This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.7 MLv |
| Local datetime | 1987/08/04 03:25 |
| Universal datetime | 1987/08/04 01:25 |
| Latitude | 48.17 ° ± 2 km |
| Longitude | -1.42 ° ± 7 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 |
|---|---|---|
Rennes 
|
21 | 216815 |
| Vitré
|
18 | 18037 |
| Cesson-Sévigné
|
14 | 17526 |
| Betton
|
17 | 11735 |
| Chantepie
|
17 | 10435 |
| Châteaugiron
|
14 | 9966 |
| Saint-Grégoire
|
20 | 9639 |
| Thorigné-Fouillard
|
12 | 8463 |
| Vern-sur-Seiche
|
19 | 7911 |
| Liffré
|
8 | 7609 |
| Châteaubourg
|
6 | 7064 |
| Noyal-Châtillon-sur-Seiche
|
22 | 6919 |
| Acigné
|
8 | 6740 |
| Melesse
|
21 | 6576 |
| Noyal-sur-Vilaine
|
11 | 6008 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.7 |
| Azimuthal gap | |
| Number of stations used | 9 |
| 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 | 01:25:47.10 | -0.44 | 118 | 0.29 | Manual |
| RD | LPF | Sg | 01:25:52.0 | 0.14 | 118 | 0.29 | Manual |
| RD | GRR | Pg | 01:25:50.0 | -0.08 | 59 | 0.43 | Manual |
| RD | GRR | Sg | 01:25:56.60 | 0.34 | 59 | 0.43 | Manual |
| RD | FLN | Pg | 01:25:58.0 | 0.04 | 46 | 0.86 | Manual |
| RD | FLN | Sg | 01:26:09.60 | -0.39 | 46 | 0.86 | Manual |
| RD | LDF | Pg | 01:26:00.50 | 0.64 | 63 | 0.96 | Manual |
| RD | LDF | Sg | 01:26:13.10 | -0.2 | 63 | 0.96 | Manual |