This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2025/04/24 14:51
Universal datetime 2025/04/24 12:51
Latitude 45.43 ° ± 0.7 km
Longitude 4.18 ° ± 0.5 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  16 172565
Firminy  10 17135
Saint-Just-Saint-Rambert  9 15083
Le Chambon-Feugerolles  13 12317
Andrézieux-Bouthéon  14 9790
Roche-la-Molière  12 9697
Veauche  17 8984
Monistrol-sur-Loire  16 8718
Unieux  8 8597
Villars  14 7970
La Ricamarie  15 7906
Sury-le-Comtal  12 6552
Saint-Genest-Lerpt  12 6131
Saint-Priest-en-Jarez  16 6120
Aurec-sur-Loire  7 6111

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.35
Azimuthal gap 156.27 °
Number of stations used 8
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
G SSB Pg 12:51:07.62 0.15 120.43 0.3 Manual
G SSB Sg 12:51:12.5 0.28 120.43 0.3 Manual
FR COLF Pg 12:51:08.53 0.16 281.68 0.35 Manual
FR COLF Sg 12:51:13.57 0.25 281.68 0.35 Manual
FR SGSF Pg 12:51:12.38 0.2 226.04 0.55 Manual
XP FR21A Pg 12:51:12.55 -0.06 160.1 0.57 Manual
FR PLDF Pg 12:51:14.14 -0.11 324.15 0.66 Manual
FR LBL Pg 12:51:14.97 0.22 253.44 0.69 Manual
FR LBL Sg 12:51:24.42 0.26 253.44 0.69 Manual
FR CMPS Pg 12:51:18.25 -0.07 270.73 0.88 Manual
FR CMPS Sg 12:51:30.80 0.57 270.73 0.88 Manual
FR LEUC Pn 12:51:26.80 -0.64 240.33 1.33 Manual
FR LEUC Sn 12:51:44.98 -0.73 240.33 1.33 Manual