This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3.1 MLv |
| Local datetime | 1987/09/11 00:16 |
| Universal datetime | 1987/09/10 22:16 |
| Latitude | 46.04 ° ± 1 km |
| Longitude | -0.20 ° ± 3 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 |
|---|---|---|
Niort 
|
38 | 58707 |
| Angoulême
|
51 | 41740 |
| Saintes
|
48 | 25470 |
| Cognac
|
40 | 18825 |
| Saint-Yrieix-sur-Charente
|
47 | 7274 |
| Ruelle-sur-Touvre
|
52 | 7201 |
| Chauray
|
37 | 7006 |
| Saint-Maixent-l'École
|
41 | 6982 |
| Saint-Jean-d'Angély
|
27 | 6976 |
| Surgères
|
43 | 6807 |
| Melle
|
20 | 6213 |
| Gond-Pontouvre
|
49 | 6010 |
| La Crèche
|
37 | 5635 |
| Aiffres
|
32 | 5506 |
| Champniers
|
47 | 5151 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.6 |
| Azimuthal gap | |
| Number of stations used | 22 |
| 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 | 22:16:22.10 | 0.14 | 4 | 0.56 | Manual |
| RD | MFF | Sg | 22:16:29.40 | -0.48 | 4 | 0.56 | Manual |
| RD | LSF | Pg | 22:16:34.80 | 0.58 | 79 | 1.22 | Manual |
| RD | LSF | Sg | 22:16:51.30 | 0.09 | 79 | 1.22 | Manual |
| RD | LFF | Pn | 22:16:34.50 | -0.03 | 149 | 1.28 | Manual |
| RD | LFF | Pg | 22:16:35.50 | 0.1 | 149 | 1.28 | Manual |
| RD | LFF | Sg | 22:16:53.10 | -0.16 | 149 | 1.28 | Manual |
| RD | RJF | Pg | 22:16:38.0 | 0.23 | 121 | 1.41 | Manual |
| RD | RJF | Sg | 22:16:56.80 | -0.58 | 121 | 1.41 | Manual |