| Type | Earthquake |
| Magnitude | 2.5 MLv |
| Local datetime | 1981/02/04 12:01 |
| Universal datetime | 1981/02/04 11:01 |
| Latitude | 47.08 ° ± 1 km |
| Longitude | -0.09 ° ± 3 km |
| Depth | 5 km (operator assigned) ± 0.0 km |
Near cities
| Name | Distance (km) | Population |
|---|---|---|
| Saumur |
21 | 26734 |
| Bressuire |
39 | 19519 |
| Thouars |
17 | 13990 |
| Doué-en-Anjou |
21 | 11005 |
| Brissac Loire Aubance |
38 | 10807 |
| Gennes-Val-de-Loire |
30 | 8724 |
| Chinon |
27 | 8242 |
| Lys-Haut-Layon |
30 | 7880 |
| Beaufort-en-Anjou |
41 | 7226 |
| Longué-Jumelles |
35 | 6794 |
| Loudun |
16 | 6747 |
| Mazé-Milon |
46 | 5799 |
| Bellevigne-en-Layon |
40 | 5730 |
| Saint-Martin-la-Pallu |
47 | 5546 |
| Nueil-les-Aubiers |
42 | 5541 |
Past seismicity
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.6 |
| 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 |
|---|---|---|---|---|---|---|---|
| RD | MFF | Pg | 11:01:11.30 | 0.16 | 184 | 0.48 | Manual |
| RD | MFF | Sg | 11:01:17.79 | -0.11 | 184 | 0.48 | Manual |
| RD | LPF | Pg | 11:01:23.80 | 0.19 | 326 | 1.15 | Manual |
| RD | LPF | Sg | 11:01:39.20 | -0.42 | 326 | 1.15 | Manual |
| RD | LSF | Pg | 11:01:28.30 | 0.13 | 126 | 1.39 | Manual |
| RD | LSF | Sg | 11:01:47.20 | -0.34 | 126 | 1.39 | Manual |
| RD | GRR | Pg | 11:01:28.70 | 0.23 | 339 | 1.41 | Manual |
| RD | GRR | Sg | 11:01:47.80 | -0.25 | 339 | 1.41 | Manual |
| RD | SSC | Pg | 11:01:30.90 | 0.6 | 360 | 1.51 | Manual |
| RD | SSC | Sg | 11:01:51.10 | -0.13 | 360 | 1.51 | Manual |