This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2025/11/20 10:05
Universal datetime 2025/11/20 09:05
Latitude 45.66 ° ± 0.3 km
Longitude 4.32 ° ± 0.3 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  21 6860
Saint-Jean-Bonnefonds  24 6638
Sury-le-Comtal  17 6552
Saint-Genest-Lerpt  22 6131
Saint-Priest-en-Jarez  21 6120
Saint-Galmier  6 5722
Chazelles-sur-Lyon  5 5357
Montrond-les-Bains  7 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.36
Azimuthal gap 67.69 °
Number of stations used 16
Number of phases used 30

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 09:05:22.75 -0.13 228.39 0.26 Manual
XP FR14B Sg 09:05:26.26 -0.28 228.39 0.26 Manual
G SSB Pg 09:05:25.44 -0.13 157.65 0.41 Manual
G SSB Sg 09:05:31.30 0.05 157.65 0.41 Manual
FR COLF Pg 09:05:26.66 -0.01 250.64 0.47 Manual
FR COLF Sg 09:05:33.18 -0.01 250.64 0.47 Manual
FR PLDF Pg 09:05:28.48 -0.23 302.44 0.58 Manual
FR OGRV Pg 09:05:31.87 -0.07 23.36 0.75 Manual
FR OGRV Sg 09:05:43.4 0.65 23.36 0.75 Manual
XP FR21A Pg 09:05:32.16 -0.13 173.14 0.77 Manual
FR SGSF Pg 09:05:32.31 -0.26 219.39 0.79 Manual
FR SGSF Sg 09:05:43.30 -0.21 219.39 0.79 Manual
FR LBL Pg 09:05:34.26 0.14 241.05 0.87 Manual
FR LBL Pn 09:05:35.57 -0.66 241.05 0.87 Manual
FR LBL Sg 09:05:45.94 -0.27 241.05 0.87 Manual
FR AGO Pg 09:05:35.19 0.12 295.7 0.92 Manual
FR AGO Sg 09:05:48.44 0.57 295.7 0.92 Manual
FR CHLF Pg 09:05:35.80 -0.02 339.94 0.96 Manual
FR CHLF Pn 09:05:36.59 -0.88 339.94 0.96 Manual
FR CHLF Sg 09:05:49.66 0.48 339.94 0.96 Manual
FR OGCB Pg 09:05:36.40 0.31 145.58 0.97 Manual
FR OGCB Sg 09:05:49.47 -0.18 145.58 0.97 Manual
FR CMPS Pg 09:05:37.31 0.72 257.71 1 Manual
FR CMPS Sg 09:05:50.77 0.24 257.71 1 Manual
XP FR22A Pg 09:05:38.45 0.49 200.2 1.08 Manual
FR OGMY Pg 09:05:38.94 0.16 77.9 1.12 Manual
FR OGMY Sg 09:05:54.57 0.22 77.9 1.12 Manual
FR VERF Pg 09:05:42.19 0.22 274.78 1.29 Manual
FR HRSF Pg 09:05:44.31 -0.06 308.03 1.42 Manual
FR HRSF Sn 09:06:03.46 0.45 308.03 1.42 Manual