This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3.2 MLv |
| Local datetime | 1981/08/10 07:22 |
| Universal datetime | 1981/08/10 05:22 |
| Latitude | 50.27 ° ± 3 km |
| Longitude | 2.74 ° ± 3 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 |
|---|---|---|
Arras 
|
3 | 41019 |
| Lens
|
20 | 31415 |
| Liévin
|
17 | 30785 |
| Avion
|
16 | 17622 |
| Bully-les-Mines
|
20 | 12163 |
| Méricourt
|
17 | 11363 |
| Sallaumines
|
19 | 9715 |
| Rouvroy
|
19 | 8738 |
| Billy-Montigny
|
20 | 8150 |
| Achicourt
|
1 | 7799 |
| Grenay
|
20 | 6932 |
| Saint-Laurent-Blangy
|
7 | 6606 |
| Noyelles-sous-Lens
|
20 | 6561 |
| Beaurains
|
4 | 5662 |
| Dainville
|
2 | 5646 |
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 | 13 |
| Number of phases used | 20 |
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 | SSC | Pg | 05:23:36.20 | 0.38 | 229 | 2.51 | Manual |
| RD | SSC | Sg | 05:24:12.40 | 1.85 | 229 | 2.51 | Manual |
| RD | FLN | Pg | 05:23:36.70 | -0.53 | 236 | 2.58 | Manual |
| RD | FLN | Sg | 05:24:11.80 | -1.19 | 236 | 2.58 | Manual |
| RD | LOR | Pg | 05:23:47.80 | 0.99 | 166 | 3.09 | Manual |
| RD | LOR | Sg | 05:24:30.40 | 0.78 | 166 | 3.09 | Manual |
| RD | SSF | Pg | 05:23:50.20 | 0.44 | 171 | 3.25 | Manual |
| RD | SSF | Sg | 05:24:35.20 | 0.43 | 171 | 3.25 | Manual |
| RD | HAU | Pg | 05:23:49.40 | -0.91 | 132 | 3.28 | Manual |
| RD | LPF | Pg | 05:23:51.0 | -0.47 | 229 | 3.34 | Manual |
| RD | LPF | Sg | 05:24:37.80 | 0.05 | 229 | 3.34 | Manual |
| RD | LBF | Pg | 05:23:52.40 | 0.05 | 165 | 3.39 | Manual |
| RD | LBF | Sg | 05:24:39.0 | -0.3 | 165 | 3.39 | Manual |
| RD | AVF | Pg | 05:23:55.10 | 0.55 | 173 | 3.5 | Manual |
| RD | AVF | Sg | 05:24:44.40 | 1.28 | 173 | 3.5 | Manual |
| RD | SMF | Pg | 05:23:57.90 | -0.31 | 168 | 3.7 | Manual |
| RD | SMF | Sg | 05:24:48.10 | -1.38 | 168 | 3.7 | Manual |
| RD | TCF | Pg | 05:24:04.90 | 1.06 | 185 | 4 | Manual |
| RD | TCF | Sg | 05:24:57.10 | -2.13 | 185 | 4 | Manual |
| RD | MZF | Pg | 05:24:04.19 | -0.64 | 182 | 4.05 | Manual |