This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.8 MLv |
| Local datetime | 1991/02/21 17:30 |
| Universal datetime | 1991/02/21 16:30 |
| Latitude | 48.89 ° ± 3 km |
| Longitude | -1.60 ° ± 6 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 |
|---|---|---|
Saint-Malo 
|
39 | 46097 |
| Saint-Lô
|
45 | 19116 |
| Vire Normandie
|
54 | 17178 |
| Dinan
|
60 | 14166 |
| Granville
|
6 | 12580 |
| Avranches
|
30 | 10155 |
| Carentan-les-Marais
|
55 | 10118 |
| Dinard
|
45 | 10027 |
| Souleuvre en Bocage
|
55 | 8839 |
| Coutances
|
22 | 8501 |
| Pleurtuit
|
48 | 6806 |
| Saint-Hilaire-du-Harcouët
|
49 | 6094 |
| Combourg
|
55 | 5940 |
| Dol-de-Bretagne
|
41 | 5693 |
| Cancale
|
30 | 5121 |
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 | 7 |
| 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 | GRR | Pg | 16:30:42.30 | 0.3 | 135 | 0.7 | Manual |
| RD | GRR | Sg | 16:30:52.40 | 0.58 | 135 | 0.7 | Manual |
| RD | FLN | Pg | 16:30:42.60 | -0.28 | 99 | 0.75 | Manual |
| RD | FLN | Sg | 16:30:53.40 | 0.04 | 99 | 0.75 | Manual |
| RD | LPF | Pg | 16:30:46.50 | 0.15 | 156 | 0.93 | Manual |
| RD | LPF | Sg | 16:30:58.80 | -0.59 | 156 | 0.93 | Manual |
| RD | LDF | Pg | 16:30:48.0 | 0.04 | 106 | 1.02 | Manual |
| RD | LDF | Sg | 16:31:02.0 | -0.21 | 106 | 1.02 | Manual |