This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.8 MLv |
| Local datetime | 1980/08/21 06:27 |
| Universal datetime | 1980/08/21 04:27 |
| Latitude | 46.01 ° ± 3 km |
| Longitude | -1.81 ° ± 9 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 |
|---|---|---|
La Rochelle 
|
52 | 75735 |
| Les Sables-d'Olonne
|
57 | 44017 |
| Rochefort
|
65 | 24151 |
| Luçon
|
70 | 9540 |
| Aytré
|
56 | 8725 |
| Périgny
|
58 | 8428 |
| Talmont-Saint-Hilaire
|
54 | 7657 |
| Lagord
|
54 | 7048 |
| Saint-Pierre-d'Oléron
|
40 | 6743 |
| Marennes-Hiers-Brouage
|
60 | 6252 |
| Puilboreau
|
57 | 6182 |
| Châtelaillon-Plage
|
57 | 5846 |
| Nieul-sur-Mer
|
54 | 5759 |
| Dompierre-sur-Mer
|
61 | 5482 |
| Les Achards
|
66 | 5063 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 1.3 |
| Azimuthal gap | |
| Number of stations used | 11 |
| 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 | 04:27:27.0 | 1.13 | 62 | 1.29 | Manual |
| RD | MFF | Sg | 04:27:46.40 | 2.55 | 62 | 1.29 | Manual |
| RD | LPF | Pg | 04:27:41.0 | 0.17 | 14 | 2.08 | Manual |
| RD | LPF | Sg | 04:28:08.20 | -1.53 | 14 | 2.08 | Manual |
| RD | LFF | Pg | 04:27:41.70 | 0.78 | 120 | 2.09 | Manual |
| RD | LFF | Sg | 04:28:10.30 | 0.43 | 120 | 2.09 | Manual |
| RD | LSF | Sg | 04:28:16.50 | -1.26 | 83 | 2.33 | Manual |
| RD | RJF | Pg | 04:27:47.0 | -0.43 | 106 | 2.44 | Manual |
| RD | RJF | Sg | 04:28:19.40 | -1.76 | 106 | 2.44 | Manual |