This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2025/05/15 11:04
Universal datetime 2025/05/15 09:04
Latitude 45.66 ° ± 0.4 km
Longitude 4.31 ° ± 0.4 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  19 15083
Andrézieux-Bouthéon  14 9790
Veauche  10 8984
Feurs  11 8173
Villars  21 7970
Sorbiers  20 7933
La Talaudière  22 6860
Saint-Jean-Bonnefonds  25 6638
Sury-le-Comtal  16 6552
Saint-Genest-Lerpt  22 6131
Saint-Priest-en-Jarez  21 6120
Saint-Galmier  6 5722
Chazelles-sur-Lyon  6 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 0.4
Azimuthal gap 75.73 °
Number of stations used 10
Number of phases used 17

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 09:04:14.68 -0.35 156.07 0.41 Manual
G SSB Sg 09:04:21.1 0.27 156.07 0.41 Manual
FR COLF Pg 09:04:16.7 0.2 250.38 0.46 Manual
FR COLF Sg 09:04:22.43 0.21 250.38 0.46 Manual
FR PLDF Pg 09:04:17.89 -0.07 303.2 0.57 Manual
FR OGRV Pg 09:04:21.77 0.31 24.08 0.76 Manual
FR SGSF Pg 09:04:21.84 0.02 218.82 0.78 Manual
FR LBL Pg 09:04:23.56 0.24 240.78 0.86 Manual
FR LBL Sg 09:04:35.53 0.27 240.78 0.86 Manual
FR OGCB Pg 09:04:25.95 0.36 144.96 0.98 Manual
FR OGCB Sg 09:04:39.28 0.06 144.96 0.98 Manual
FR OGMY Pg 09:04:28.4 -0.36 77.91 1.13 Manual
FR OGMY Sg 09:04:44.18 0.05 77.91 1.13 Manual
FR VERF Pn 09:04:30.29 -0.92 274.89 1.28 Manual
FR VERF Sg 09:04:48.26 -0.72 274.89 1.28 Manual
FR HRSF Pn 09:04:33.41 0.4 308.36 1.41 Manual
FR HRSF Sn 09:04:52.84 0.6 308.36 1.41 Manual