This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.4 MLv |
| Local datetime | 2025/03/04 10:50 |
| Universal datetime | 2025/03/04 09:50 |
| Latitude | 45.75 ° ± 0.5 km |
| Longitude | 3.98 ° ± 0.6 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 |
|---|---|---|
Roanne 
|
33 | 34366 |
| Montbrison
|
19 | 15641 |
| Saint-Just-Saint-Rambert
|
36 | 15083 |
| Thiers
|
36 | 11847 |
| Riorges
|
32 | 10774 |
| Tarare
|
38 | 10582 |
| Andrézieux-Bouthéon
|
34 | 9790 |
| Veauche
|
32 | 8984 |
| Feurs
|
19 | 8173 |
| Le Coteau
|
30 | 6872 |
| Ambert
|
28 | 6671 |
| Sury-le-Comtal
|
28 | 6552 |
| Saint-Galmier
|
31 | 5722 |
| Chazelles-sur-Lyon
|
34 | 5357 |
| Montrond-les-Bains
|
24 | 5302 |
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 | 124 ° |
| Number of stations used | 4 |
| Number of phases used | 7 |
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 | COLF | Pg | 09:50:56.75 | 0.12 | 218.51 | 0.33 | Manual |
| FR | COLF | Sg | 09:51:01.52 | 0.37 | 218.51 | 0.33 | Manual |
| FR | PLDF | Pg | 09:50:56.51 | -0.16 | 310.09 | 0.33 | Manual |
| FR | PLDF | Sg | 09:51:01.56 | 0.34 | 310.09 | 0.33 | Manual |
| FR | OGGL | Pg | 09:50:59.26 | 0.17 | 74.09 | 0.46 | Manual |
| XP | FR16A | Pg | 09:50:59.8 | -0.46 | 180.94 | 0.48 | Manual |
| XP | FR16A | Sg | 09:51:06.87 | 0.63 | 180.94 | 0.48 | Manual |