This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.5 MLv |
| Local datetime | 2025/04/25 11:53 |
| Universal datetime | 2025/04/25 09:53 |
| Latitude | 45.05 ° ± 0.3 km |
| Longitude | 4.02 ° ± 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 
|
51 | 172565 |
| Le Puy-en-Velay
|
10 | 18995 |
| Firminy
|
42 | 17135 |
| Annonay
|
54 | 16345 |
| Saint-Just-Saint-Rambert
|
52 | 15083 |
| Le Chambon-Feugerolles
|
45 | 12317 |
| Roche-la-Molière
|
48 | 9697 |
| Monistrol-sur-Loire
|
30 | 8718 |
| Unieux
|
44 | 8597 |
| Villars
|
53 | 7970 |
| La Ricamarie
|
48 | 7906 |
| Yssingeaux
|
13 | 7202 |
| Saint-Genest-Lerpt
|
51 | 6131 |
| Aurec-sur-Loire
|
38 | 6111 |
| Sainte-Sigolène
|
27 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.3 |
| Azimuthal gap | 55.85 ° |
| Number of stations used | 20 |
| 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 |
|---|---|---|---|---|---|---|---|
| FR | SGSF | Pg | 09:53:15.74 | -0.42 | 269.85 | 0.28 | Manual |
| FR | SGSF | Sg | 09:53:19.84 | -0.28 | 269.85 | 0.28 | Manual |
| XP | FR14B | Pg | 09:53:18.83 | -0.09 | 2.07 | 0.43 | Manual |
| XP | FR14B | Sg | 09:53:25.35 | 0.4 | 2.07 | 0.43 | Manual |
| G | SSB | Pg | 09:53:18.87 | -0.1 | 57.92 | 0.44 | Manual |
| G | SSB | Sg | 09:53:25.32 | 0.29 | 57.92 | 0.44 | Manual |
| FR | COLF | Pg | 09:53:20.22 | -0.08 | 333.1 | 0.51 | Manual |
| FR | COLF | Sg | 09:53:27.57 | 0.23 | 333.1 | 0.51 | Manual |
| FR | LBL | Pg | 09:53:21.31 | -0.3 | 288.69 | 0.58 | Manual |
| FR | LBL | Sg | 09:53:29.81 | 0.17 | 288.69 | 0.58 | Manual |
| FR | BANN | Pg | 09:53:23.21 | -0.44 | 171.79 | 0.69 | Manual |
| FR | BANN | Sg | 09:53:32.85 | -0.36 | 171.79 | 0.69 | Manual |
| FR | OGCB | Pg | 09:53:25.63 | 0.06 | 104.19 | 0.79 | Manual |
| FR | CZNF | Pg | 09:53:25.70 | -0.35 | 266.21 | 0.82 | Manual |
| FR | CMPS | Pg | 09:53:26.93 | 0.06 | 297.07 | 0.86 | Manual |
| FR | CMPS | Sg | 09:53:39.12 | 0.28 | 297.07 | 0.86 | Manual |
| FR | TRBF | Pg | 09:53:28.41 | -0.03 | 182.66 | 0.94 | Manual |
| FR | PLDF | Pg | 09:53:28.41 | -0.27 | 343.19 | 0.96 | Manual |
| FR | PLDF | Sg | 09:53:42.21 | 0.21 | 343.19 | 0.96 | Manual |
| XP | FR28A | Pg | 09:53:29.50 | -0.12 | 219.38 | 1.01 | Manual |
| XP | FR28A | Sg | 09:53:44.10 | 0.45 | 219.38 | 1.01 | Manual |
| FR | LEUC | Pg | 09:53:31.46 | 0.49 | 255.04 | 1.08 | Manual |
| FR | LEUC | Sg | 09:53:45.97 | -0.03 | 255.04 | 1.08 | Manual |
| FR | FRNF | Pg | 09:53:31.52 | 0.49 | 288.58 | 1.08 | Manual |
| FR | FRNF | Sg | 09:53:45.89 | -0.22 | 288.58 | 1.08 | Manual |
| FR | AGO | Pg | 09:53:33.0 | 0.2 | 328.38 | 1.18 | Manual |
| FR | AGO | Sg | 09:53:49.17 | -0.04 | 328.38 | 1.18 | Manual |
| FR | LAJAS | Pg | 09:53:33.45 | -0.13 | 208.17 | 1.22 | Manual |
| FR | LAJAS | Sg | 09:53:51.9 | 0.53 | 208.17 | 1.22 | Manual |
| FR | GRN | Pn | 09:53:33.88 | -0.23 | 80.43 | 1.24 | Manual |
| FR | OGCC | Pn | 09:53:34.81 | 0.44 | 119.07 | 1.25 | Manual |
| FR | VERF | Sg | 09:53:52.58 | -0.2 | 303.48 | 1.29 | Manual |
| XP | FR34A | Pn | 09:53:36.80 | 0.38 | 200.15 | 1.41 | Manual |
| XP | FR34A | Sn | 09:53:55.89 | 0.32 | 200.15 | 1.41 | Manual |