This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3 MLv |
| Local datetime | 1983/06/25 03:55 |
| Universal datetime | 1983/06/25 01:55 |
| Latitude | 47.17 ° ± 2 km |
| Longitude | -2.02 ° ± 9 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 |
|---|---|---|
Saint-Nazaire 
|
21 | 69993 |
| Couëron
|
23 | 21372 |
| Pornic
|
6 | 15018 |
| Saint-Brevin-les-Pins
|
13 | 13802 |
| Pornichet
|
25 | 10669 |
| Savenay
|
22 | 8679 |
| Donges
|
19 | 7961 |
| Trignac
|
21 | 7868 |
| Machecoul-Saint-Même
|
24 | 7473 |
| Saint-Étienne-de-Montluc
|
21 | 7129 |
| Montoir-de-Bretagne
|
19 | 7088 |
| Sainte-Pazanne
|
18 | 6774 |
| Chaumes-en-Retz
|
8 | 6759 |
| Saint-Jean-de-Boiseau
|
23 | 5827 |
| Le Pellerin
|
16 | 5100 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | final |
|---|---|
| RMS | 0.9 |
| Azimuthal gap | |
| Number of stations used | 17 |
| 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 | LPF | Pg | 01:55:39.40 | 0.98 | 37 | 1.09 | Manual |
| RD | LPF | Sg | 01:55:54.60 | 1.05 | 37 | 1.09 | Manual |
| RD | MFF | Pg | 01:55:44.60 | 0.1 | 113 | 1.41 | Manual |
| RD | MFF | Sg | 01:56:04.0 | -0.1 | 113 | 1.41 | Manual |
| RD | GRR | Pg | 01:55:45.40 | 0.2 | 32 | 1.45 | Manual |
| RD | GRR | Sg | 01:56:06.0 | 0.68 | 32 | 1.45 | Manual |
| RD | FLN | Pg | 01:55:53.0 | -0.72 | 33 | 1.9 | Manual |
| RD | FLN | Sg | 01:56:18.60 | -1.43 | 33 | 1.9 | Manual |
| RD | LDF | Pg | 01:55:53.50 | -0.5 | 41 | 1.91 | Manual |
| RD | LDF | Sg | 01:56:20.20 | -0.31 | 41 | 1.91 | Manual |