This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3.7 MLv |
| Local datetime | 2015/12/31 21:31 |
| Universal datetime | 2015/12/31 20:31 |
| Latitude | 46.80 ° ± 6 km |
| Longitude | -1.93 ° ± 5 km |
| Depth | 0 km (from location) ± 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 |
|---|---|---|
Les Sables-d'Olonne 
|
33 | 44017 |
| Challans
|
8 | 20622 |
| Pornic
|
37 | 15018 |
| Saint-Hilaire-de-Riez
|
6 | 11169 |
| Aizenay
|
24 | 9510 |
| Saint-Philbert-de-Grand-Lieu
|
36 | 8921 |
| Saint-Jean-de-Monts
|
9 | 8634 |
| Le Poiré-sur-Vie
|
33 | 8509 |
| Saint-Gilles-Croix-de-Vie
|
12 | 7655 |
| Machecoul-Saint-Même
|
24 | 7473 |
| Sainte-Pazanne
|
33 | 6774 |
| Chaumes-en-Retz
|
39 | 6759 |
| Aubigny-Les Clouzeaux
|
40 | 6571 |
| Bellevigny
|
39 | 6005 |
| Les Achards
|
30 | 5063 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.4 |
| Azimuthal gap | 193.11 ° |
| 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 | MFF | Pn | 20:31:39.15 | 0.18 | 98.36 | 1.24 | Manual |
| RD | MFF | Pg | 20:31:39.81 | 0.82 | 98.36 | 1.24 | Manual |
| RD | MFF | Sg | 20:31:56.10 | -0.18 | 98.36 | 1.24 | Manual |
| FR | CHIF | Pn | 20:31:38.87 | -0.1 | 121.69 | 1.24 | Manual |
| FR | CHIF | Sg | 20:31:55.73 | -0.57 | 121.69 | 1.24 | Manual |
| RD | ROSF | Pg | 20:31:48.99 | 0.21 | 329.91 | 1.79 | Manual |
| RD | ROSF | Sg | 20:32:13.64 | -0.41 | 329.91 | 1.79 | Manual |
| FR | MONQ | Pn | 20:32:06.56 | 0.04 | 136.79 | 3.27 | Manual |