This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3.2 MLv |
| Local datetime | 1983/03/31 11:40 |
| Universal datetime | 1983/03/31 09:40 |
| Latitude | 46.86 ° ± 3 km |
| Longitude | -2.46 ° ± 8 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 
|
49 | 69993 |
| Challans
|
47 | 20622 |
| La Baule-Escoublac
|
49 | 16132 |
| Guérande
|
53 | 15873 |
| Pornic
|
43 | 15018 |
| Saint-Brevin-les-Pins
|
49 | 13802 |
| Saint-Hilaire-de-Riez
|
40 | 11169 |
| Pornichet
|
46 | 10669 |
| Saint-Jean-de-Monts
|
32 | 8634 |
| Trignac
|
54 | 7868 |
| Saint-Gilles-Croix-de-Vie
|
45 | 7655 |
| Machecoul-Saint-Même
|
51 | 7473 |
| Sainte-Pazanne
|
55 | 6774 |
| Chaumes-en-Retz
|
52 | 6759 |
| Saint-André-des-Eaux
|
53 | 6473 |
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 | 18 |
| 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 | Pn | 09:41:18.90 | -0.83 | 39 | 1.52 | Manual |
| RD | LPF | Pg | 09:41:22.70 | 0.89 | 39 | 1.52 | Manual |
| RD | LPF | Sg | 09:41:43.20 | 0.27 | 39 | 1.52 | Manual |
| RD | MFF | Pg | 09:41:24.10 | 0.51 | 98 | 1.61 | Manual |
| RD | MFF | Sg | 09:41:45.70 | -0.32 | 98 | 1.61 | Manual |
| RD | GRR | Pn | 09:41:23.80 | -0.78 | 35 | 1.88 | Manual |
| RD | GRR | Pg | 09:41:29.50 | 0.93 | 35 | 1.88 | Manual |
| RD | GRR | Sg | 09:41:54.0 | -0.6 | 35 | 1.88 | Manual |