This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.6 MLv |
| Local datetime | 2025/09/25 10:00 |
| Universal datetime | 2025/09/25 08:00 |
| Latitude | 45.66 ° ± 0.3 km |
| Longitude | 4.30 ° ± 0.3 km |
| Depth | 0 km (operator assigned) ± 0.0 km |
Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Montbrison 
|
19 | 15641 |
| Saint-Just-Saint-Rambert
|
20 | 15083 |
| Andrézieux-Bouthéon
|
14 | 9790 |
| Veauche
|
11 | 8984 |
| Feurs
|
10 | 8173 |
| Villars
|
22 | 7970 |
| Sorbiers
|
21 | 7933 |
| La Talaudière
|
22 | 6860 |
| Saint-Jean-Bonnefonds
|
25 | 6638 |
| Sury-le-Comtal
|
16 | 6552 |
| Saint-Genest-Lerpt
|
23 | 6131 |
| Saint-Priest-en-Jarez
|
21 | 6120 |
| Saint-Galmier
|
7 | 5722 |
| Chazelles-sur-Lyon
|
7 | 5357 |
| Montrond-les-Bains
|
6 | 5302 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.38 |
| Azimuthal gap | 97.75 ° |
| Number of stations used | 18 |
| Number of phases used | 34 |
Webservices
The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :
Phases
| Network | Station | Phase | Time | Residual (s) | Azimuth (°) | Distance (°) | Mode |
|---|---|---|---|---|---|---|---|
| G | SSB | Pg | 08:00:48.81 | -0.28 | 156.36 | 0.42 | Manual |
| G | SSB | Sg | 08:00:54.61 | -0.3 | 156.36 | 0.42 | Manual |
| FR | PLDF | Pg | 08:00:51.99 | 0.16 | 302.67 | 0.57 | Manual |
| FR | OGCN | Sg | 08:01:06.44 | 0.73 | 132.32 | 0.75 | Manual |
| XP | FR21A | Pg | 08:00:55.65 | -0.12 | 172.28 | 0.78 | Manual |
| XP | FR21A | Sg | 08:01:06.36 | -0.22 | 172.28 | 0.78 | Manual |
| FR | SGSF | Pg | 08:00:55.94 | 0.08 | 218.46 | 0.78 | Manual |
| FR | SGSF | Sg | 08:01:06.98 | 0.24 | 218.46 | 0.78 | Manual |
| FR | LBL | Pg | 08:00:57.63 | 0.3 | 240.36 | 0.86 | Manual |
| FR | LBL | Sg | 08:01:09.49 | 0.19 | 240.36 | 0.86 | Manual |
| FR | CHLF | Pg | 08:00:59.6 | 0.04 | 340.51 | 0.95 | Manual |
| FR | CHLF | Sg | 08:01:12.83 | 0.57 | 340.51 | 0.95 | Manual |
| FR | OGCB | Pg | 08:00:59.71 | 0.06 | 145.15 | 0.99 | Manual |
| FR | OGCB | Sg | 08:01:13.60 | 0.24 | 145.15 | 0.99 | Manual |
| FR | CMPS | Pg | 08:01:00.20 | 0.45 | 257.27 | 0.99 | Manual |
| FR | CMPS | Sg | 08:01:13.66 | 0.13 | 257.27 | 0.99 | Manual |
| XP | FR22A | Pg | 08:01:01.45 | 0.12 | 199.49 | 1.08 | Manual |
| XP | FR22A | Sg | 08:01:16.8 | -0.22 | 199.49 | 1.08 | Manual |
| FR | GRN | Pg | 08:01:02.5 | 0.34 | 112.04 | 1.1 | Manual |
| FR | GRN | Sg | 08:01:17.17 | 0.19 | 112.04 | 1.1 | Manual |
| FR | OGMY | Pg | 08:01:02.34 | 0 | 78.26 | 1.13 | Manual |
| FR | OGMY | Sg | 08:01:17.94 | -0.13 | 78.26 | 1.13 | Manual |
| XP | FR26A | Pg | 08:01:03.2 | 0.06 | 170.44 | 1.16 | Manual |
| XP | FR26A | Sg | 08:01:18.93 | -0.21 | 170.44 | 1.16 | Manual |
| FR | CZNF | Pg | 08:01:04.8 | 0.19 | 236.86 | 1.21 | Manual |
| FR | CZNF | Sg | 08:01:20.19 | -0.59 | 236.86 | 1.21 | Manual |
| FR | OGDF | Pg | 08:01:04.25 | 0.05 | 153.63 | 1.23 | Manual |
| FR | OGDF | Sg | 08:01:21.2 | -0.29 | 153.63 | 1.23 | Manual |
| FR | VERF | Pg | 08:01:04.62 | -0.48 | 274.59 | 1.28 | Manual |
| FR | VERF | Sg | 08:01:22.27 | -0.62 | 274.59 | 1.28 | Manual |
| FR | HRSF | Pg | 08:01:07.38 | -0.11 | 308.16 | 1.41 | Manual |
| FR | HRSF | Sg | 08:01:26.23 | -0.85 | 308.16 | 1.41 | Manual |
| FR | OGVG | Pg | 08:01:08.98 | -0.78 | 122.9 | 1.53 | Manual |
| FR | OGVG | Sn | 08:01:29.77 | 0.75 | 122.9 | 1.53 | Manual |