This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.1 MLv
Local datetime 2025/05/15 14:03
Universal datetime 2025/05/15 12:03
Latitude 45.65 ° ± 0.4 km
Longitude 4.30 ° ± 0.6 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  18 15641
Saint-Just-Saint-Rambert  18 15083
Andrézieux-Bouthéon  13 9790
Veauche  10 8984
Feurs  11 8173
Villars  20 7970
Sorbiers  20 7933
La Talaudière  21 6860
Saint-Jean-Bonnefonds  24 6638
Sury-le-Comtal  15 6552
Saint-Genest-Lerpt  22 6131
Saint-Priest-en-Jarez  20 6120
Saint-Galmier  5 5722
Chazelles-sur-Lyon  6 5357
Montrond-les-Bains  5 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.27
Azimuthal gap 173.83 °
Number of stations used 9
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
XP FR14B Pg 12:03:23.75 0.09 227.15 0.24 Manual
XP FR14B Sg 12:03:26.96 -0.11 227.15 0.24 Manual
G SSB Pg 12:03:26.55 -0.13 154.9 0.41 Manual
G SSB Sg 12:03:32.2 -0.34 154.9 0.41 Manual
FR COLF Pg 12:03:27.63 0.17 250.92 0.45 Manual
FR COLF Sg 12:03:33.20 -0.5 250.92 0.45 Manual
FR PLDF Pg 12:03:29.59 -0.07 304.1 0.57 Manual
XP FR21A Pg 12:03:33.57 0.26 171.74 0.76 Manual
XP FR21A Sg 12:03:43.98 0.03 171.74 0.76 Manual
FR SGSF Pg 12:03:33.41 0.03 218.77 0.77 Manual
FR SGSF Sg 12:03:44.49 0.42 218.77 0.77 Manual
FR LBL Pg 12:03:34.64 -0.25 240.97 0.85 Manual
FR CHLF Pg 12:03:36.82 -0.18 341.07 0.96 Manual
FR CHLF Sg 12:03:50.94 0.54 341.07 0.96 Manual
FR HRSF Pg 12:03:45.43 0.08 308.72 1.41 Manual