This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.7 MLv |
| Local datetime | 2025/12/04 12:36 |
| Universal datetime | 2025/12/04 11:36 |
| Latitude | 45.18 ° ± 0.3 km |
| Longitude | 4.13 ° ± 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 
|
34 | 172565 |
| Le Puy-en-Velay
|
25 | 18995 |
| Firminy
|
25 | 17135 |
| Saint-Just-Saint-Rambert
|
36 | 15083 |
| Le Chambon-Feugerolles
|
28 | 12317 |
| Roche-la-Molière
|
31 | 9697 |
| Monistrol-sur-Loire
|
13 | 8718 |
| Unieux
|
27 | 8597 |
| Villars
|
36 | 7970 |
| La Ricamarie
|
31 | 7906 |
| Yssingeaux
|
5 | 7202 |
| Saint-Genest-Lerpt
|
34 | 6131 |
| Saint-Priest-en-Jarez
|
38 | 6120 |
| Aurec-sur-Loire
|
22 | 6111 |
| Sainte-Sigolène
|
11 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.31 |
| Azimuthal gap | 79.76 ° |
| Number of stations used | 20 |
| Number of phases used | 37 |
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 | 11:36:29.70 | -0.34 | 71.72 | 0.31 | Manual |
| G | SSB | Sg | 11:36:33.94 | -0.4 | 71.72 | 0.31 | Manual |
| XP | FR21A | Pg | 11:36:30.95 | -0.24 | 141.47 | 0.37 | Manual |
| XP | FR21A | Sg | 11:36:36.39 | 0.03 | 141.47 | 0.37 | Manual |
| FR | SGSF | Pg | 11:36:31.55 | 0.12 | 249.56 | 0.38 | Manual |
| FR | SGSF | Sg | 11:36:37.16 | 0.39 | 249.56 | 0.38 | Manual |
| FR | COLF | Pg | 11:36:32.45 | -0.02 | 316.29 | 0.44 | Manual |
| FR | COLF | Sg | 11:36:38.84 | 0.25 | 316.29 | 0.44 | Manual |
| XP | FR22A | Pg | 11:36:35.12 | -0.02 | 203.37 | 0.58 | Manual |
| XP | FR22A | Sg | 11:36:43.21 | -0.07 | 203.37 | 0.58 | Manual |
| FR | LBL | Pg | 11:36:35.43 | -0.46 | 274.77 | 0.62 | Manual |
| FR | LBL | Sg | 11:36:44.68 | 0.1 | 274.77 | 0.62 | Manual |
| FR | OGCB | Pg | 11:36:38.49 | -0.01 | 115.45 | 0.76 | Manual |
| FR | BANN | Pg | 11:36:39.47 | 0.05 | 178.48 | 0.81 | Manual |
| FR | BANN | Sg | 11:36:50.29 | -0.46 | 178.48 | 0.81 | Manual |
| FR | PLDF | Pg | 11:36:40.2 | -0.22 | 335.84 | 0.86 | Manual |
| FR | PLDF | Sg | 11:36:52.28 | 0.09 | 335.84 | 0.86 | Manual |
| FR | CZNF | Pg | 11:36:41.15 | -0.04 | 258.15 | 0.91 | Manual |
| FR | CZNF | Sg | 11:36:53.80 | -0.04 | 258.15 | 0.91 | Manual |
| FR | OGDF | Pg | 11:36:41.80 | 0.46 | 132.7 | 0.92 | Manual |
| FR | OGDF | Sg | 11:36:53.96 | -0.14 | 132.7 | 0.92 | Manual |
| XP | FR29A | Pg | 11:36:43.78 | -0.02 | 201.67 | 1.05 | Manual |
| XP | FR29A | Sg | 11:36:58.25 | -0.16 | 201.67 | 1.05 | Manual |
| FR | TRBF | Pg | 11:36:44.36 | -0.08 | 186.4 | 1.08 | Manual |
| FR | TRBF | Sg | 11:36:59.6 | -0.46 | 186.4 | 1.08 | Manual |
| FR | AGO | Pg | 11:36:45.27 | 0.29 | 321.52 | 1.11 | Manual |
| FR | AGO | Sg | 11:36:59.83 | -0.64 | 321.52 | 1.11 | Manual |
| FR | LEUC | Pg | 11:36:46.63 | 0.16 | 249.83 | 1.19 | Manual |
| FR | LEUC | Sg | 11:37:03.2 | -0.05 | 249.83 | 1.19 | Manual |
| FR | VERF | Pn | 11:36:48.25 | 0.02 | 296.71 | 1.29 | Manual |
| FR | VERF | Pg | 11:36:48.80 | 0.58 | 296.71 | 1.29 | Manual |
| FR | VERF | Sg | 11:37:05.58 | -0.55 | 296.71 | 1.29 | Manual |
| FR | PRABE | Pn | 11:36:48.72 | 0.05 | 87.1 | 1.32 | Manual |
| FR | PRABE | Pg | 11:36:49.50 | 0.67 | 87.1 | 1.32 | Manual |
| FR | CHLF | Pn | 11:36:49.3 | -0.58 | 351.95 | 1.39 | Manual |
| FR | OGVG | Pn | 11:36:50.44 | -0.08 | 103.92 | 1.46 | Manual |
| FR | GZNF | Pg | 11:36:55.54 | 0.27 | 306.97 | 1.67 | Manual |