This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2025/04/28 12:08
Universal datetime 2025/04/28 10:08
Latitude 45.33 ° ± 0.6 km
Longitude 4.57 ° ± 0.6 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  19 172565
Saint-Chamond  16 34967
Annonay  11 16345
Rive-de-Gier  21 15184
Le Chambon-Feugerolles  20 12317
Roche-la-Molière  22 9697
Roussillon  20 8455
Sorbiers  21 7933
La Ricamarie  18 7906
La Talaudière  20 6860
Le Péage-de-Roussillon  17 6680
Saint-Jean-Bonnefonds  17 6638
Saint-Rambert-d'Albon  21 6530
Saint-Maurice-l'Exil  17 6141
La Grand-Croix  19 5136

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.34
Azimuthal gap 188.36 °
Number of stations used 9
Number of phases used 14

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 10:08:15.76 0.16 291.87 0.4 Manual
FR OGCB Pg 10:08:18.90 -0.57 142.21 0.61 Manual
FR SGSF Pg 10:08:21.69 -0.04 247.37 0.73 Manual
FR SGSF Sg 10:08:31.70 -0.22 247.37 0.73 Manual
FR OGDF Pg 10:08:24.61 0.62 155.35 0.85 Manual
XP FR22A Pg 10:08:24.34 -0.11 218.76 0.88 Manual
XP FR22A Sg 10:08:36.18 -0.47 218.76 0.88 Manual
FR PLDF Pg 10:08:24.98 -0.21 313.85 0.92 Manual
FR PLDF Sg 10:08:37.67 -0.28 313.85 0.92 Manual
FR LBL Pg 10:08:26.2 0.39 264.26 0.94 Manual
FR LBL Sg 10:08:38.55 -0.18 264.26 0.94 Manual
FR CMPS Pg 10:08:30.10 0.4 275.63 1.16 Manual
FR CMPS Sg 10:08:45.69 -0.14 275.63 1.16 Manual
FR FRNF Pg 10:08:34.17 -0.32 272.82 1.42 Manual