This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.5 MLv |
| Local datetime | 1981/12/15 23:45 |
| Universal datetime | 1981/12/15 22:45 |
| Latitude | 48.10 ° ± 2 km |
| Longitude | -0.84 ° ± 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 |
|---|---|---|
Laval 
|
7 | 49728 |
| Fougères
|
39 | 20418 |
| Vitré
|
26 | 18037 |
| Segré-en-Anjou Bleu
|
44 | 17562 |
| Château-Gontier-sur-Mayenne
|
32 | 16776 |
| Mayenne
|
28 | 12841 |
| Sablé-sur-Sarthe
|
46 | 12220 |
| Châteaugiron
|
48 | 9966 |
| Ombrée d'Anjou
|
46 | 8998 |
| Évron
|
32 | 8671 |
| Saint-Berthevin
|
3 | 7344 |
| Châteaubourg
|
42 | 7064 |
| Bonchamp-lès-Laval
|
11 | 6037 |
| Changé
|
3 | 6020 |
| Ernée
|
24 | 5731 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.6 |
| 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 | LPF | Pg | 22:45:30.30 | 0.01 | 243 | 0.15 | Manual |
| RD | LPF | Sg | 22:45:32.59 | -0.26 | 243 | 0.15 | Manual |
| RD | GRR | Pg | 22:45:33.0 | 0.34 | 358 | 0.29 | Manual |
| RD | GRR | Sg | 22:45:37.0 | 0.02 | 358 | 0.29 | Manual |
| RD | SSC | Pg | 22:45:40.9 | 0.26 | 45 | 0.69 | Manual |
| RD | SSC | Sg | 22:45:49.10 | -0.37 | 45 | 0.69 | Manual |
| RD | FLN | Pg | 22:45:40.59 | 0.45 | 20 | 0.7 | Manual |
| RD | FLN | Sg | 22:45:49.60 | -0.39 | 20 | 0.7 | Manual |