This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.1 MLv
Local datetime 2026/04/24 12:03
Universal datetime 2026/04/24 10:03
Latitude 45.26 ° ± 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  26 172565
Firminy  17 17135
Saint-Just-Saint-Rambert  27 15083
Le Chambon-Feugerolles  20 12317
Roche-la-Molière  23 9697
Monistrol-sur-Loire  4 8718
Unieux  19 8597
Villars  28 7970
La Ricamarie  23 7906
Yssingeaux  13 7202
Sury-le-Comtal  32 6552
Saint-Genest-Lerpt  26 6131
Saint-Priest-en-Jarez  29 6120
Aurec-sur-Loire  13 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 0.39
Azimuthal gap 90.9 °
Number of stations used 8
Number of phases used 13

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 10:03:10.25 -0.09 276.2 0.13 Manual
XP FR16A Sg 10:03:12.14 -0.04 276.2 0.13 Manual
G SSB Pg 10:03:12.79 -0.18 85.69 0.27 Manual
G SSB Sg 10:03:16.75 -0.02 85.69 0.27 Manual
FR COLF Pg 10:03:15.48 0.06 306.65 0.41 Manual
XP FR21A Pg 10:03:15.47 -0.28 150.21 0.42 Manual
XP FR21A Sg 10:03:21.77 0.15 150.21 0.42 Manual
FR SGSF Pg 10:03:16.8 0.1 241.11 0.44 Manual
FR OGCB Pg 10:03:22.77 0.35 121.2 0.78 Manual
FR PLDF Pg 10:03:22.46 -0.28 332.24 0.8 Manual
FR PLDF Sg 10:03:34.57 0.71 332.24 0.8 Manual
XP FR08A Pg 10:03:25.81 0.36 358.65 0.94 Manual
XP FR08A Sg 10:03:37.62 -0.97 358.65 0.94 Manual