This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.4 MLv |
| Local datetime | 2025/04/01 10:37 |
| Universal datetime | 2025/04/01 08:37 |
| Latitude | 45.14 ° ± 0.4 km |
| Longitude | 4.33 ° ± 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 
|
32 | 172565 |
| Le Puy-en-Velay
|
36 | 18995 |
| Firminy
|
26 | 17135 |
| Annonay
|
28 | 16345 |
| Le Chambon-Feugerolles
|
27 | 12317 |
| Roche-la-Molière
|
31 | 9697 |
| Monistrol-sur-Loire
|
20 | 8718 |
| Unieux
|
30 | 8597 |
| Villars
|
36 | 7970 |
| La Ricamarie
|
29 | 7906 |
| Yssingeaux
|
16 | 7202 |
| Saint-Jean-Bonnefonds
|
36 | 6638 |
| Saint-Genest-Lerpt
|
35 | 6131 |
| Aurec-sur-Loire
|
27 | 6111 |
| Sainte-Sigolène
|
14 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.36 |
| Azimuthal gap | 99.24 ° |
| Number of stations used | 13 |
| Number of phases used | 22 |
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 | 08:37:23.31 | -0.64 | 47.95 | 0.2 | Manual |
| G | SSB | Sg | 08:37:26.27 | -0.49 | 47.95 | 0.2 | Manual |
| XP | FR21A | Pg | 08:37:24.57 | -0.56 | 160.94 | 0.27 | Manual |
| XP | FR21A | Sg | 08:37:28.75 | -0.09 | 160.94 | 0.27 | Manual |
| XP | FR16A | Pg | 08:37:25.41 | -0.07 | 297.17 | 0.28 | Manual |
| XP | FR16A | Sg | 08:37:29.93 | 0.49 | 297.17 | 0.28 | Manual |
| FR | COLF | Pg | 08:37:30.74 | -0.09 | 308.71 | 0.57 | Manual |
| FR | OGCB | Pg | 08:37:32.0 | 0.32 | 118.06 | 0.62 | Manual |
| XP | FR22A | Pg | 08:37:31.54 | -0.22 | 217.19 | 0.62 | Manual |
| XP | FR22A | Sg | 08:37:40.24 | -0.19 | 217.19 | 0.62 | Manual |
| FR | LBL | Pg | 08:37:34.60 | 0.08 | 276.91 | 0.77 | Manual |
| FR | LBL | Sg | 08:37:45.57 | 0.32 | 276.91 | 0.77 | Manual |
| FR | BANN | Pg | 08:37:34.37 | -0.4 | 189.1 | 0.78 | Manual |
| FR | BANN | Sg | 08:37:45.33 | -0.34 | 189.1 | 0.78 | Manual |
| FR | CMPS | Pg | 08:37:39.38 | 0.08 | 286.96 | 1.03 | Manual |
| FR | CMPS | Sg | 08:37:53.83 | 0.22 | 286.96 | 1.03 | Manual |
| FR | TRBF | Pg | 08:37:40.16 | 0.06 | 194.43 | 1.07 | Manual |
| FR | TRBF | Sg | 08:37:55.21 | 0.21 | 194.43 | 1.07 | Manual |
| FR | OGCC | Pg | 08:37:41.85 | 0.76 | 128.99 | 1.13 | Manual |
| FR | OGVG | Pg | 08:37:44.85 | 0.37 | 103.92 | 1.31 | Manual |
| FR | LEUC | Pg | 08:37:44.96 | 0.3 | 253.72 | 1.32 | Manual |
| FR | LEUC | Sg | 08:38:02.62 | -0.38 | 253.72 | 1.32 | Manual |