This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2025/04/10 11:14
Universal datetime 2025/04/10 09:14
Latitude 45.35 ° ± 0.6 km
Longitude 4.33 ° ± 0.5 km
Depth 0 km (from location) ± 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  9 172565
Firminy  4 17135
Saint-Just-Saint-Rambert  16 15083
Le Chambon-Feugerolles  4 12317
Roche-la-Molière  8 9697
Monistrol-sur-Loire  13 8718
Unieux  7 8597
Villars  13 7970
La Ricamarie  6 7906
La Talaudière  16 6860
Saint-Jean-Bonnefonds  15 6638
Saint-Genest-Lerpt  11 6131
Saint-Priest-en-Jarez  14 6120
Aurec-sur-Loire  10 6111
Sainte-Sigolène  14 5959

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 155.18 °
Number of stations used 6
Number of phases used 12

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 09:14:40.50 -0.18 116.44 0.17 Manual
G SSB Sg 09:14:43.37 0.33 116.44 0.17 Manual
FR COLF Pg 09:14:45.91 -0.34 288.29 0.47 Manual
FR COLF Sg 09:14:52.92 0.15 288.29 0.47 Manual
XP FR21A Pg 09:14:46.25 -0.04 169.17 0.47 Manual
XP FR21A Sg 09:14:53.22 0.38 169.17 0.47 Manual
FR SGSF Pg 09:14:48.18 -0.27 238.74 0.59 Manual
FR SGSF Sg 09:14:57.26 0.63 238.74 0.59 Manual
FR LBL Pg 09:14:52.19 0.29 261.21 0.77 Manual
FR LBL Sg 09:15:02.20 -0.45 261.21 0.77 Manual
FR PLDF Pg 09:14:52.46 0.33 321.26 0.79 Manual
FR PLDF Sg 09:15:02.90 -0.14 321.26 0.79 Manual