This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2026/04/02 12:09
Universal datetime 2026/04/02 10:09
Latitude 45.26 ° ± 0.1 km
Longitude 4.18 ° ± 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  25 172565
Firminy  16 17135
Saint-Just-Saint-Rambert  26 15083
Le Chambon-Feugerolles  19 12317
Roche-la-Molière  22 9697
Monistrol-sur-Loire  4 8718
Unieux  18 8597
Villars  27 7970
La Ricamarie  22 7906
Yssingeaux  14 7202
Saint-Jean-Bonnefonds  30 6638
Saint-Genest-Lerpt  25 6131
Saint-Priest-en-Jarez  28 6120
Aurec-sur-Loire  12 6111
Sainte-Sigolène  4 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 72.09 °
Number of stations used 14
Number of phases used 23

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 FR14B Pg 10:09:16.10 -0.04 336.14 0.24 Manual
XP FR14B Sg 10:09:19.71 0.16 336.14 0.24 Manual
G SSB Pg 10:09:16.54 0.22 85.09 0.25 Manual
G SSB Sg 10:09:20.70 0.83 85.09 0.25 Manual
XP FR21A Pg 10:09:19.38 0.12 152.37 0.41 Manual
XP FR21A Sg 10:09:25.75 0.75 152.37 0.41 Manual
FR SGSF Pg 10:09:19.74 -0.23 242.42 0.45 Manual
FR SGSF Sg 10:09:25.93 -0.32 242.42 0.45 Manual
FR LBL Pg 10:09:24.2 0.12 268.05 0.66 Manual
FR PLDF Sg 10:09:38.20 0.32 331.14 0.81 Manual
FR CMPS Pg 10:09:28.51 0.2 281.82 0.9 Manual
FR CMPS Sg 10:09:40.70 -0.12 281.82 0.9 Manual
FR BNLF Pg 10:09:29.54 0.21 291.38 0.95 Manual
FR BNLF Sg 10:09:42.47 -0.14 291.38 0.95 Manual
FR AGO Pg 10:09:31.86 0.17 317.44 1.08 Manual
FR AGO Sg 10:09:46.67 -0.08 317.44 1.08 Manual
FR TRBF Pg 10:09:33.11 -0.1 187.97 1.16 Manual
FR TRBF Sg 10:09:48.99 -0.41 187.97 1.16 Manual
FR PRABE Sg 10:09:53.52 0.36 90.41 1.28 Manual
FR CHLF Pn 10:09:35.51 -0.48 349.83 1.32 Manual
FR OGMY Pn 10:09:35.73 -0.66 61.92 1.35 Manual
FR OGMY Sg 10:09:55.76 0.27 61.92 1.35 Manual
FR HRSF Pg 10:09:42.3 0.21 321.21 1.63 Manual