This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.2 MLv
Local datetime 2025/04/11 10:47
Universal datetime 2025/04/11 08:47
Latitude 45.09 ° ± 0.3 km
Longitude 3.96 ° ± 0.3 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  50 172565
Le Puy-en-Velay  8 18995
Firminy  42 17135
Saint-Just-Saint-Rambert  50 15083
Le Chambon-Feugerolles  45 12317
Roche-la-Molière  47 9697
Monistrol-sur-Loire  29 8718
Unieux  43 8597
Villars  53 7970
La Ricamarie  48 7906
Yssingeaux  15 7202
Brioude  51 6721
Saint-Genest-Lerpt  50 6131
Aurec-sur-Loire  37 6111
Sainte-Sigolène  28 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.26
Azimuthal gap 58.2 °
Number of stations used 14
Number of phases used 24

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 FR16A Pg 08:47:16.31 -0.08 2.78 0.19 Manual
XP FR16A Sg 08:47:19.52 0.54 2.78 0.19 Manual
FR SGSF Pg 08:47:17.44 0 260.83 0.24 Manual
FR SGSF Sg 08:47:21.9 0.26 260.83 0.24 Manual
XP FR14B Pg 08:47:20.36 0.02 8.53 0.4 Manual
XP FR21A Pg 08:47:20.34 -0.04 118.89 0.4 Manual
XP FR21A Sg 08:47:26.23 0.28 118.89 0.4 Manual
FR COLF Pg 08:47:21.30 -0.04 335.84 0.45 Manual
XP FR22A Pg 08:47:21.43 0.06 194.18 0.45 Manual
G SSB Pg 08:47:21.36 -0.03 64.86 0.46 Manual
G SSB Sg 08:47:27.97 0.24 64.86 0.46 Manual
FR LBL Pg 08:47:22.56 -0.1 286.26 0.52 Manual
FR LBL Sg 08:47:29.82 -0.12 286.26 0.52 Manual
FR BANN Pg 08:47:26.17 -0.35 168.77 0.73 Manual
FR BANN Sg 08:47:36.57 -0.12 168.77 0.73 Manual
FR PLDF Sg 08:47:41.78 -0.68 345.11 0.91 Manual
FR TRBF Pg 08:47:31.37 0.21 179.96 0.98 Manual
FR TRBF Sg 08:47:44.65 -0.16 179.96 0.98 Manual
FR FRNF Pg 08:47:32.42 0.34 287.32 1.03 Manual
FR FRNF Sg 08:47:46.27 -0.15 287.32 1.03 Manual
FR LEUC Pg 08:47:32.57 0.15 252.38 1.05 Manual
FR LEUC Sg 08:47:47.25 0.24 252.38 1.05 Manual
FR VERF Pg 08:47:35.48 -0.33 303.09 1.23 Manual
FR VERF Sg 08:47:52.63 -0.32 303.09 1.23 Manual