Marsaglia CN 18 245 40774
Frabosa Sottana CN 18 1497 42271
Cosseria SV 19 1105 43376
Plodio SV 19 650 44026
Erli SV 19 245 44271
Ormea CN 19 1617 45888
Bastia Mondovì CN 19 669 46557
Mondovì CN 19 22484 69041
Castelvecchio di Rocca Barbena SV 20 145 69186
Mombarcaro CN 20 268 69454
Nasino SV 20 207 69661
Murazzano CN 20 834 70495

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 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)
73 Km W of Genova (586655 inhabitants)
83 Km SE of Moncalieri (57294 inhabitants)
83 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
ML 0.5 2019-07-26
07:19:49
44.3 8.03 1 2019-11-13
14:31:05
Bollettino Sismico Italiano INGV 73160331
Reviewed
Rev100
ML 0.5 2019-07-26
07:19:49
44.28 8.04 6 2019-07-26
07:27:13
Sala Sismica INGV-Roma 70892901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-26 07:19:49 ± 0.21
Latitude 44.30 ± 0.02
Longitude 8.03 ± 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 73160331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1740
Semi-minor axis of confidence ellipse (meter) 870
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 356
Circular confidence region, given by single value of horizontal uncertainty (meter) 1740
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.14479
Epicentral distance of station farthest from the epicenter (degree) 0.43977
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 73160331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-09 15:24:46

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 70892901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-26 07:27:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.ENR.HHZ. 2019-07-26T07:19:59.06 0.3 undecidable manual P 261 0.4398 91 -0.37 88
IV.IMI.HHE. 2019-07-26T07:19:58.32 0.6 undecidable manual P 194 0.3966 91 -0.15 62
IV.QLNO.HHZ. 2019-07-26T07:19:54.77 0.3 undecidable manual P 83 0.2293 91 0.01 99
GU.GBOS.HHZ. 2019-07-26T07:19:53.30 0.3 undecidable manual P 248 0.1448 92 0.44 92
GU.RORO.HHZ. 2019-07-26T07:19:53.75 0.3 undecidable manual P 171 0.1853 91 -0.02 100
GU.CANO.HHZ. 2019-07-26T07:19:53.55 0.3 undecidable manual P 120 0.1745 91 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHE. ML:0 4.14E-5 1.06 AML other m 2019-07-26T07:20:00.30
GU.GBOS.HHE. ML:-0.3 7.1434465E-6 0.1408 AML other m 2019-07-26T07:19:56.25
GU.RORO.HHN. ML:0.4 2.05E-5 0.7 AML other m 2019-07-26T07:19:56.27
GU.CANO.HHN. ML:0.4 2.61E-5 0.76 AML other m 2019-07-26T07:19:57.09
GU.ENR.HHN. ML:0.6 9.67657415E-6 0.0992 AML other m 2019-07-26T07:20:06.15
GU.ENR.HHE. ML:0.6 7.877971E-6 0.0608 AML other m 2019-07-26T07:20:06.20
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