This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.6 MLv |
| Local datetime | 1981/04/23 05:21 |
| Universal datetime | 1981/04/23 03:21 |
| Latitude | 45.68 ° ± 2 km |
| Longitude | 3.60 ° ± 2 km |
| Depth | 10 km (operator assigned) ± 0.0 km |
Have you felt an earthquake ?
You can participate to science by bringing your testimony.
Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Clermont-Ferrand 
|
40 | 143886 |
| Cournon-d'Auvergne
|
33 | 20043 |
| Montbrison
|
38 | 15641 |
| Issoire
|
31 | 14822 |
| Thiers
|
21 | 11847 |
| Pont-du-Château
|
31 | 11441 |
| Beaumont
|
41 | 10787 |
| Gerzat
|
38 | 10365 |
| Aubière
|
38 | 10061 |
| Lempdes
|
33 | 8409 |
| Romagnat
|
40 | 7705 |
| Ambert
|
18 | 6671 |
| Lezoux
|
23 | 6152 |
| Le Cendre
|
32 | 5426 |
| Vic-le-Comte
|
28 | 5197 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.4 |
| Azimuthal gap | |
| Number of stations used | 10 |
| 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 |
|---|---|---|---|---|---|---|---|
| RD | MZF | Pg | 03:22:15.20 | 0.3 | 307 | 0.9 | Manual |
| RD | MZF | Sg | 03:22:27.60 | 0.05 | 307 | 0.9 | Manual |
| RD | SMF | Pg | 03:22:16.29 | 0.01 | 10 | 0.98 | Manual |
| RD | SMF | Sg | 03:22:30.0 | 0.04 | 10 | 0.98 | Manual |
| RD | AVF | Pg | 03:22:19.0 | 0.02 | 351 | 1.12 | Manual |
| RD | AVF | Sg | 03:22:34.59 | -0.06 | 351 | 1.12 | Manual |
| RD | TCF | Pg | 03:22:19.10 | -0.31 | 302 | 1.14 | Manual |
| RD | TCF | Sg | 03:22:35.40 | 0 | 302 | 1.14 | Manual |