This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2023/05/25 10:57
Universal datetime 2023/05/25 08:57
Latitude 45.65 ° ± 2 km
Longitude 4.31 ° ± 2 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
Montbrison  19 15641
Saint-Just-Saint-Rambert  18 15083
Andrézieux-Bouthéon  13 9790
Veauche  10 8984
Feurs  12 8173
Villars  20 7970
Sorbiers  19 7933
La Talaudière  21 6860
Saint-Jean-Bonnefonds  24 6638
Sury-le-Comtal  16 6552
Saint-Genest-Lerpt  22 6131
Saint-Priest-en-Jarez  20 6120
Saint-Galmier  5 5722
Chazelles-sur-Lyon  5 5357
Montrond-les-Bains  6 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.29
Azimuthal gap 63.06 °
Number of stations used 14
Number of phases used 25

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 08:57:28.62 -0.24 156.3 0.4 Manual
FR COLF Pg 08:57:29.80 -0.09 251.29 0.46 Manual
FR COLF Sg 08:57:36.33 0.06 251.29 0.46 Manual
FR PLDF Pg 08:57:31.79 -0.28 303.48 0.58 Manual
FR OGRV Pg 08:57:35.41 -0.1 23.59 0.76 Manual
FR OGRV Sg 08:57:46.70 0.6 23.59 0.76 Manual
FR SGSF Pg 08:57:35.74 -0.03 219.36 0.78 Manual
FR SGSF Sg 08:57:46.53 -0.02 219.36 0.78 Manual
FR LBL Pg 08:57:37.36 0.04 241.29 0.86 Manual
FR LBL Sg 08:57:49.43 0.16 241.29 0.86 Manual
FR CHLF Pg 08:57:38.96 -0.34 340.48 0.97 Manual
FR CHLF Sg 08:57:52.76 0.02 340.48 0.97 Manual
FR OGCB Pg 08:57:39.50 0.08 144.97 0.97 Manual
FR OGCB Sg 08:57:52.95 0 144.97 0.97 Manual
FR OGSM Pg 08:57:39.43 -0.01 91.85 0.97 Manual
FR OGSM Sg 08:57:53.3 0.06 91.85 0.97 Manual
XX BNLF Pg 08:57:39.66 0.08 267.56 0.98 Manual
XX BNLF Sg 08:57:53.16 -0.06 267.56 0.98 Manual
FR OGMY Pg 08:57:42.10 -0.23 77.56 1.13 Manual
FR OGMY Sg 08:57:57.69 -0.33 77.56 1.13 Manual
FR OGDF Pg 08:57:44.61 0.65 153.59 1.22 Manual
FR VERF Pn 08:57:44.58 -0.68 275.16 1.29 Manual
FR VERF Pg 08:57:45.40 0.15 275.16 1.29 Manual
FR HRSF Pg 08:57:48.30 0.55 308.45 1.42 Manual
FR HRSF Sn 08:58:06.36 -0.03 308.45 1.42 Manual