This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.6 MLv |
| Local datetime | 2023/04/26 09:34 |
| Universal datetime | 2023/04/26 07:34 |
| Latitude | 45.26 ° ± 3 km |
| Longitude | 4.15 ° ± 2 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 
|
27 | 172565 |
| Firminy
|
18 | 17135 |
| Saint-Just-Saint-Rambert
|
27 | 15083 |
| Le Chambon-Feugerolles
|
21 | 12317 |
| Roche-la-Molière
|
24 | 9697 |
| Monistrol-sur-Loire
|
5 | 8718 |
| Unieux
|
19 | 8597 |
| Villars
|
29 | 7970 |
| La Ricamarie
|
24 | 7906 |
| Yssingeaux
|
13 | 7202 |
| Sury-le-Comtal
|
32 | 6552 |
| Saint-Genest-Lerpt
|
26 | 6131 |
| Saint-Priest-en-Jarez
|
30 | 6120 |
| Aurec-sur-Loire
|
13 | 6111 |
| Sainte-Sigolène
|
6 | 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 | 112.33 ° |
| Number of stations used | 13 |
| 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 |
|---|---|---|---|---|---|---|---|
| G | SSB | Pg | 07:34:46.44 | -0.41 | 85.07 | 0.28 | Manual |
| G | SSB | Sg | 07:34:50.67 | -0.06 | 85.07 | 0.28 | Manual |
| FR | COLF | Pg | 07:34:49.19 | 0.06 | 307.56 | 0.4 | Manual |
| FR | COLF | Sg | 07:34:54.99 | 0.27 | 307.56 | 0.4 | Manual |
| FR | LBL | Pg | 07:34:53.78 | 0.28 | 268.13 | 0.64 | Manual |
| FR | OGCB | Pg | 07:34:56.61 | 0.37 | 120.74 | 0.79 | Manual |
| FR | PLDF | Pg | 07:34:56.50 | 0 | 332.74 | 0.8 | Manual |
| FR | PLDF | Sg | 07:35:07.95 | 0.33 | 332.74 | 0.8 | Manual |
| FR | BANN | Pg | 07:34:58.29 | 0.16 | 179.59 | 0.89 | Manual |
| FR | BANN | Sg | 07:35:10.38 | -0.09 | 179.59 | 0.89 | Manual |
| XX | BNLF | Pg | 07:34:59.31 | 0.34 | 292.03 | 0.93 | Manual |
| XX | BNLF | Sg | 07:35:12.27 | 0.32 | 292.03 | 0.93 | Manual |
| FR | OGDF | Pg | 07:35:00.7 | 0.62 | 136.53 | 0.96 | Manual |
| FR | FRNF | Sg | 07:35:18.26 | 0 | 277.16 | 1.13 | Manual |
| FR | LEUC | Pn | 07:35:04.84 | -0.01 | 246.91 | 1.23 | Manual |
| FR | LEUC | Sg | 07:35:21.31 | -0.44 | 246.91 | 1.23 | Manual |
| FR | CHA2 | Pn | 07:35:04.98 | -0.03 | 95.62 | 1.25 | Manual |
| FR | CHA2 | Sg | 07:35:21.63 | -0.49 | 95.62 | 1.25 | Manual |
| FR | VERF | Pn | 07:35:05.14 | -0.21 | 293.49 | 1.27 | Manual |
| FR | VERF | Sg | 07:35:22.12 | -0.8 | 293.49 | 1.27 | Manual |
| RA | OCSJ | Sg | 07:35:22.74 | -0.22 | 309.24 | 1.27 | Manual |