This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.4 MLv |
| Local datetime | 2026/05/22 12:05 |
| Universal datetime | 2026/05/22 10:05 |
| Latitude | 45.27 ° ± 0.1 km |
| Longitude | 4.16 ° ± 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 
|
25 | 172565 |
| Firminy
|
16 | 17135 |
| Saint-Just-Saint-Rambert
|
26 | 15083 |
| Le Chambon-Feugerolles
|
19 | 12317 |
| Roche-la-Molière
|
22 | 9697 |
| Monistrol-sur-Loire
|
3 | 8718 |
| Unieux
|
17 | 8597 |
| Villars
|
27 | 7970 |
| La Ricamarie
|
22 | 7906 |
| Yssingeaux
|
15 | 7202 |
| Sury-le-Comtal
|
30 | 6552 |
| Saint-Genest-Lerpt
|
25 | 6131 |
| Saint-Priest-en-Jarez
|
28 | 6120 |
| Aurec-sur-Loire
|
12 | 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 | 0.41 |
| Azimuthal gap | 90.95 ° |
| Number of stations used | 15 |
| 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 |
|---|---|---|---|---|---|---|---|
| G | SSB | Pg | 10:05:18.36 | -0.26 | 87.96 | 0.27 | Manual |
| G | SSB | Sg | 10:05:22.45 | 0.06 | 87.96 | 0.27 | Manual |
| FR | COLF | Pg | 10:05:21.7 | 0.03 | 305.22 | 0.4 | Manual |
| FR | COLF | Sg | 10:05:27.1 | 0.4 | 305.22 | 0.4 | Manual |
| XP | FR21A | Pg | 10:05:21.16 | -0.45 | 151.16 | 0.43 | Manual |
| XP | FR21A | Sg | 10:05:27.51 | -0.1 | 151.16 | 0.43 | Manual |
| FR | SGSF | Pg | 10:05:21.57 | -0.25 | 240 | 0.44 | Manual |
| FR | SGSF | Sg | 10:05:27.88 | -0.1 | 240 | 0.44 | Manual |
| FR | LBL | Pg | 10:05:25.82 | 0.21 | 266.89 | 0.65 | Manual |
| FR | LBL | Sg | 10:05:34.66 | 0.06 | 266.89 | 0.65 | Manual |
| XP | FR22A | Pg | 10:05:25.72 | -0.39 | 202.26 | 0.67 | Manual |
| FR | OGCB | Pg | 10:05:28.61 | 0.4 | 121.95 | 0.79 | Manual |
| FR | PLDF | Pg | 10:05:28.18 | -0.1 | 331.74 | 0.79 | Manual |
| FR | PLDF | Sg | 10:05:39.64 | 0.36 | 331.74 | 0.79 | Manual |
| FR | BANN | Pg | 10:05:30.18 | -0.16 | 180.13 | 0.9 | Manual |
| FR | BANN | Sg | 10:05:42.19 | -0.69 | 180.13 | 0.9 | Manual |
| FR | CZNF | Pg | 10:05:31.55 | 0.24 | 253.33 | 0.95 | Manual |
| FR | CZNF | Sg | 10:05:44.44 | -0.14 | 253.33 | 0.95 | Manual |
| FR | OGDF | Pg | 10:05:32.23 | 0.74 | 137.48 | 0.96 | Manual |
| FR | OGDF | Sg | 10:05:45.20 | 0.33 | 137.48 | 0.96 | Manual |
| FR | CHA2 | Pg | 10:05:37.11 | 0.49 | 96.33 | 1.24 | Manual |
| FR | CHA2 | Sg | 10:05:53.51 | -0.35 | 96.33 | 1.24 | Manual |
| FR | LEUC | Pg | 10:05:37.14 | 0.36 | 246.46 | 1.25 | Manual |
| FR | LEUC | Sg | 10:05:53.48 | -0.64 | 246.46 | 1.25 | Manual |
| FR | OGMY | Pn | 10:05:37.91 | -0.61 | 62.69 | 1.36 | Manual |
| FR | OGMY | Sg | 10:05:57.2 | -0.78 | 62.69 | 1.36 | Manual |
| FR | OGVG | Pn | 10:05:39.73 | -0.11 | 107.49 | 1.46 | Manual |
| FR | OGVG | Sn | 10:06:00.33 | 0.8 | 107.49 | 1.46 | Manual |