This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2 MLv |
| Local datetime | 1982/12/20 23:20 |
| Universal datetime | 1982/12/20 22:20 |
| Latitude | 45.97 ° ± 2 km |
| Longitude | 2.78 ° ± 2 km |
| Depth | 5 km (operator assigned) ± 0.0 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Clermont-Ferrand 
|
33 | 143886 |
| Cournon-d'Auvergne
|
40 | 20043 |
| Riom
|
29 | 19180 |
| Chamalières
|
31 | 17173 |
| Pont-du-Château
|
40 | 11441 |
| Beaumont
|
34 | 10787 |
| Gerzat
|
33 | 10365 |
| Aubière
|
36 | 10061 |
| Cébazat
|
30 | 8604 |
| Lempdes
|
39 | 8409 |
| Romagnat
|
37 | 7705 |
| Ceyrat
|
34 | 6416 |
| Commentry
|
34 | 6239 |
| Châtel-Guyon
|
23 | 6152 |
| Gannat
|
34 | 5832 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.8 |
| Azimuthal gap | |
| Number of stations used | 11 |
| Number of phases used | 10 |
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 | 22:20:40.50 | 0.12 | 144 | 0.27 | Manual |
| FR | PYM | Sg | 22:20:44.0 | -0.46 | 144 | 0.27 | Manual |
| RD | MZF | Pg | 22:20:41.0 | 0.16 | 329 | 0.29 | Manual |
| RD | MZF | Sg | 22:20:45.50 | 0.25 | 329 | 0.29 | Manual |
| RD | TCF | Sg | 22:20:50.80 | -1.01 | 309 | 0.51 | Manual |
| RD | AVF | Pg | 22:20:52.50 | 0.43 | 25 | 0.91 | Manual |
| RD | AVF | Sg | 22:21:04.0 | -0.8 | 25 | 0.91 | Manual |
| RD | LSF | Sg | 22:21:05.50 | 0.51 | 288 | 0.92 | Manual |
| RD | SMF | Pg | 22:20:54.10 | 0.43 | 47 | 1 | Manual |
| RD | SMF | Sg | 22:21:07.80 | 0.21 | 47 | 1 | Manual |