This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.2 MLv |
| Local datetime | 2025/05/22 15:15 |
| Universal datetime | 2025/05/22 13:15 |
| Latitude | 45.98 ° ± 0.5 km |
| Longitude | 4.04 ° ± 0.7 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 
|
7 | 34366 |
| Montbrison
|
43 | 15641 |
| Cusset
|
47 | 12661 |
| Thiers
|
41 | 11847 |
| Riorges
|
7 | 10774 |
| Tarare
|
31 | 10582 |
| Feurs
|
31 | 8173 |
| Mably
|
12 | 7605 |
| Le Coteau
|
5 | 6872 |
| L'Arbresle
|
47 | 6398 |
| Thizy-les-Bourgs
|
23 | 6031 |
| Saint-Galmier
|
47 | 5722 |
| Chazelles-sur-Lyon
|
47 | 5357 |
| Montrond-les-Bains
|
42 | 5302 |
| Vindry-sur-Turdine
|
36 | 5133 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.33 |
| Azimuthal gap | 166.91 ° |
| Number of stations used | 6 |
| Number of phases used | 10 |
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 | 13:15:55.60 | -0.03 | 207.01 | 0.54 | Manual |
| FR | CHLF | Pg | 13:15:56.71 | 0.17 | 346.53 | 0.59 | Manual |
| FR | AGO | Pg | 13:15:57.32 | -0.11 | 276.28 | 0.64 | Manual |
| FR | AGO | Sg | 13:16:06.25 | -0.07 | 276.28 | 0.64 | Manual |
| G | SSB | Pg | 13:16:00.8 | -0.09 | 153.44 | 0.79 | Manual |
| G | SSB | Sg | 13:16:10.38 | -0.73 | 153.44 | 0.79 | Manual |
| FR | SGSF | Pg | 13:16:04.14 | 0.33 | 197.87 | 0.98 | Manual |
| FR | SGSF | Sg | 13:16:17.75 | 0.26 | 197.87 | 0.98 | Manual |
| FR | HRSF | Pg | 13:16:05.68 | 0.15 | 300.45 | 1.08 | Manual |
| FR | HRSF | Sg | 13:16:19.94 | -0.55 | 300.45 | 1.08 | Manual |