This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.5 MLv |
| Local datetime | 1991/03/31 15:22 |
| Universal datetime | 1991/03/31 13:22 |
| Latitude | 45.84 ° ± 2 km |
| Longitude | -0.77 ° ± 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 |
|---|---|---|
Saintes 
|
14 | 25470 |
| Rochefort
|
19 | 24151 |
| Cognac
|
37 | 18825 |
| Royan
|
30 | 18398 |
| Aytré
|
42 | 8725 |
| Périgny
|
43 | 8428 |
| Tonnay-Charente
|
16 | 8010 |
| Saujon
|
22 | 7165 |
| Saint-Jean-d'Angély
|
22 | 6976 |
| Surgères
|
29 | 6807 |
| Saint-Pierre-d'Oléron
|
43 | 6743 |
| Marennes-Hiers-Brouage
|
24 | 6252 |
| Châtelaillon-Plage
|
35 | 5846 |
| Dompierre-sur-Mer
|
45 | 5482 |
| Saint-Georges-de-Didonne
|
32 | 5360 |
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 | 10 |
| 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 | 13:22:42.80 | -0.23 | 30 | 0.87 | Manual |
| RD | MFF | Sg | 13:22:55.60 | 0.36 | 30 | 0.87 | Manual |
| RD | LFF | Pg | 13:22:52.20 | -0.65 | 130 | 1.4 | Manual |
| RD | LFF | Sg | 13:23:13.0 | 0.7 | 130 | 1.4 | Manual |
| RD | LSF | Pg | 13:22:58.40 | 0.73 | 75 | 1.65 | Manual |
| RD | LSF | Sg | 13:23:20.0 | -0.63 | 75 | 1.65 | Manual |
| RD | RJF | Pg | 13:22:58.20 | -0.27 | 108 | 1.7 | Manual |
| RD | RJF | Sg | 13:23:22.0 | -0.01 | 108 | 1.7 | Manual |