This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.7 MLv |
| Local datetime | 2025/11/27 12:04 |
| Universal datetime | 2025/11/27 11:04 |
| Latitude | 45.35 ° ± 0.5 km |
| Longitude | 4.31 ° ± 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 |
|---|---|---|
Saint-Étienne 
|
10 | 172565 |
| Firminy
|
3 | 17135 |
| Saint-Just-Saint-Rambert
|
16 | 15083 |
| Le Chambon-Feugerolles
|
5 | 12317 |
| Roche-la-Molière
|
8 | 9697 |
| Monistrol-sur-Loire
|
12 | 8718 |
| Unieux
|
7 | 8597 |
| Villars
|
14 | 7970 |
| La Ricamarie
|
8 | 7906 |
| La Talaudière
|
17 | 6860 |
| Saint-Jean-Bonnefonds
|
16 | 6638 |
| Saint-Genest-Lerpt
|
12 | 6131 |
| Saint-Priest-en-Jarez
|
15 | 6120 |
| Aurec-sur-Loire
|
8 | 6111 |
| Sainte-Sigolène
|
13 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.25 |
| Azimuthal gap | 132.83 ° |
| Number of stations used | 9 |
| Number of phases used | 19 |
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 | 11:04:12.1 | -0.35 | 113.48 | 0.18 | Manual |
| G | SSB | Sg | 11:04:14.84 | 0.17 | 113.48 | 0.18 | Manual |
| XP | FR14B | Pg | 11:04:13.7 | -0.26 | 304.9 | 0.23 | Manual |
| XP | FR14B | Sg | 11:04:16.74 | 0.46 | 304.9 | 0.23 | Manual |
| FR | SGSF | Pg | 11:04:19.72 | -0.08 | 238.39 | 0.57 | Manual |
| FR | SGSF | Sg | 11:04:27.65 | 0.12 | 238.39 | 0.57 | Manual |
| FR | PLDF | Pg | 11:04:23.43 | -0.18 | 322.17 | 0.78 | Manual |
| FR | PLDF | Sg | 11:04:33.98 | -0.18 | 322.17 | 0.78 | Manual |
| FR | CMPS | Pg | 11:04:27.20 | -0.02 | 275.46 | 0.97 | Manual |
| FR | CMPS | Sg | 11:04:40.67 | 0.27 | 275.46 | 0.97 | Manual |
| FR | CZNF | Pg | 11:04:29.26 | 0.09 | 250.93 | 1.08 | Manual |
| FR | CZNF | Sg | 11:04:43.100 | 0.24 | 250.93 | 1.08 | Manual |
| FR | PRABE | Pg | 11:04:31.60 | 0.27 | 95 | 1.19 | Manual |
| FR | PRABE | Sg | 11:04:47.76 | 0.27 | 95 | 1.19 | Manual |
| FR | LEUC | Pg | 11:04:34.77 | 0.05 | 245.23 | 1.38 | Manual |
| FR | LEUC | Sg | 11:04:53.2 | -0.34 | 245.23 | 1.38 | Manual |
| FR | HRSF | Pn | 11:04:37.15 | -0.17 | 316.78 | 1.62 | Manual |
| FR | HRSF | Pg | 11:04:39.60 | 0.46 | 316.78 | 1.62 | Manual |
| FR | HRSF | Sn | 11:04:59.74 | -0.21 | 316.78 | 1.62 | Manual |