This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.8 MLv |
| Local datetime | 1983/04/09 10:40 |
| Universal datetime | 1983/04/09 08:40 |
| Latitude | 51.08 ° ± 6 km |
| Longitude | 2.30 ° ± 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 |
|---|---|---|
Dunkerque 
|
6 | 87353 |
| Calais
|
33 | 73911 |
| Grande-Synthe
|
7 | 22966 |
| Coudekerque-Branche
|
10 | 21134 |
| Gravelines
|
14 | 11166 |
| Marck
|
28 | 10676 |
| Téteghem-Coudekerque-Village
|
13 | 8341 |
| Cappelle-la-Grande
|
11 | 7899 |
| Bourbourg
|
17 | 7097 |
| Loon-Plage
|
10 | 6193 |
| Wormhout
|
26 | 5632 |
| Audruicq
|
27 | 5412 |
| Oye-Plage
|
21 | 5373 |
| Coulogne
|
34 | 5372 |
| Grand-Fort-Philippe
|
16 | 5048 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 1.1 |
| Azimuthal gap | |
| Number of stations used | 12 |
| 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 |
|---|---|---|---|---|---|---|---|
| NL | ENN | Pn | 08:40:46.50 | -1.49 | 96 | 2.32 | Manual |
| RD | FLN | Pn | 08:40:56.90 | 0.53 | 219 | 2.94 | Manual |
| RD | LDF | Pg | 08:41:06.90 | 0.82 | 213 | 2.94 | Manual |
| RD | FLN | Pg | 08:41:06.90 | 0.95 | 219 | 2.94 | Manual |
| RD | FLN | Sg | 08:41:45.30 | -1.28 | 219 | 2.94 | Manual |
| RD | GRR | Pg | 08:41:13.30 | -1.1 | 218 | 3.38 | Manual |
| RD | LOR | Pn | 08:41:11.20 | 1.05 | 164 | 3.95 | Manual |
| RD | LOR | Pg | 08:41:25.80 | 0.76 | 164 | 3.95 | Manual |
| RD | LOR | Sg | 08:42:19.50 | -0.29 | 164 | 3.95 | Manual |