This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.3 MLv |
| Local datetime | 2012/03/23 09:30 |
| Universal datetime | 2012/03/23 08:30 |
| Latitude | 45.73 ° ± 3 km |
| Longitude | 2.99 ° ± 12 km |
| Depth | 5 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 
|
12 | 143886 |
| Cournon-d'Auvergne
|
16 | 20043 |
| Riom
|
21 | 19180 |
| Chamalières
|
8 | 17173 |
| Pont-du-Château
|
21 | 11441 |
| Beaumont
|
8 | 10787 |
| Gerzat
|
17 | 10365 |
| Aubière
|
11 | 10061 |
| Cébazat
|
15 | 8604 |
| Lempdes
|
17 | 8409 |
| Romagnat
|
8 | 7705 |
| Ceyrat
|
6 | 6416 |
| Châtel-Guyon
|
22 | 6152 |
| Le Cendre
|
16 | 5426 |
| Vic-le-Comte
|
22 | 5197 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | confirmed |
|---|---|
| RMS | 0.41 |
| Azimuthal gap | 217.52 ° |
| Number of stations used | 5 |
| Number of phases used | 6 |
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 | PYM | Pg | 08:30:24.33 | -0.87 | 35.46 | 0.03 | Manual |
| FR | AGO | Pg | 08:30:30.60 | 0.14 | 17.29 | 0.34 | Manual |
| FR | PLDF | Pg | 08:30:33.82 | 0.26 | 61.38 | 0.5 | Manual |
| FR | LBL | Pg | 08:30:34.33 | 0.26 | 159.78 | 0.53 | Manual |
| FR | LBL | Sg | 08:30:41.46 | -0.09 | 159.78 | 0.53 | Manual |
| RD | LOT2 | Pg | 08:30:54.76 | 0.27 | 21.06 | 1.65 | Manual |