This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.5 MLv |
| Local datetime | 1981/02/21 18:11 |
| Universal datetime | 1981/02/21 17:11 |
| Latitude | 46.52 ° ± 6 km |
| Longitude | 0.02 ° ± 4 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 |
|---|---|---|
Poitiers 
|
27 | 88291 |
| Niort
|
43 | 58707 |
| Parthenay
|
24 | 10267 |
| Buxerolles
|
28 | 10023 |
| Jaunay-Marigny
|
34 | 7530 |
| Saint-Benoît
|
26 | 7233 |
| Chauray
|
36 | 7006 |
| Saint-Maixent-l'École
|
21 | 6982 |
| Melle
|
36 | 6213 |
| Migné-Auxances
|
25 | 6071 |
| Vouneuil-sous-Biard
|
20 | 5896 |
| La Crèche
|
31 | 5635 |
| Saint-Martin-la-Pallu
|
30 | 5546 |
| Aiffres
|
43 | 5506 |
| Neuville-de-Poitou
|
25 | 5324 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 1.1 |
| Azimuthal gap | |
| Number of stations used | 6 |
| 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 | 17:11:21.70 | -0.01 | 303 | 0.14 | Manual |
| RD | MFF | Sg | 17:11:23.40 | -0.75 | 303 | 0.14 | Manual |
| RD | LSF | Sg | 17:11:54.0 | 0.28 | 104 | 1.08 | Manual |
| RD | TCF | Pg | 17:11:48.70 | 1.49 | 98 | 1.53 | Manual |
| RD | TCF | Sg | 17:12:07.80 | -0.68 | 98 | 1.53 | Manual |
| RD | RJF | Pg | 17:11:49.50 | 0.89 | 139 | 1.6 | Manual |
| RD | RJF | Sg | 17:12:09.89 | -1.01 | 139 | 1.6 | Manual |
| RD | MZF | Pg | 17:11:53.20 | 1.15 | 99 | 1.79 | Manual |
| RD | MZF | Sg | 17:12:15.40 | -1.43 | 99 | 1.79 | Manual |