This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.6 MLv |
| Local datetime | 2025/05/27 11:42 |
| Universal datetime | 2025/05/27 09:42 |
| Latitude | 45.05 ° ± 0.3 km |
| Longitude | 4.17 ° ± 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 
|
46 | 172565 |
| Le Puy-en-Velay
|
22 | 18995 |
| Firminy
|
38 | 17135 |
| Annonay
|
44 | 16345 |
| Le Chambon-Feugerolles
|
40 | 12317 |
| Roche-la-Molière
|
44 | 9697 |
| Monistrol-sur-Loire
|
27 | 8718 |
| Unieux
|
41 | 8597 |
| Privas
|
49 | 8266 |
| Villars
|
49 | 7970 |
| La Ricamarie
|
42 | 7906 |
| Yssingeaux
|
10 | 7202 |
| Saint-Genest-Lerpt
|
47 | 6131 |
| Aurec-sur-Loire
|
36 | 6111 |
| Sainte-Sigolène
|
23 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.42 |
| Azimuthal gap | 71.33 ° |
| Number of stations used | 15 |
| Number of phases used | 25 |
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 |
|---|---|---|---|---|---|---|---|
| XP | FR21A | Pg | 09:42:15.67 | -0.76 | 127.81 | 0.25 | Manual |
| XP | FR21A | Sg | 09:42:19.66 | -0.31 | 127.81 | 0.25 | Manual |
| G | SSB | Pg | 09:42:17.73 | -0.47 | 48.81 | 0.35 | Manual |
| G | SSB | Sg | 09:42:23.4 | -0.04 | 48.81 | 0.35 | Manual |
| FR | SGSF | Pg | 09:42:18.78 | -0.15 | 270.03 | 0.39 | Manual |
| FR | SGSF | Sg | 09:42:24.76 | 0.41 | 270.03 | 0.39 | Manual |
| XP | FR22A | Pg | 09:42:20.24 | -0.36 | 213.07 | 0.48 | Manual |
| FR | COLF | Pg | 09:42:21.90 | -0.24 | 323.6 | 0.56 | Manual |
| FR | LBL | Pg | 09:42:24.78 | 0.5 | 285.96 | 0.68 | Manual |
| FR | OGDF | Pg | 09:42:26.76 | 0.06 | 127.16 | 0.81 | Manual |
| FR | TRBF | Pg | 09:42:29.33 | -0.11 | 189.09 | 0.95 | Manual |
| FR | TRBF | Sg | 09:42:42.56 | -0.16 | 189.09 | 0.95 | Manual |
| FR | PLDF | Pg | 09:42:29.97 | -0.18 | 337.48 | 0.99 | Manual |
| FR | PLDF | Sg | 09:42:44.28 | 0.31 | 337.48 | 0.99 | Manual |
| FR | GRN | Pg | 09:42:32.94 | 0.22 | 79.64 | 1.13 | Manual |
| FR | GRN | Sg | 09:42:48.85 | 0.39 | 79.64 | 1.13 | Manual |
| FR | OGCC | Pg | 09:42:34.28 | 0.97 | 121.69 | 1.16 | Manual |
| FR | LEUC | Pg | 09:42:34.8 | 0.41 | 256.47 | 1.18 | Manual |
| FR | LEUC | Sg | 09:42:49.58 | -0.54 | 256.47 | 1.18 | Manual |
| FR | FRNF | Pg | 09:42:34.11 | 0.4 | 287.07 | 1.18 | Manual |
| FR | FRNF | Sg | 09:42:49.58 | -0.6 | 287.07 | 1.18 | Manual |
| FR | VERF | Pn | 09:42:36.67 | -0.19 | 301.17 | 1.38 | Manual |
| FR | VERF | Sg | 09:42:56.11 | -0.38 | 301.17 | 1.38 | Manual |
| FR | HRSF | Pg | 09:42:45.9 | 0.27 | 325.64 | 1.79 | Manual |
| FR | HRSF | Sg | 09:43:09.10 | -0.57 | 325.64 | 1.79 | Manual |