This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/10/23 10:48
Universal datetime 2025/10/23 08:48
Latitude 45.19 ° ± 0.4 km
Longitude 4.13 ° ± 0.4 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  34 172565
Le Puy-en-Velay  25 18995
Firminy  25 17135
Saint-Just-Saint-Rambert  35 15083
Le Chambon-Feugerolles  28 12317
Roche-la-Molière  31 9697
Monistrol-sur-Loire  12 8718
Unieux  27 8597
Villars  36 7970
La Ricamarie  31 7906
Yssingeaux  5 7202
Saint-Genest-Lerpt  34 6131
Saint-Priest-en-Jarez  38 6120
Aurec-sur-Loire  21 6111
Sainte-Sigolène  10 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.52
Azimuthal gap 83.71 °
Number of stations used 11
Number of phases used 18

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 08:48:27.91 -0.97 308.34 0.14 Manual
XP FR16A Sg 08:48:31.50 0.66 308.34 0.14 Manual
XP FR14B Pg 08:48:31.81 -0.06 348.56 0.3 Manual
XP FR14B Sg 08:48:36.43 0.37 348.56 0.3 Manual
G SSB Pg 08:48:31.76 -0.23 72.27 0.31 Manual
G SSB Sg 08:48:36.18 -0.09 72.27 0.31 Manual
XP FR21A Pg 08:48:33.15 -0.06 141.81 0.37 Manual
XP FR21A Sg 08:48:38.45 0.04 141.81 0.37 Manual
FR SGSF Pg 08:48:33.64 0.21 249.13 0.39 Manual
FR SGSF Sg 08:48:39.17 0.37 249.13 0.39 Manual
FR COLF Pg 08:48:34.56 0.15 315.96 0.44 Manual
FR COLF Sg 08:48:41.2 0.51 315.96 0.44 Manual
XP FR26A Pg 08:48:41.2 0.92 154.47 0.74 Manual
FR OGCB Pg 08:48:41.16 0.67 115.68 0.77 Manual
FR OGDF Pn 08:48:44.45 -0.75 132.86 0.92 Manual
FR TRBF Pn 08:48:46.65 -0.84 186.39 1.09 Manual
FR AGO Pg 08:48:47.43 0.52 321.4 1.11 Manual
FR AGO Sg 08:49:02.28 -0.09 321.4 1.11 Manual