This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.7 MLv |
| Local datetime | 2026/03/27 11:36 |
| Universal datetime | 2026/03/27 10:36 |
| Latitude | 45.19 ° ± 0.1 km |
| Longitude | 4.15 ° ± 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 
|
32 | 172565 |
| Le Puy-en-Velay
|
27 | 18995 |
| Firminy
|
24 | 17135 |
| Saint-Just-Saint-Rambert
|
35 | 15083 |
| Le Chambon-Feugerolles
|
27 | 12317 |
| Roche-la-Molière
|
30 | 9697 |
| Monistrol-sur-Loire
|
12 | 8718 |
| Unieux
|
26 | 8597 |
| Villars
|
35 | 7970 |
| La Ricamarie
|
30 | 7906 |
| Yssingeaux
|
6 | 7202 |
| Saint-Genest-Lerpt
|
33 | 6131 |
| Saint-Priest-en-Jarez
|
37 | 6120 |
| Aurec-sur-Loire
|
21 | 6111 |
| Sainte-Sigolène
|
9 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.22 |
| Azimuthal gap | 85.98 ° |
| Number of stations used | 16 |
| Number of phases used | 28 |
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 | Pg | 10:36:22.66 | -0.18 | 304.28 | 0.15 | Manual |
| G | SSB | Pg | 10:36:25.55 | 0.12 | 71.58 | 0.29 | Manual |
| G | SSB | Sg | 10:36:29.76 | 0.26 | 71.58 | 0.29 | Manual |
| XP | FR14B | Sg | 10:36:30.12 | 0.24 | 345.6 | 0.3 | Manual |
| XP | FR21A | Pg | 10:36:26.70 | -0.08 | 143.91 | 0.36 | Manual |
| XP | FR21A | Sg | 10:36:32.16 | 0.29 | 143.91 | 0.36 | Manual |
| FR | COLF | Pg | 10:36:28.10 | -0.23 | 314.41 | 0.45 | Manual |
| FR | COLF | Sg | 10:36:34.87 | 0.3 | 314.41 | 0.45 | Manual |
| FR | LBL | Pg | 10:36:31.98 | 0.08 | 274.26 | 0.64 | Manual |
| FR | LBL | Sg | 10:36:40.96 | 0.16 | 274.26 | 0.64 | Manual |
| FR | PLDF | Pg | 10:36:35.93 | -0.07 | 334.75 | 0.86 | Manual |
| FR | PLDF | Sg | 10:36:48.39 | 0.41 | 334.75 | 0.86 | Manual |
| FR | CMPS | Pg | 10:36:36.51 | -0.1 | 286.53 | 0.89 | Manual |
| FR | CMPS | Pn | 10:36:38.43 | -0.17 | 286.53 | 0.89 | Manual |
| FR | CMPS | Sg | 10:36:49.21 | 0.16 | 286.53 | 0.89 | Manual |
| FR | OGDF | Pn | 10:36:38.65 | -0.15 | 133.62 | 0.91 | Manual |
| FR | CZNF | Pn | 10:36:38.73 | -0.3 | 258.1 | 0.93 | Manual |
| FR | BNLF | Pg | 10:36:37.85 | -0.01 | 295.78 | 0.96 | Manual |
| FR | BNLF | Sg | 10:36:50.84 | -0.39 | 295.78 | 0.96 | Manual |
| XP | FR29A | Pg | 10:36:39.58 | -0.12 | 202.41 | 1.06 | Manual |
| XP | FR29A | Sg | 10:36:54.51 | 0.06 | 202.41 | 1.06 | Manual |
| FR | TRBF | Pg | 10:36:40.40 | 0.13 | 187.23 | 1.09 | Manual |
| FR | TRBF | Sg | 10:36:55.44 | 0 | 187.23 | 1.09 | Manual |
| FR | AGO | Pg | 10:36:41.9 | 0.28 | 320.74 | 1.12 | Manual |
| FR | AGO | Sg | 10:36:56.11 | -0.28 | 320.74 | 1.12 | Manual |
| FR | FRNF | Pg | 10:36:41.50 | 0.34 | 280.57 | 1.14 | Manual |
| FR | LEUC | Pg | 10:36:42.80 | 0.31 | 249.91 | 1.21 | Manual |
| FR | LEUC | Sg | 10:36:59.25 | -0.07 | 249.91 | 1.21 | Manual |