This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.2 MLv
Local datetime 2022/07/29 11:12
Universal datetime 2022/07/29 09:12
Latitude 45.35 ° ± 5 km
Longitude 4.31 ° ± 3 km
Depth 0 km (operator assigned) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Saint-Étienne  10 172565
Firminy  4 17135
Saint-Just-Saint-Rambert  16 15083
Le Chambon-Feugerolles  5 12317
Roche-la-Molière  9 9697
Monistrol-sur-Loire  12 8718
Unieux  7 8597
Villars  14 7970
La Ricamarie  7 7906
La Talaudière  17 6860
Saint-Jean-Bonnefonds  16 6638
Saint-Genest-Lerpt  12 6131
Saint-Priest-en-Jarez  15 6120
Aurec-sur-Loire  9 6111
Sainte-Sigolène  13 5959

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.23
Azimuthal gap 112.53 °
Number of stations used 11
Number of phases used 15

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
G SSB Pg 09:12:58.87 -0.45 113.51 0.18 Manual
G SSB Sg 09:13:01.59 -0.17 113.51 0.18 Manual
FR COLF Sg 09:13:11.30 0.24 289.3 0.46 Manual
FR SGSF Pg 09:13:06.58 -0.19 238.69 0.58 Manual
FR OGCB Pg 09:13:10.8 0.17 131.72 0.75 Manual
FR LBL Pg 09:13:10.31 0.1 261.52 0.76 Manual
FR LBL Sg 09:13:20.83 0.02 261.52 0.76 Manual
FR PLDF Pg 09:13:10.47 -0.14 322.03 0.78 Manual
FR PLDF Sg 09:13:21.23 -0.27 322.03 0.78 Manual
FR CMPS Pg 09:13:14.13 -0.08 275.52 0.98 Manual
FR CMPS Sg 09:13:27.75 -0.05 275.52 0.98 Manual
FR OGSM Pg 09:13:15.0 0.24 74.56 1.01 Manual
XX BNLF Pg 09:13:15.10 0.2 284.73 1.01 Manual
FR GRN Pg 09:13:15.37 0.46 95.6 1.02 Manual
FR OGS3 Pg 09:13:16.23 -0.1 104.33 1.09 Manual