This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2026/04/02 10:56
Universal datetime 2026/04/02 08:56
Latitude 45.38 ° ± 0.2 km
Longitude 4.33 ° ± 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  7 172565
Firminy  3 17135
Saint-Just-Saint-Rambert  14 15083
Le Chambon-Feugerolles  1 12317
Roche-la-Molière  5 9697
Monistrol-sur-Loire  15 8718
Unieux  6 8597
Villars  10 7970
Sorbiers  16 7933
La Ricamarie  4 7906
La Talaudière  13 6860
Saint-Jean-Bonnefonds  13 6638
Saint-Genest-Lerpt  9 6131
Saint-Priest-en-Jarez  11 6120
Aurec-sur-Loire  10 6111

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.33
Azimuthal gap 162.97 °
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 08:56:09.90 -0.02 123.11 0.18 Manual
G SSB Sg 08:56:12.83 0.41 123.11 0.18 Manual
XP FR14B Pg 08:56:10.28 -0.52 297.37 0.23 Manual
XP FR16A Pg 08:56:11.62 -0.04 247.74 0.27 Manual
XP FR16A Sg 08:56:15.33 -0.13 247.74 0.27 Manual
FR COLF Pg 08:56:15.38 0.19 285.58 0.46 Manual
FR COLF Sg 08:56:22.19 0.54 285.58 0.46 Manual
XP FR21A Pg 08:56:15.80 0.05 169.81 0.49 Manual
XP FR21A Sg 08:56:22.63 0.02 169.81 0.49 Manual
FR PLDF Sg 08:56:32.3 0.48 320.13 0.77 Manual
FR LBL Pg 08:56:21.25 0.21 259.57 0.78 Manual
FR LBL Pn 08:56:23.16 -0.44 259.57 0.78 Manual
FR LBL Sg 08:56:32.5 0.19 259.57 0.78 Manual
FR CMPS Pg 08:56:24.65 -0.25 273.86 0.99 Manual
FR CMPS Sg 08:56:38.46 -0.16 273.86 0.99 Manual
FR BNLF Pg 08:56:26.16 0.66 283.06 1.02 Manual
FR BNLF Sg 08:56:39.39 -0.26 283.06 1.02 Manual