This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 0.9 MLv
Local datetime 2026/04/09 10:50
Universal datetime 2026/04/09 08:50
Latitude 45.65 ° ± 0.1 km
Longitude 4.31 ° ± 0.1 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  10 8984
Feurs  11 8173
Villars  21 7970
Sorbiers  20 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  6 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 0.2
Azimuthal gap 113.97 °
Number of stations used 9
Number of phases used 12

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
XP FR11A Pg 08:50:13.16 0.08 315.03 0.25 Manual
XP FR14B Pg 08:50:13.26 -0.03 227.91 0.26 Manual
FR OGGL Pg 08:50:14.8 -0.09 42.85 0.31 Manual
G SSB Pg 08:50:16.5 -0.04 156.81 0.41 Manual
G SSB Sg 08:50:22.22 0.44 156.81 0.41 Manual
XP FR16A Pg 08:50:16.51 -0.38 212.48 0.45 Manual
XP FR16A Sg 08:50:23.6 -0.12 212.48 0.45 Manual
FR COLF Pg 08:50:17.23 0.14 250.66 0.46 Manual
FR COLF Sg 08:50:23.64 0.12 250.66 0.46 Manual
FR PLDF Pg 08:50:19.4 -0.13 302.91 0.57 Manual
XP FR21A Pg 08:50:23.2 0.23 172.7 0.77 Manual
FR AGO Pg 08:50:25.67 0.15 295.97 0.92 Manual