This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/07/03 11:27
Universal datetime 2025/07/03 09:27
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  20 15641
Saint-Just-Saint-Rambert  19 15083
Andrézieux-Bouthéon  14 9790
Veauche  11 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  23 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 0.26
Azimuthal gap 67.18 °
Number of stations used 9
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
FR COLF Pg 09:27:09.28 0 250.19 0.46 Manual
FR COLF Sg 09:27:15.82 0.14 250.19 0.46 Manual
FR PLDF Pg 09:27:11.25 -0.06 302.8 0.57 Manual
FR OGRV Pg 09:27:14.64 -0.08 23.96 0.75 Manual
FR OGRV Sg 09:27:26.8 0.87 23.96 0.75 Manual
XP FR21A Pg 09:27:15.9 0.02 172.52 0.77 Manual
XP FR21A Sg 09:27:26.8 0.27 172.52 0.77 Manual
FR SGSF Pg 09:27:15.17 -0.06 218.87 0.78 Manual
FR SGSF Sg 09:27:26.33 0.23 218.87 0.78 Manual
FR LBL Pg 09:27:16.75 0.02 240.73 0.86 Manual
FR LBL Sg 09:27:28.70 -0.03 240.73 0.86 Manual
FR CHLF Pg 09:27:18.45 -0.05 340.38 0.96 Manual
FR CHLF Sg 09:27:31.64 -0.17 340.38 0.96 Manual
FR OGCB Pg 09:27:19.1 0.07 145.2 0.98 Manual
FR OGCB Sg 09:27:32.17 -0.4 145.2 0.98 Manual
FR OGMY Pg 09:27:21.59 -0.08 78.02 1.13 Manual
FR OGMY Sg 09:27:37.31 -0.04 78.02 1.13 Manual