This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2025/06/23 14:18
Universal datetime 2025/06/23 12:18
Latitude 45.36 ° ± 0.7 km
Longitude 4.32 ° ± 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  9 172565
Firminy  3 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  9 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 0.35
Azimuthal gap 188.49 °
Number of stations used 9
Number of phases used 17

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 12:18:26.41 -0.13 116.6 0.18 Manual
G SSB Sg 12:18:29.2 0.03 116.6 0.18 Manual
XP FR16A Pg 12:18:28.1 -0.1 251.12 0.26 Manual
XP FR16A Sg 12:18:31.86 0.13 251.12 0.26 Manual
FR COLF Pg 12:18:31.89 0.02 288.11 0.46 Manual
FR COLF Sg 12:18:38.88 0.57 288.11 0.46 Manual
FR SGSF Pg 12:18:34.5 -0.08 238.17 0.58 Manual
FR OGCB Pg 12:18:37.43 0.24 132.41 0.75 Manual
FR LBL Pg 12:18:37.95 0.4 260.89 0.77 Manual
FR LBL Sg 12:18:48.39 0.16 260.89 0.77 Manual
XP FR22A Pg 12:18:38.10 -0.05 207.47 0.8 Manual
XP FR22A Sg 12:18:48.100 -0.3 207.47 0.8 Manual
FR VERF Pn 12:18:47.31 -0.72 287.56 1.35 Manual
FR VERF Pg 12:18:48.65 0.33 287.56 1.35 Manual
FR VERF Sg 12:19:06.52 -0.56 287.56 1.35 Manual
FR LEUC Pg 12:18:49.26 0.22 245.1 1.39 Manual
FR LEUC Sg 12:19:07.72 -0.6 245.1 1.39 Manual