This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 4.2 MLv |
| Local datetime | 1983/07/07 05:52 |
| Universal datetime | 1983/07/07 03:52 |
| Latitude | 48.32 ° ± 2 km |
| Longitude | -0.88 ° ± 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 |
|---|---|---|
Laval 
|
30 | 49728 |
| Fougères
|
24 | 20418 |
| Vitré
|
33 | 18037 |
| Flers
|
52 | 14734 |
| Mayenne
|
20 | 12841 |
| Évron
|
40 | 8671 |
| Liffré
|
49 | 7609 |
| Saint-Berthevin
|
28 | 7344 |
| Châteaubourg
|
45 | 7064 |
| Acigné
|
51 | 6740 |
| Saint-Hilaire-du-Harcouët
|
34 | 6094 |
| Bonchamp-lès-Laval
|
31 | 6037 |
| Changé
|
24 | 6020 |
| Ernée
|
5 | 5731 |
| La Ferté Macé
|
47 | 5237 |
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 | 36 |
| Number of phases used | 10 |
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 | 03:52:28.80 | 0.31 | 10 | 0.07 | Manual |
| RD | LPF | Pg | 03:52:32.59 | 0.03 | 201 | 0.31 | Manual |
| RD | LPF | Sg | 03:52:38.20 | 1.08 | 201 | 0.31 | Manual |
| RD | FLN | Pg | 03:52:34.59 | -1.64 | 30 | 0.52 | Manual |
| RD | LDF | Pg | 03:52:37.59 | 0.3 | 61 | 0.57 | Manual |
| RD | LDF | Sg | 03:52:46.40 | 1.06 | 61 | 0.57 | Manual |
| RD | MFF | Pn | 03:52:56.40 | -0.14 | 164 | 1.79 | Manual |
| RD | MFF | Pg | 03:53:00.20 | 0.15 | 164 | 1.79 | Manual |
| RD | MFF | Sn | 03:53:20.0 | -0.93 | 164 | 1.79 | Manual |
| RD | MFF | Sg | 03:53:24.50 | -0.34 | 164 | 1.79 | Manual |