This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.2 MLv
Local datetime 2025/04/24 14:38
Universal datetime 2025/04/24 12:38
Latitude 45.45 ° ± 0.5 km
Longitude 4.19 ° ± 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
Saint-Étienne  15 172565
Firminy  11 17135
Saint-Just-Saint-Rambert  7 15083
Le Chambon-Feugerolles  13 12317
Andrézieux-Bouthéon  12 9790
Roche-la-Molière  11 9697
Veauche  15 8984
Monistrol-sur-Loire  18 8718
Unieux  8 8597
Villars  13 7970
La Ricamarie  15 7906
Sury-le-Comtal  10 6552
Saint-Genest-Lerpt  11 6131
Saint-Priest-en-Jarez  15 6120
Aurec-sur-Loire  9 6111

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.4
Azimuthal gap 232.68 °
Number of stations used 7
Number of phases used 13

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 12:38:04.84 0.09 287.27 0.11 Manual
XP FR16A Pg 12:38:06.83 -0.29 220.69 0.23 Manual
XP FR16A Sg 12:38:10.37 0.01 220.69 0.23 Manual
FR COLF Pg 12:38:09.39 0.11 278.39 0.35 Manual
FR COLF Sg 12:38:14.37 0.22 278.39 0.35 Manual
FR SGSF Pg 12:38:13.36 0.02 225.06 0.57 Manual
FR SGSF Sg 12:38:21.13 -0.11 225.06 0.57 Manual
FR PLDF Pg 12:38:14.32 -0.52 322.74 0.65 Manual
FR PLDF Sg 12:38:24.28 0.42 322.74 0.65 Manual
FR CHLF Pg 12:38:24.19 0.34 348.01 1.13 Manual
FR CHLF Sg 12:38:38.93 -0.69 348.01 1.13 Manual
FR LEUC Pg 12:38:28.28 0.49 239.75 1.35 Manual
FR LEUC Sg 12:38:45.69 -0.82 239.75 1.35 Manual