This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.2 MLv |
| Local datetime | 2022/04/06 11:33 |
| Universal datetime | 2022/04/06 09:33 |
| Latitude | 45.25 ° ± 7 km |
| Longitude | 4.17 ° ± 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 |
|---|---|---|
Saint-Étienne 
|
26 | 172565 |
| Firminy
|
17 | 17135 |
| Saint-Just-Saint-Rambert
|
28 | 15083 |
| Le Chambon-Feugerolles
|
20 | 12317 |
| Roche-la-Molière
|
23 | 9697 |
| Monistrol-sur-Loire
|
5 | 8718 |
| Unieux
|
19 | 8597 |
| Villars
|
28 | 7970 |
| La Ricamarie
|
23 | 7906 |
| Yssingeaux
|
13 | 7202 |
| Saint-Jean-Bonnefonds
|
32 | 6638 |
| Saint-Genest-Lerpt
|
26 | 6131 |
| Saint-Priest-en-Jarez
|
30 | 6120 |
| Aurec-sur-Loire
|
14 | 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 | 0.34 |
| Azimuthal gap | 174.27 ° |
| Number of stations used | 5 |
| Number of phases used | 9 |
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 | 09:33:41.24 | -0.27 | 83.16 | 0.26 | Manual |
| G | SSB | Sg | 09:33:45.61 | 0.46 | 83.16 | 0.26 | Manual |
| FR | SGSF | Pg | 09:33:44.58 | -0.24 | 243.09 | 0.44 | Manual |
| FR | SGSF | Sg | 09:33:51.15 | 0.2 | 243.09 | 0.44 | Manual |
| FR | LBL | Pg | 09:33:48.80 | 0 | 268.89 | 0.65 | Manual |
| FR | OGCB | Pg | 09:33:51.18 | 0.3 | 120.98 | 0.77 | Manual |
| FR | OGCB | Sn | 09:34:05.55 | -0.6 | 120.98 | 0.77 | Manual |
| FR | TRBF | Pg | 09:33:57.84 | -0.23 | 187.7 | 1.15 | Manual |
| FR | TRBF | Sn | 09:34:15.71 | 0.38 | 187.7 | 1.15 | Manual |