This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.3 MLv
Local datetime 2026/04/08 11:03
Universal datetime 2026/04/08 09:03
Latitude 45.93 ° ± 0.1 km
Longitude 3.97 ° ± 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
Roanne  15 34366
Montbrison  38 15641
Cusset  44 12661
Thiers  34 11847
Riorges  13 10774
Tarare  36 10582
Feurs  30 8173
Mably  19 7605
Le Coteau  13 6872
Ambert  45 6671
Thizy-les-Bourgs  30 6031
Saint-Galmier  46 5722
Chazelles-sur-Lyon  46 5357
Montrond-les-Bains  39 5302
Vindry-sur-Turdine  41 5133

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.28
Azimuthal gap 126.16 °
Number of stations used 12
Number of phases used 18

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
FR PLDF Pg 09:04:04.14 -0.2 277.29 0.24 Manual
FR PLDF Sg 09:04:08.9 0.38 277.29 0.24 Manual
XP FR08A Pg 09:04:05.6 -0.16 22.04 0.29 Manual
FR COLF Pg 09:04:08.46 -0.2 203.89 0.47 Manual
FR COLF Sg 09:04:15.43 0.16 203.89 0.47 Manual
FR AGO Pg 09:04:10.87 0 281.48 0.59 Manual
FR CHLF Pg 09:04:11.51 -0.02 352.26 0.63 Manual
G SSB Pg 09:04:14.35 0.21 148.2 0.77 Manual
G SSB Sg 09:04:25.25 0.4 148.2 0.77 Manual
FR SGSF Pg 09:04:16.73 -0.21 195.58 0.92 Manual
FR SGSF Sg 09:04:29.73 -0.02 195.58 0.92 Manual
XP FR09A Pg 09:04:17.98 0.43 282.81 0.95 Manual
FR VERF Pg 09:04:19.67 0.26 260.43 1.05 Manual
FR VERF Sg 09:04:33.55 -0.51 260.43 1.05 Manual
FR HRSF Pg 09:04:19.66 0.2 304.15 1.06 Manual
FR HRSF Sg 09:04:34.49 0.33 304.15 1.06 Manual
XP FR21A Sg 09:04:35.62 0.13 161.71 1.1 Manual
FR GZNF Pg 09:04:22.66 -0.46 281.64 1.25 Manual