This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.3 MLv |
| Local datetime | 2026/04/21 14:03 |
| Universal datetime | 2026/04/21 12:03 |
| Latitude | 45.62 ° ± 0.1 km |
| Longitude | 3.62 ° ± 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 |
|---|---|---|
Clermont-Ferrand 
|
44 | 143886 |
| Cournon-d'Auvergne
|
37 | 20043 |
| Montbrison
|
35 | 15641 |
| Issoire
|
31 | 14822 |
| Thiers
|
28 | 11847 |
| Pont-du-Château
|
36 | 11441 |
| Gerzat
|
43 | 10365 |
| Aubière
|
42 | 10061 |
| Lempdes
|
38 | 8409 |
| Romagnat
|
43 | 7705 |
| Brioude
|
40 | 6721 |
| Ambert
|
13 | 6671 |
| Lezoux
|
30 | 6152 |
| Le Cendre
|
35 | 5426 |
| Vic-le-Comte
|
30 | 5197 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.4 |
| Azimuthal gap | 105.65 ° |
| Number of stations used | 15 |
| 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 |
|---|---|---|---|---|---|---|---|
| FR | COLF | Pg | 12:03:59.98 | -0.47 | 157.38 | 0.13 | Manual |
| XP | FR14B | Pg | 12:04:03.83 | -0.27 | 114.85 | 0.32 | Manual |
| FR | PLDF | Pg | 12:04:04.43 | -0.08 | 359.87 | 0.35 | Manual |
| FR | PLDF | Sg | 12:04:09.98 | 0.65 | 359.87 | 0.35 | Manual |
| FR | LBL | Pg | 12:04:06.80 | 0 | 214.64 | 0.47 | Manual |
| FR | AGO | Pg | 12:04:07.81 | -0.51 | 321.61 | 0.55 | Manual |
| G | SSB | Pg | 12:04:11.52 | -0.12 | 117.38 | 0.73 | Manual |
| G | SSB | Sg | 12:04:21.88 | 0.08 | 117.38 | 0.73 | Manual |
| FR | FRNF | Pg | 12:04:11.78 | -0.84 | 253.05 | 0.78 | Manual |
| FR | VERF | Pg | 12:04:13.16 | 0.04 | 279.75 | 0.81 | Manual |
| FR | VERF | Sg | 12:04:24.59 | 0.2 | 279.75 | 0.81 | Manual |
| XP | FR18A | Pg | 12:04:14.60 | 0.37 | 221.81 | 0.87 | Manual |
| XP | FR21A | Pg | 12:04:15.59 | 0.19 | 140.88 | 0.93 | Manual |
| FR | CHLF | Pg | 12:04:16.26 | 0.49 | 9.2 | 0.95 | Manual |
| FR | CHLF | Sg | 12:04:29.51 | 0.49 | 9.2 | 0.95 | Manual |
| XP | FR22A | Pg | 12:04:16.56 | 0.28 | 172.55 | 0.98 | Manual |
| FR | HRSF | Pg | 12:04:18.61 | -0.04 | 324.89 | 1.11 | Manual |
| FR | HRSF | Sg | 12:04:34.44 | 0.38 | 324.89 | 1.11 | Manual |
| FR | GZNF | Pg | 12:04:19.24 | 0.01 | 299.72 | 1.14 | Manual |
| FR | LEUC | Pg | 12:04:19.88 | 0.56 | 221.78 | 1.14 | Manual |
| FR | LEUC | Sg | 12:04:35.84 | 0.6 | 221.78 | 1.14 | Manual |