This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.4 MLv |
| Local datetime | 2025/03/27 12:20 |
| Universal datetime | 2025/03/27 11:20 |
| Latitude | 45.65 ° ± 0.3 km |
| Longitude | 4.31 ° ± 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 |
|---|---|---|
Montbrison 
|
19 | 15641 |
| Saint-Just-Saint-Rambert
|
18 | 15083 |
| Andrézieux-Bouthéon
|
13 | 9790 |
| Veauche
|
10 | 8984 |
| Feurs
|
11 | 8173 |
| Villars
|
20 | 7970 |
| Sorbiers
|
20 | 7933 |
| La Talaudière
|
21 | 6860 |
| Saint-Jean-Bonnefonds
|
24 | 6638 |
| Sury-le-Comtal
|
15 | 6552 |
| Saint-Genest-Lerpt
|
22 | 6131 |
| Saint-Priest-en-Jarez
|
20 | 6120 |
| Saint-Galmier
|
5 | 5722 |
| Chazelles-sur-Lyon
|
6 | 5357 |
| Montrond-les-Bains
|
5 | 5302 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.31 |
| Azimuthal gap | 46.83 ° |
| Number of stations used | 19 |
| Number of phases used | 36 |
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 |
|---|---|---|---|---|---|---|---|
| G | SSB | Pg | 11:21:07.22 | -0.19 | 155.89 | 0.41 | Manual |
| G | SSB | Sg | 11:21:13.12 | 0.06 | 155.89 | 0.41 | Manual |
| FR | COLF | Pg | 11:21:08.36 | 0.03 | 251.02 | 0.46 | Manual |
| FR | COLF | Sg | 11:21:14.74 | 0.06 | 251.02 | 0.46 | Manual |
| FR | PLDF | Pg | 11:21:10.39 | -0.12 | 303.59 | 0.57 | Manual |
| FR | OGRV | Pg | 11:21:13.79 | -0.23 | 23.87 | 0.76 | Manual |
| FR | OGRV | Sg | 11:21:24.82 | 0.19 | 23.87 | 0.76 | Manual |
| XP | FR21A | Pg | 11:21:14.18 | 0.1 | 172.28 | 0.76 | Manual |
| XP | FR21A | Sg | 11:21:24.54 | -0.18 | 172.28 | 0.76 | Manual |
| FR | SGSF | Pg | 11:21:14.26 | 0.02 | 219.11 | 0.77 | Manual |
| FR | SGSF | Sg | 11:21:24.90 | -0.1 | 219.11 | 0.77 | Manual |
| FR | LBL | Pg | 11:21:15.86 | 0.08 | 241.11 | 0.86 | Manual |
| FR | LBL | Sg | 11:21:27.38 | -0.31 | 241.11 | 0.86 | Manual |
| FR | AGO | Pg | 11:21:17.9 | 0.25 | 296.38 | 0.91 | Manual |
| FR | AGO | Sg | 11:21:29.88 | 0.33 | 296.38 | 0.91 | Manual |
| FR | CHLF | Pg | 11:21:18.23 | 0.46 | 340.66 | 0.96 | Manual |
| FR | CHLF | Sg | 11:21:30.96 | -0.22 | 340.66 | 0.96 | Manual |
| FR | OG35 | Pg | 11:21:18.27 | 0.43 | 65.48 | 0.97 | Manual |
| FR | OG35 | Sg | 11:21:31.54 | 0.23 | 65.48 | 0.97 | Manual |
| FR | OGCB | Pg | 11:21:18.34 | 0.35 | 144.83 | 0.98 | Manual |
| FR | OGCB | Sg | 11:21:31.93 | 0.38 | 144.83 | 0.98 | Manual |
| FR | CMPS | Pg | 11:21:18.79 | 0.53 | 257.96 | 0.99 | Manual |
| FR | CMPS | Sg | 11:21:32.19 | 0.15 | 257.96 | 0.99 | Manual |
| FR | OGMY | Pg | 11:21:20.79 | -0.1 | 77.65 | 1.13 | Manual |
| FR | OGMY | Sg | 11:21:36.75 | 0.13 | 77.65 | 1.13 | Manual |
| FR | OGS3 | Pn | 11:21:22.51 | -0.17 | 118.24 | 1.21 | Manual |
| FR | OGS3 | Sg | 11:21:38.75 | -0.29 | 118.24 | 1.21 | Manual |
| FR | CZNF | Pg | 11:21:22.73 | 0.4 | 237.38 | 1.21 | Manual |
| FR | CZNF | Sg | 11:21:38.97 | -0.17 | 237.38 | 1.21 | Manual |
| FR | OGDF | Pn | 11:21:22.62 | -0.24 | 153.45 | 1.22 | Manual |
| FR | OGDF | Sg | 11:21:39.16 | -0.31 | 153.45 | 1.22 | Manual |
| FR | VERF | Pn | 11:21:23.1 | -0.71 | 275.12 | 1.28 | Manual |
| FR | HRSF | Pn | 11:21:24.86 | -0.68 | 308.5 | 1.42 | Manual |
| FR | HRSF | Sn | 11:21:44.72 | -0.09 | 308.5 | 1.42 | Manual |
| FR | LEUC | Pn | 11:21:26.71 | -0.31 | 234.95 | 1.53 | Manual |
| FR | LEUC | Sn | 11:21:47.93 | 0.54 | 234.95 | 1.53 | Manual |