This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.6 MLv |
| Local datetime | 2026/04/16 10:59 |
| Universal datetime | 2026/04/16 08:59 |
| Latitude | 45.32 ° ± 0.1 km |
| Longitude | 4.10 ° ± 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
|
22 | 15083 |
| Le Chambon-Feugerolles
|
20 | 12317 |
| Andrézieux-Bouthéon
|
27 | 9790 |
| Roche-la-Molière
|
21 | 9697 |
| Monistrol-sur-Loire
|
8 | 8718 |
| Unieux
|
16 | 8597 |
| Villars
|
26 | 7970 |
| La Ricamarie
|
23 | 7906 |
| Yssingeaux
|
21 | 7202 |
| Sury-le-Comtal
|
25 | 6552 |
| Saint-Genest-Lerpt
|
23 | 6131 |
| Aurec-sur-Loire
|
10 | 6111 |
| Sainte-Sigolène
|
14 | 5959 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.46 |
| Azimuthal gap | 101.19 ° |
| Number of stations used | 16 |
| Number of phases used | 35 |
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 | 08:59:55.97 | -0.16 | 239.99 | 0.1 | Manual |
| G | SSB | Pg | 08:59:59.94 | -0.2 | 98.07 | 0.32 | Manual |
| G | SSB | Sg | 09:00:04.60 | 0.04 | 98.07 | 0.32 | Manual |
| XP | FR21A | Pg | 09:00:03.56 | 0.02 | 149.67 | 0.5 | Manual |
| XP | FR21A | Sg | 09:00:10.78 | 0.28 | 149.67 | 0.5 | Manual |
| XP | FR22A | Pg | 09:00:07.57 | 0.14 | 197.22 | 0.71 | Manual |
| XP | FR22A | Sg | 09:00:16.77 | -0.52 | 197.22 | 0.71 | Manual |
| FR | PLDF | Pg | 09:00:07.46 | -0.18 | 332.76 | 0.72 | Manual |
| FR | PLDF | Sg | 09:00:18.40 | 0.73 | 332.76 | 0.72 | Manual |
| FR | OGCB | Pg | 09:00:10.77 | 0.69 | 123.44 | 0.85 | Manual |
| FR | OGCB | Sn | 09:00:25.9 | -0.72 | 123.44 | 0.85 | Manual |
| FR | BNLF | Pg | 09:00:10.68 | 0.2 | 288.69 | 0.87 | Manual |
| FR | BNLF | Pn | 09:00:11.87 | -0.69 | 288.69 | 0.87 | Manual |
| FR | BNLF | Sg | 09:00:22.49 | -0.16 | 288.69 | 0.87 | Manual |
| FR | CZNF | Pg | 09:00:11.88 | 0.4 | 249.27 | 0.93 | Manual |
| FR | CZNF | Sg | 09:00:24.39 | -0.01 | 249.27 | 0.93 | Manual |
| FR | BANN | Pg | 09:00:12.20 | 0.19 | 177.41 | 0.96 | Manual |
| FR | BANN | Sn | 09:00:27.78 | -0.48 | 177.41 | 0.96 | Manual |
| FR | OGDF | Pg | 09:00:13.11 | -0.32 | 137.66 | 1.03 | Manual |
| FR | OGDF | Pn | 09:00:14.45 | -0.26 | 137.66 | 1.03 | Manual |
| FR | OGDF | Sg | 09:00:27.41 | -0.38 | 137.66 | 1.03 | Manual |
| FR | OGDF | Sn | 09:00:29.71 | -0.37 | 137.66 | 1.03 | Manual |
| FR | VERF | Pn | 09:00:17.12 | 0 | 291.15 | 1.21 | Manual |
| FR | VERF | Sg | 09:00:32.61 | -0.95 | 291.15 | 1.21 | Manual |
| FR | LEUC | Pn | 09:00:16.94 | -0.45 | 243.26 | 1.23 | Manual |
| FR | LEUC | Pg | 09:00:17.64 | 0.54 | 243.26 | 1.23 | Manual |
| FR | LEUC | Sg | 09:00:33.96 | -0.24 | 243.26 | 1.23 | Manual |
| FR | CHLF | Pn | 09:00:16.77 | -0.83 | 351.99 | 1.25 | Manual |
| FR | CHLF | Pg | 09:00:17.80 | 0.4 | 351.99 | 1.25 | Manual |
| FR | PRABE | Pn | 09:00:18.66 | -0.26 | 93.18 | 1.34 | Manual |
| FR | PRABE | Pg | 09:00:19.86 | 0.68 | 93.18 | 1.34 | Manual |
| FR | PRABE | Sg | 09:00:37.24 | -0.62 | 93.18 | 1.34 | Manual |
| FR | HRSF | Pg | 09:00:23.21 | 0.36 | 321.36 | 1.54 | Manual |
| FR | HRSF | Sn | 09:00:42.95 | 0.78 | 321.36 | 1.54 | Manual |
| FR | GZNF | Pg | 09:00:23.58 | 0.14 | 303.3 | 1.58 | Manual |