This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.3 MLv |
| Local datetime | 2025/05/27 11:38 |
| Universal datetime | 2025/05/27 09:38 |
| Latitude | 45.47 ° ± 0.3 km |
| Longitude | 3.77 ° ± 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 |
|---|---|---|
Firminy 
|
42 | 17135 |
| Montbrison
|
28 | 15641 |
| Saint-Just-Saint-Rambert
|
38 | 15083 |
| Issoire
|
41 | 14822 |
| Andrézieux-Bouthéon
|
41 | 9790 |
| Roche-la-Molière
|
44 | 9697 |
| Veauche
|
42 | 8984 |
| Monistrol-sur-Loire
|
39 | 8718 |
| Unieux
|
40 | 8597 |
| Brioude
|
36 | 6721 |
| Ambert
|
9 | 6671 |
| Sury-le-Comtal
|
33 | 6552 |
| Saint-Genest-Lerpt
|
44 | 6131 |
| Aurec-sur-Loire
|
36 | 6111 |
| Montrond-les-Bains
|
41 | 5302 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.3 |
| Azimuthal gap | 84.99 ° |
| Number of stations used | 12 |
| Number of phases used | 23 |
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 | 09:38:37.82 | -0.18 | 296.92 | 0.06 | Manual |
| FR | COLF | Sg | 09:38:38.79 | 0.01 | 296.92 | 0.06 | Manual |
| XP | FR14B | Pg | 09:38:40.32 | -0.26 | 87.88 | 0.19 | Manual |
| XP | FR14B | Sg | 09:38:43.37 | 0.08 | 87.88 | 0.19 | Manual |
| FR | SGSF | Pg | 09:38:45.0 | -0.12 | 193.67 | 0.44 | Manual |
| FR | SGSF | Sg | 09:38:50.99 | -0.25 | 193.67 | 0.44 | Manual |
| FR | LBL | Pg | 09:38:45.23 | 0.11 | 236.58 | 0.44 | Manual |
| FR | LBL | Sg | 09:38:50.69 | -0.55 | 236.58 | 0.44 | Manual |
| FR | PLDF | Pg | 09:38:46.28 | 0.02 | 348.54 | 0.5 | Manual |
| G | SSB | Pg | 09:38:47.71 | -0.05 | 109.39 | 0.58 | Manual |
| G | SSB | Sg | 09:38:55.70 | -0.15 | 109.39 | 0.58 | Manual |
| XP | FR21A | Pg | 09:38:51.10 | 0.04 | 139.96 | 0.76 | Manual |
| XP | FR21A | Sg | 09:39:01.53 | -0.08 | 139.96 | 0.76 | Manual |
| XP | FR22A | Pg | 09:38:52.51 | 0.14 | 178.19 | 0.83 | Manual |
| XP | FR22A | Sg | 09:39:03.67 | -0.22 | 178.19 | 0.83 | Manual |
| FR | VERF | Pg | 09:38:54.54 | 0.11 | 287.47 | 0.94 | Manual |
| FR | VERF | Sg | 09:39:06.77 | -0.75 | 287.47 | 0.94 | Manual |
| FR | CHLF | Pg | 09:38:57.38 | 0.26 | 2.89 | 1.09 | Manual |
| FR | CHLF | Sg | 09:39:12.15 | -0.07 | 2.89 | 1.09 | Manual |
| FR | LEUC | Pg | 09:38:58.23 | 0.54 | 230.64 | 1.12 | Manual |
| FR | LEUC | Sg | 09:39:12.90 | -0.32 | 230.64 | 1.12 | Manual |
| FR | HRSF | Pg | 09:39:00.92 | 0.13 | 325.05 | 1.28 | Manual |
| FR | HRSF | Sg | 09:39:17.98 | -0.64 | 325.05 | 1.28 | Manual |