This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3.1 MLv |
| Local datetime | 1987/04/01 08:43 |
| Universal datetime | 1987/04/01 06:43 |
| Latitude | 50.14 ° ± 4 km |
| Longitude | 3.73 ° ± 4 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 |
|---|---|---|
Maubeuge 
|
23 | 29944 |
| Caudry
|
22 | 14591 |
| Hautmont
|
18 | 14574 |
| Marly
|
26 | 11855 |
| Fourmies
|
28 | 11727 |
| Saint-Saulve
|
29 | 11207 |
| Aulnoye-Aymeries
|
10 | 8811 |
| Aulnoy-lez-Valenciennes
|
25 | 7341 |
| Le Cateau-Cambrésis
|
15 | 6933 |
| Feignies
|
21 | 6881 |
| Louvroil
|
21 | 6481 |
| Quiévrechain
|
29 | 6366 |
| Trith-Saint-Léger
|
27 | 6215 |
| Bohain-en-Vermandois
|
25 | 5664 |
| Ferrière-la-Grande
|
22 | 5301 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 1 |
| Azimuthal gap | |
| Number of stations used | 21 |
| 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 | HAU | Pg | 06:44:46.60 | -0.33 | 140 | 2.74 | Manual |
| RD | HAU | Sg | 06:45:23.80 | -1.11 | 140 | 2.74 | Manual |
| RD | LOR | Pn | 06:44:41.40 | 1.24 | 178 | 2.88 | Manual |
| RD | LOR | Sn | 06:45:17.0 | -0.35 | 178 | 2.88 | Manual |
| RD | LOR | Sg | 06:45:30.60 | 1.35 | 178 | 2.88 | Manual |
| RD | CDF | Pg | 06:44:49.60 | -0.17 | 125 | 2.89 | Manual |
| RD | LDF | Pn | 06:44:42.0 | 0.75 | 240 | 2.96 | Manual |
| RD | LDF | Pg | 06:44:50.90 | -0.05 | 240 | 2.96 | Manual |
| RD | LDF | Sg | 06:45:30.60 | -1.29 | 240 | 2.96 | Manual |