This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.4 MLv |
| Local datetime | 2026/05/28 11:30 |
| Universal datetime | 2026/05/28 09:30 |
| Latitude | 45.63 ° ± 0.1 km |
| Longitude | 4.42 ° ± 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-Chamond 
|
19 | 34967 |
| Rive-de-Gier
|
20 | 15184 |
| Andrézieux-Bouthéon
|
15 | 9790 |
| Veauche
|
13 | 8984 |
| Feurs
|
19 | 8173 |
| Villars
|
19 | 7970 |
| Sorbiers
|
15 | 7933 |
| La Talaudière
|
17 | 6860 |
| Saint-Jean-Bonnefonds
|
20 | 6638 |
| Saint-Priest-en-Jarez
|
18 | 6120 |
| Mornant
|
20 | 5938 |
| Saint-Galmier
|
9 | 5722 |
| Chazelles-sur-Lyon
|
3 | 5357 |
| Montrond-les-Bains
|
14 | 5302 |
| La Grand-Croix
|
18 | 5136 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.47 |
| Azimuthal gap | 62.01 ° |
| Number of stations used | 17 |
| Number of phases used | 26 |
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 |
|---|---|---|---|---|---|---|---|
| FR | OGGL | Pg | 09:30:45.65 | 0.26 | 29.1 | 0.28 | Manual |
| XP | FR14B | Pg | 09:30:45.73 | -0.1 | 240.09 | 0.3 | Manual |
| XP | FR14B | Sg | 09:30:49.36 | -0.7 | 240.09 | 0.3 | Manual |
| G | SSB | Pg | 09:30:46.19 | -0.78 | 165.96 | 0.37 | Manual |
| FR | COLF | Pg | 09:30:49.57 | -0.37 | 255.5 | 0.52 | Manual |
| XP | FR08A | Pg | 09:30:51.49 | 0.07 | 340.4 | 0.61 | Manual |
| FR | PLDF | Pg | 09:30:51.57 | -0.62 | 301.1 | 0.65 | Manual |
| FR | PLDF | Sg | 09:31:00.44 | -0.75 | 301.1 | 0.65 | Manual |
| FR | OGRV | Pg | 09:30:53.91 | -0.21 | 18.08 | 0.75 | Manual |
| FR | SGSF | Pg | 09:30:55.58 | 0.3 | 224.11 | 0.81 | Manual |
| FR | SGSF | Sg | 09:31:06.22 | -0.36 | 224.11 | 0.81 | Manual |
| FR | OGSM | Pg | 09:30:56.51 | -0.38 | 91.1 | 0.9 | Manual |
| FR | OGSM | Sn | 09:31:13.63 | 0.77 | 91.1 | 0.9 | Manual |
| FR | LBL | Pg | 09:30:57.88 | 0.65 | 244.39 | 0.92 | Manual |
| FR | OGCB | Pn | 09:30:59.55 | 0.43 | 148.24 | 0.92 | Manual |
| FR | OGCB | Sg | 09:31:09.54 | -0.51 | 148.24 | 0.92 | Manual |
| FR | OGCB | Sn | 09:31:13.44 | 0.11 | 148.24 | 0.92 | Manual |
| XP | FR06A | Pg | 09:30:59.32 | 0.46 | 318.14 | 1.01 | Manual |
| XP | FR06A | Sg | 09:31:13.3 | 0.18 | 318.14 | 1.01 | Manual |
| FR | CHLF | Pg | 09:30:59.14 | 0.25 | 336.92 | 1.01 | Manual |
| FR | CHLF | Sg | 09:31:12.53 | -0.36 | 336.92 | 1.01 | Manual |
| FR | GRN | Sn | 09:31:16.36 | 0.79 | 112.3 | 1.01 | Manual |
| FR | CMPS | Pg | 09:31:00.3 | 0.11 | 259.76 | 1.06 | Manual |
| XP | FR22A | Pg | 09:31:00.86 | 0.62 | 203.99 | 1.08 | Manual |
| XP | FR22A | Sg | 09:31:15.16 | -0.08 | 203.99 | 1.08 | Manual |
| FR | VERF | Pg | 09:31:05.4 | -0.41 | 275.59 | 1.36 | Manual |