This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.5 MLv |
| Local datetime | 1981/04/07 03:01 |
| Universal datetime | 1981/04/07 01:01 |
| Latitude | 49.59 ° ± 4 km |
| Longitude | -1.14 ° ± 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 |
|---|---|---|
Caen 
|
72 | 105354 |
| Cherbourg-en-Cotentin
|
35 | 79200 |
| Hérouville-Saint-Clair
|
73 | 22954 |
| Saint-Lô
|
54 | 19116 |
| Bayeux
|
47 | 13121 |
| La Hague
|
49 | 11634 |
| Carentan-les-Marais
|
31 | 10118 |
| Ouistreham
|
73 | 9081 |
| Souleuvre en Bocage
|
74 | 8839 |
| Coutances
|
63 | 8501 |
| Valognes
|
26 | 6803 |
| Thue et Mue
|
62 | 5904 |
| Bricquebec-en-Cotentin
|
41 | 5899 |
| Blainville-sur-Orne
|
73 | 5801 |
| Douvres-la-Délivrande
|
64 | 5062 |
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 | 4 |
| 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 | FLN | Pg | 01:01:48.10 | -0.01 | 152 | 0.93 | Manual |
| RD | FLN | Sg | 01:02:01.90 | 0.81 | 152 | 0.93 | Manual |
| RD | GRR | Pn | 01:01:52.90 | 0 | 171 | 1.21 | Manual |
| RD | SSC | Pg | 01:01:52.90 | -0.47 | 145 | 1.21 | Manual |
| RD | GRR | Pg | 01:01:54.0 | 0.6 | 171 | 1.21 | Manual |
| RD | SSC | Sg | 01:02:09.70 | -0.52 | 145 | 1.21 | Manual |
| RD | GRR | Sg | 01:02:10.80 | 0.52 | 171 | 1.21 | Manual |
| RD | LPF | Sg | 01:02:20.60 | -0.88 | 178 | 1.56 | Manual |