This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2026/05/07 11:21
Universal datetime 2026/05/07 09:21
Latitude 45.65 ° ± 0.1 km
Longitude 4.32 ° ± 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  13 9790
Veauche  10 8984
Feurs  12 8173
Villars  20 7970
Sorbiers  19 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  5 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 0.33
Azimuthal gap 67.61 °
Number of stations used 16
Number of phases used 27

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 09:21:33.4 -0.2 228.88 0.26 Manual
FR OGGL Pg 09:21:33.82 -0.31 42.05 0.31 Manual
G SSB Pg 09:21:35.80 -0.16 156.97 0.4 Manual
FR COLF Pg 09:21:36.92 -0.14 251.17 0.46 Manual
FR COLF Sg 09:21:43.34 -0.17 251.17 0.46 Manual
FR PLDF Pg 09:21:38.91 -0.28 303.06 0.58 Manual
FR OGRV Pg 09:21:42.37 -0.15 23.39 0.76 Manual
FR OGRV Sg 09:21:53.79 0.73 23.39 0.76 Manual
XP FR21A Pg 09:21:42.59 -0.07 172.87 0.77 Manual
FR LBL Pg 09:21:44.18 -0.31 241.28 0.86 Manual
FR LBL Sg 09:21:56.48 -0.03 241.28 0.86 Manual
XP FR06A Pg 09:21:46.69 0.66 320.46 0.95 Manual
XP FR06A Sg 09:22:00.1 0.81 320.46 0.95 Manual
FR CHLF Pg 09:21:46.18 -0.19 340.21 0.96 Manual
FR CHLF Sg 09:21:59.88 0.09 340.21 0.96 Manual
FR OGCB Pg 09:21:46.92 0.42 145.25 0.97 Manual
FR OGCB Sg 09:22:00.41 0.39 145.25 0.97 Manual
FR BNLF Pg 09:21:46.77 0.03 267.43 0.98 Manual
FR BNLF Sg 09:21:59.95 -0.49 267.43 0.98 Manual
FR CMPS Pg 09:21:47.38 0.4 257.98 1 Manual
FR CMPS Sg 09:22:00.58 -0.29 257.98 1 Manual
XP FR22A Pg 09:21:48.54 0.22 200.15 1.07 Manual
XP FR22A Sg 09:22:03.26 0.06 200.15 1.07 Manual
FR OGMY Pg 09:21:49.25 -0.07 77.65 1.12 Manual
FR OGMY Sg 09:22:04.82 -0.13 77.65 1.12 Manual
FR HRSF Pg 09:21:54.87 0.01 308.27 1.42 Manual
FR HRSF Sn 09:22:13.36 -0.15 308.27 1.42 Manual