This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 3.5 MLv |
| Local datetime | 2021/08/20 15:47 |
| Universal datetime | 2021/08/20 13:47 |
| Latitude | 46.74 ° ± 0.1 km |
| Longitude | -0.86 ° ± 0.1 km |
| Depth | 4 km (from location) ± 0.2 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Cholet 
|
34 | 53917 |
| Bressuire
|
32 | 19519 |
| Les Herbiers
|
19 | 15958 |
| Fontenay-le-Comte
|
32 | 13226 |
| Luçon
|
40 | 9540 |
| Essarts en Bocage
|
27 | 8931 |
| Mauléon
|
24 | 8519 |
| Chantonnay
|
16 | 8318 |
| Sèvremont
|
10 | 6486 |
| Mortagne-sur-Sèvre
|
28 | 5930 |
| Nueil-les-Aubiers
|
30 | 5541 |
| Chanverrie
|
25 | 5517 |
| Pouzauges
|
5 | 5514 |
| La Ferrière
|
36 | 5255 |
| Moncoutant-sur-Sèvre
|
21 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.35 |
| Azimuthal gap | 57.9 ° |
| Number of stations used | 23 |
| Number of phases used | 49 |
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 |
|---|---|---|---|---|---|---|---|
| FR | CRNF | Pg | 13:47:50.10 | 0.18 | 20.06 | 0.42 | Manual |
| FR | CRNF | Sg | 13:47:55.56 | 0 | 20.06 | 0.42 | Manual |
| FR | LGIF | Pg | 13:47:51.8 | 0.13 | 232.98 | 0.47 | Manual |
| FR | LGIF | Sg | 13:47:57.7 | -0.28 | 232.98 | 0.47 | Manual |
| RD | MFF | Pg | 13:47:51.49 | -0.17 | 105.76 | 0.51 | Manual |
| RD | MFF | Sg | 13:47:58.14 | -0.44 | 105.76 | 0.51 | Manual |
| FR | BOUF | Pg | 13:47:54.43 | -0.32 | 308.33 | 0.68 | Manual |
| FR | BOUF | Sg | 13:48:03.37 | -0.55 | 308.33 | 0.68 | Manual |
| FR | CHIF | Pg | 13:47:54.57 | -0.34 | 152.64 | 0.69 | Manual |
| FR | CHIF | Sg | 13:48:03.77 | -0.42 | 152.64 | 0.69 | Manual |
| FR | SDOF | Pg | 13:47:57.35 | 0.42 | 208.92 | 0.79 | Manual |
| FR | SDOF | Sg | 13:48:07.97 | 0.27 | 208.92 | 0.79 | Manual |
| FR | RIAF | Pg | 13:47:57.53 | 0.05 | 338.08 | 0.82 | Manual |
| RA | UNIO | Pg | 13:47:59.9 | 0.61 | 195.85 | 0.88 | Manual |
| RA | UNIO | Sg | 13:48:10.83 | 0.45 | 195.85 | 0.88 | Manual |
| FR | DAUF | Pg | 13:48:00.66 | 0.27 | 20.45 | 0.98 | Manual |
| FR | DAUF | Sg | 13:48:13.8 | -0.59 | 20.45 | 0.98 | Manual |
| FR | GIZF | Pg | 13:48:00.72 | 0.31 | 47.01 | 0.98 | Manual |
| FR | GIZF | Sg | 13:48:13.53 | -0.19 | 47.01 | 0.98 | Manual |
| FR | GNEF | Pg | 13:48:00.82 | -0.7 | 127.42 | 1.04 | Manual |
| FR | BSCF | Pn | 13:48:05.60 | 0.41 | 86.56 | 1.27 | Manual |
| FR | BSCF | Pg | 13:48:06.37 | 0.65 | 86.56 | 1.27 | Manual |
| FR | BSCF | Sg | 13:48:22.97 | 0.05 | 86.56 | 1.27 | Manual |
| FR | BEGF | Pn | 13:48:05.36 | -0.19 | 312.85 | 1.29 | Manual |
| FR | BEGF | Pg | 13:48:06.29 | 0.06 | 312.85 | 1.29 | Manual |
| FR | BEGF | Sg | 13:48:23.63 | -0.15 | 312.85 | 1.29 | Manual |
| FR | CLMF | Pg | 13:48:06.49 | 0.06 | 159.05 | 1.31 | Manual |
| FR | CLMF | Sg | 13:48:24.6 | -0.08 | 159.05 | 1.31 | Manual |
| FR | TSDF | Pn | 13:48:06.62 | 0.34 | 41.22 | 1.35 | Manual |
| FR | TSDF | Pg | 13:48:07.84 | 0.61 | 41.22 | 1.35 | Manual |
| FR | MTNF | Pn | 13:48:08.58 | -0.17 | 0.34 | 1.53 | Manual |
| FR | ABJF | Pn | 13:48:10.34 | 0.31 | 135.49 | 1.62 | Manual |
| FR | ABJF | Pg | 13:48:11.71 | -0.32 | 135.49 | 1.62 | Manual |
| FR | GUEF | Pn | 13:48:10.47 | -0.09 | 314.12 | 1.66 | Manual |
| FR | GUEF | Pg | 13:48:12.56 | -0.14 | 314.12 | 1.66 | Manual |
| FR | GUEF | Sn | 13:48:33.68 | 0.26 | 314.12 | 1.66 | Manual |
| FR | GUEF | Sn | 13:48:33.84 | 0.43 | 314.12 | 1.66 | Manual |
| FR | SOMF | Pn | 13:48:10.59 | -0.12 | 21.34 | 1.67 | Manual |
| FR | SOMF | Sn | 13:48:34.54 | 0.85 | 21.34 | 1.67 | Manual |
| FR | GARF | Pn | 13:48:11.24 | 0.13 | 96.8 | 1.7 | Manual |
| FR | GARF | Pg | 13:48:13.27 | -0.13 | 96.8 | 1.7 | Manual |
| FR | GARF | Sn | 13:48:34.67 | 0.24 | 96.8 | 1.7 | Manual |
| FR | BIMF | Pn | 13:48:11.5 | -0.07 | 290.87 | 1.7 | Manual |
| FR | BIMF | Pg | 13:48:13.41 | 0 | 290.87 | 1.7 | Manual |
| FR | BIMF | Sg | 13:48:36.23 | -0.77 | 290.87 | 1.7 | Manual |
| FR | LOUF | Pn | 13:48:14.23 | -0.29 | 351.69 | 1.96 | Manual |
| FR | LOUF | Pg | 13:48:17.54 | -0.11 | 351.69 | 1.96 | Manual |
| FR | LOUF | Sg | 13:48:44.92 | 0.11 | 351.69 | 1.96 | Manual |
| FR | PLEF | Pg | 13:48:18.69 | 0.02 | 330.89 | 2.02 | Manual |