This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.6 MLv |
| Local datetime | 1981/09/17 06:25 |
| Universal datetime | 1981/09/17 04:25 |
| Latitude | 46.71 ° ± 6 km |
| Longitude | -0.54 ° ± 10 km |
| Depth | 5 km (operator assigned) ± 0.0 km |
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Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Niort 
|
43 | 58707 |
| Bressuire
|
17 | 19519 |
| Les Herbiers
|
41 | 15958 |
| Thouars
|
37 | 13990 |
| Fontenay-le-Comte
|
34 | 13226 |
| Parthenay
|
25 | 10267 |
| Mauléon
|
31 | 8519 |
| Chantonnay
|
39 | 8318 |
| Chauray
|
42 | 7006 |
| Saint-Maixent-l'École
|
42 | 6982 |
| Sèvremont
|
28 | 6486 |
| La Crèche
|
42 | 5635 |
| Nueil-les-Aubiers
|
26 | 5541 |
| Pouzauges
|
23 | 5514 |
| Moncoutant-sur-Sèvre
|
4 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
2000 km
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 1 |
| Azimuthal gap | |
| Number of stations used | 11 |
| 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 | MFF | Pg | 04:25:21.80 | -0.67 | 111 | 0.29 | Manual |
| RD | MFF | Sg | 04:25:28.20 | 1.32 | 111 | 0.29 | Manual |
| RD | LPF | Pn | 04:25:40.40 | -0.56 | 346 | 1.37 | Manual |
| RD | LPF | Sn | 04:26:00.40 | -0.08 | 346 | 1.37 | Manual |
| RD | LPF | Sg | 04:26:01.60 | 0.34 | 346 | 1.37 | Manual |
| RD | LSF | Pn | 04:25:43.60 | 0.77 | 107 | 1.5 | Manual |
| RD | LSF | Sg | 04:26:04.60 | -1.14 | 107 | 1.5 | Manual |
| RD | GRR | Sg | 04:26:12.0 | 0.03 | 353 | 1.69 | Manual |