This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.3 MLv |
| Local datetime | 2026/03/11 12:16 |
| Universal datetime | 2026/03/11 11:16 |
| Latitude | 45.26 ° ± 0.1 km |
| Longitude | 4.18 ° ± 0.1 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 |
|---|---|---|
Saint-Étienne 
|
24 | 172565 |
| Firminy
|
15 | 17135 |
| Saint-Just-Saint-Rambert
|
26 | 15083 |
| Le Chambon-Feugerolles
|
18 | 12317 |
| Roche-la-Molière
|
21 | 9697 |
| Monistrol-sur-Loire
|
3 | 8718 |
| Unieux
|
17 | 8597 |
| Villars
|
27 | 7970 |
| La Ricamarie
|
22 | 7906 |
| Yssingeaux
|
14 | 7202 |
| Saint-Jean-Bonnefonds
|
30 | 6638 |
| Saint-Genest-Lerpt
|
24 | 6131 |
| Saint-Priest-en-Jarez
|
28 | 6120 |
| Aurec-sur-Loire
|
12 | 6111 |
| Sainte-Sigolène
|
4 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.28 |
| Azimuthal gap | 88.73 ° |
| Number of stations used | 14 |
| Number of phases used | 21 |
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 | FR16A | Sg | 11:16:35.85 | 0.38 | 273.79 | 0.15 | Manual |
| G | SSB | Pg | 11:16:35.68 | 0.18 | 86.47 | 0.26 | Manual |
| FR | COLF | Pg | 11:16:38.29 | -0.13 | 304.92 | 0.41 | Manual |
| FR | COLF | Sg | 11:16:44.12 | -0.07 | 304.92 | 0.41 | Manual |
| XP | FR21A | Pg | 11:16:38.38 | -0.12 | 152.31 | 0.42 | Manual |
| XP | FR21A | Sg | 11:16:44.56 | 0.22 | 152.31 | 0.42 | Manual |
| FR | SGSF | Pg | 11:16:38.81 | -0.27 | 241.53 | 0.45 | Manual |
| FR | SGSF | Sg | 11:16:45.46 | 0.1 | 241.53 | 0.45 | Manual |
| FR | LBL | Pg | 11:16:43.21 | 0.26 | 267.51 | 0.66 | Manual |
| FR | LBL | Sg | 11:16:52.46 | 0.35 | 267.51 | 0.66 | Manual |
| XP | FR22A | Pg | 11:16:42.98 | -0.23 | 203.5 | 0.67 | Manual |
| XP | FR23A | Sg | 11:16:57.1 | 0.44 | 228.6 | 0.8 | Manual |
| FR | PLDF | Pg | 11:16:45.82 | 0.21 | 331.16 | 0.8 | Manual |
| FR | PLDF | Sg | 11:16:56.44 | -0.33 | 331.16 | 0.8 | Manual |
| FR | BANN | Pg | 11:16:47.72 | 0.38 | 180.97 | 0.89 | Manual |
| FR | BANN | Sg | 11:16:59.73 | -0.06 | 180.97 | 0.89 | Manual |
| XP | FR08A | Pn | 11:16:49.64 | -0.29 | 357.75 | 0.94 | Manual |
| FR | BNLF | Sg | 11:17:02.2 | 0.48 | 291.12 | 0.95 | Manual |
| FR | OGDF | Sn | 11:17:04.18 | -0.39 | 137.81 | 0.95 | Manual |
| FR | TRBF | Pg | 11:16:52.43 | 0 | 187.75 | 1.17 | Manual |
| FR | TRBF | Sg | 11:17:08.41 | -0.28 | 187.75 | 1.17 | Manual |