This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 0.9 MLv |
| Local datetime | 2012/03/21 11:59 |
| Universal datetime | 2012/03/21 10:59 |
| Latitude | 46.00 ° ± 3 km |
| Longitude | 3.05 ° ± 4 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 
|
24 | 143886 |
| Cournon-d'Auvergne
|
30 | 20043 |
| Riom
|
13 | 19180 |
| Chamalières
|
25 | 17173 |
| Pont-du-Château
|
27 | 11441 |
| Beaumont
|
28 | 10787 |
| Gerzat
|
21 | 10365 |
| Aubière
|
28 | 10061 |
| Cébazat
|
19 | 8604 |
| Bellerive-sur-Allier
|
30 | 8500 |
| Lempdes
|
27 | 8409 |
| Romagnat
|
31 | 7705 |
| Ceyrat
|
29 | 6416 |
| Châtel-Guyon
|
9 | 6152 |
| Gannat
|
15 | 5832 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | confirmed |
|---|---|
| RMS | 0.45 |
| Azimuthal gap | 218.82 ° |
| Number of stations used | 4 |
| Number of phases used | 8 |
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 | AGO | Pg | 10:59:30.34 | -0.4 | 45.96 | 0.08 | Manual |
| FR | AGO | Sg | 10:59:32.85 | 0.8 | 45.96 | 0.08 | Manual |
| FR | PYM | Pg | 10:59:33.30 | -0.46 | 187.14 | 0.25 | Manual |
| FR | PYM | Sg | 10:59:37.40 | 0.09 | 187.14 | 0.25 | Manual |
| FR | PLDF | Pg | 10:59:36.49 | 0 | 94 | 0.4 | Manual |
| FR | PLDF | Sg | 10:59:41.73 | -0.37 | 94 | 0.4 | Manual |
| FR | LBL | Pg | 10:59:43.33 | -0.26 | 169.84 | 0.78 | Manual |
| FR | LBL | Sg | 10:59:55.18 | 0.61 | 169.84 | 0.78 | Manual |