This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 1 MLv |
| Local datetime | 2025/04/04 07:28 |
| Universal datetime | 2025/04/04 05:28 |
| Latitude | 45.44 ° ± 0.5 km |
| Longitude | 4.02 ° ± 0.4 km |
| Depth | 11 km (from location) ± 0.9 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Firminy 
|
22 | 17135 |
| Montbrison
|
18 | 15641 |
| Saint-Just-Saint-Rambert
|
19 | 15083 |
| Le Chambon-Feugerolles
|
25 | 12317 |
| Andrézieux-Bouthéon
|
22 | 9790 |
| Roche-la-Molière
|
24 | 9697 |
| Veauche
|
25 | 8984 |
| Monistrol-sur-Loire
|
21 | 8718 |
| Unieux
|
20 | 8597 |
| Villars
|
26 | 7970 |
| Ambert
|
24 | 6671 |
| Sury-le-Comtal
|
17 | 6552 |
| Saint-Genest-Lerpt
|
24 | 6131 |
| Aurec-sur-Loire
|
17 | 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 | 0.29 |
| Azimuthal gap | 92.44 ° |
| Number of stations used | 9 |
| Number of phases used | 18 |
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 | FR14B | Pg | 05:28:27.39 | 0.09 | 21.58 | 0.04 | Manual |
| XP | FR14B | Sg | 05:28:29.3 | 0.11 | 21.58 | 0.04 | Manual |
| XP | FR16A | Pg | 05:28:28.55 | -0.34 | 191.74 | 0.17 | Manual |
| XP | FR16A | Sg | 05:28:31.93 | 0.25 | 191.74 | 0.17 | Manual |
| FR | COLF | Pg | 05:28:29.97 | 0.06 | 283.77 | 0.24 | Manual |
| FR | COLF | Sg | 05:28:33.47 | 0 | 283.77 | 0.24 | Manual |
| G | SSB | Pg | 05:28:32.85 | 0.02 | 114.02 | 0.4 | Manual |
| G | SSB | Sg | 05:28:38.38 | -0.2 | 114.02 | 0.4 | Manual |
| FR | SGSF | Pg | 05:28:34.43 | 0.07 | 215.76 | 0.49 | Manual |
| FR | SGSF | Sg | 05:28:41.17 | -0.1 | 215.76 | 0.49 | Manual |
| FR | LBL | Pg | 05:28:36.39 | 0.23 | 248.99 | 0.59 | Manual |
| FR | LBL | Sg | 05:28:44.3 | -0.37 | 248.99 | 0.59 | Manual |
| FR | PLDF | Pg | 05:28:36.21 | -0.02 | 331.96 | 0.59 | Manual |
| FR | PLDF | Sg | 05:28:43.85 | -0.68 | 331.96 | 0.59 | Manual |
| XP | FR21A | Pg | 05:28:37.8 | 0.12 | 150.95 | 0.63 | Manual |
| XP | FR21A | Sg | 05:28:45.45 | -0.35 | 150.95 | 0.63 | Manual |
| FR | CZNF | Pg | 05:28:42.65 | 0.27 | 241.14 | 0.93 | Manual |
| FR | CZNF | Sg | 05:28:54.68 | -0.62 | 241.14 | 0.93 | Manual |