This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.8 MLv |
| Local datetime | 1989/02/20 18:28 |
| Universal datetime | 1989/02/20 17:28 |
| Latitude | 47.20 ° ± 2 km |
| Longitude | -1.12 ° ± 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 |
|---|---|---|
Cholet 
|
25 | 53917 |
| Sèvremoine
|
12 | 25414 |
| Beaupréau-en-Mauges
|
12 | 23228 |
| Mauges-sur-Loire
|
21 | 18284 |
| Orée d'Anjou
|
14 | 16413 |
| Montrevault-sur-Èvre
|
9 | 15859 |
| Ancenis-Saint-Géréon
|
21 | 10802 |
| Thouaré-sur-Loire
|
25 | 10025 |
| Basse-Goulaine
|
26 | 9036 |
| Vallet
|
11 | 9015 |
| Le Loroux-Bottereau
|
16 | 8227 |
| Clisson
|
16 | 7187 |
| Saint-Julien-de-Concelles
|
22 | 6917 |
| Divatte-sur-Loire
|
18 | 6844 |
| Haute-Goulaine
|
22 | 5764 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.5 |
| Azimuthal gap | |
| Number of stations used | 13 |
| 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 | LPF | Pg | 17:28:39.90 | 0.42 | 4 | 0.84 | Manual |
| RD | LPF | Sg | 17:28:51.30 | 0.14 | 4 | 0.84 | Manual |
| RD | MFF | Pg | 17:28:40.50 | -0.06 | 131 | 0.89 | Manual |
| RD | MFF | Sg | 17:28:53.10 | 0.05 | 131 | 0.89 | Manual |
| RD | GRR | Pg | 17:28:46.20 | -0.16 | 8 | 1.2 | Manual |
| RD | GRR | Sg | 17:29:02.80 | -0.34 | 8 | 1.2 | Manual |
| RD | LDF | Pg | 17:28:52.60 | -0.24 | 25 | 1.55 | Manual |
| RD | LDF | Sg | 17:29:14.60 | 0.21 | 25 | 1.55 | Manual |