This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3.7 MLv |
| Local datetime | 1981/08/31 08:14 |
| Universal datetime | 1981/08/31 06:14 |
| Latitude | 47.11 ° ± 2 km |
| Longitude | -0.40 ° ± 7 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 |
|---|---|---|
Cholet 
|
37 | 53917 |
| Saumur
|
30 | 26734 |
| Chemillé-en-Anjou
|
26 | 21392 |
| Bressuire
|
29 | 19519 |
| Trélazé
|
38 | 14658 |
| Thouars
|
19 | 13990 |
| Les Ponts-de-Cé
|
36 | 12679 |
| Doué-en-Anjou
|
11 | 11005 |
| Brissac Loire Aubance
|
26 | 10807 |
| Gennes-Val-de-Loire
|
28 | 8724 |
| Mauléon
|
32 | 8519 |
| Lys-Haut-Layon
|
6 | 7880 |
| Bellevigne-en-Layon
|
21 | 5730 |
| Nueil-les-Aubiers
|
24 | 5541 |
| Mûrs-Erigné
|
34 | 5522 |
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 | 21 |
| 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 | MFF | Pg | 06:14:38.90 | -0.32 | 161 | 0.54 | Manual |
| RD | LPF | Pg | 06:14:48.40 | 0.31 | 335 | 1.02 | Manual |
| RD | LPF | Sg | 06:15:01.80 | -0.46 | 335 | 1.02 | Manual |
| RD | SSC | Pn | 06:14:55.30 | 0.32 | 8 | 1.48 | Manual |
| RD | SSC | Pg | 06:14:57.40 | 0.53 | 8 | 1.48 | Manual |
| RD | SSC | Sg | 06:15:17.50 | -0.02 | 8 | 1.48 | Manual |
| RD | LSF | Pg | 06:14:58.50 | -0.27 | 122 | 1.58 | Manual |
| RD | FLN | Pg | 06:15:00.80 | 0.77 | 358 | 1.65 | Manual |
| RD | FLN | Sg | 06:15:22.10 | -0.86 | 358 | 1.65 | Manual |