This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 0.9 MLv
Local datetime 2026/06/03 12:12
Universal datetime 2026/06/03 10:12
Latitude 45.24 ° ± 0.1 km
Longitude 4.16 ° ± 0.1 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  28 172565
Le Puy-en-Velay  31 18995
Firminy  19 17135
Saint-Just-Saint-Rambert  29 15083
Le Chambon-Feugerolles  22 12317
Roche-la-Molière  25 9697
Monistrol-sur-Loire  6 8718
Unieux  21 8597
Villars  30 7970
La Ricamarie  25 7906
Yssingeaux  11 7202
Saint-Genest-Lerpt  28 6131
Saint-Priest-en-Jarez  31 6120
Aurec-sur-Loire  15 6111
Sainte-Sigolène  6 5959

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.37
Azimuthal gap 108.25 °
Number of stations used 5
Number of phases used 7

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 10:12:33.96 -0.09 81.23 0.28 Manual
G SSB Sg 10:12:38.81 0.92 81.23 0.28 Manual
XP FR21A Pg 10:12:36.28 -0.15 148.62 0.4 Manual
FR COLF Pg 10:12:36.55 -0.13 309.07 0.42 Manual
FR COLF Sg 10:12:42.58 0.08 309.07 0.42 Manual
FR SGSF Pg 10:12:37.0 0.2 243.62 0.42 Manual
FR PLDF Pg 10:12:44.11 0 332.98 0.82 Manual