This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/04/03 11:18
Universal datetime 2025/04/03 09:18
Latitude 45.68 ° ± 0.8 km
Longitude 4.33 ° ± 0.9 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  22 15641
Saint-Just-Saint-Rambert  22 15083
Andrézieux-Bouthéon  16 9790
Veauche  13 8984
Feurs  11 8173
Villars  23 7970
Sorbiers  21 7933
La Talaudière  23 6860
Sury-le-Comtal  19 6552
Saint-Genest-Lerpt  24 6131
Saint-Priest-en-Jarez  22 6120
Vaugneray  25 5734
Saint-Galmier  8 5722
Chazelles-sur-Lyon  6 5357
Montrond-les-Bains  9 5302

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.23
Azimuthal gap 212.5 °
Number of stations used 7
Number of phases used 8

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
G SSB Pg 09:18:31.27 -0.13 159.74 0.42 Manual
G SSB Sg 09:18:37.57 0.29 159.74 0.42 Manual
FR COLF Pg 09:18:32.50 -0.03 248.98 0.48 Manual
FR PLDF Pg 09:18:33.89 -0.37 300.45 0.58 Manual
FR SGSF Pg 09:18:38.41 -0.11 219.08 0.81 Manual
FR LBL Pg 09:18:40.9 0.07 240.32 0.89 Manual
FR CMPS Pg 09:18:42.58 0.17 256.83 1.01 Manual
FR HRSF Pn 09:18:49.59 0.35 307.23 1.42 Manual