This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.2 MLv |
| Local datetime | 1981/03/23 21:53 |
| Universal datetime | 1981/03/23 20:53 |
| Latitude | 46.03 ° ± 3 km |
| Longitude | 2.76 ° ± 1 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 
|
39 | 143886 |
| Montluçon
|
36 | 35653 |
| Riom
|
33 | 19180 |
| Chamalières
|
37 | 17173 |
| Beaumont
|
40 | 10787 |
| Gerzat
|
38 | 10365 |
| Aubière
|
42 | 10061 |
| Domérat
|
41 | 8780 |
| Cébazat
|
35 | 8604 |
| Lempdes
|
44 | 8409 |
| Romagnat
|
43 | 7705 |
| Ceyrat
|
40 | 6416 |
| Commentry
|
28 | 6239 |
| Châtel-Guyon
|
26 | 6152 |
| Gannat
|
33 | 5832 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.5 |
| Azimuthal gap | |
| Number of stations used | 8 |
| Number of phases used | 9 |
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 | 20:53:16.60 | -0.41 | 325 | 0.23 | Manual |
| RD | MZF | Sg | 20:53:20.90 | 0.25 | 325 | 0.23 | Manual |
| RD | TCF | Pg | 20:53:21.0 | 0.06 | 304 | 0.46 | Manual |
| RD | TCF | Sg | 20:53:27.40 | -0.08 | 304 | 0.46 | Manual |
| RD | AVF | Pg | 20:53:28.40 | -0.03 | 28 | 0.87 | Manual |
| RD | AVF | Sg | 20:53:40.30 | -0.22 | 28 | 0.87 | Manual |
| RD | LSF | Sg | 20:53:41.20 | 0.11 | 285 | 0.88 | Manual |
| RD | SMF | Pg | 20:53:30.40 | 0.01 | 50 | 0.97 | Manual |
| RD | SMF | Sg | 20:53:44.20 | 0.27 | 50 | 0.97 | Manual |