This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2021/08/24 14:27 |
| Universal datetime | 2021/08/24 12:27 |
| Latitude | 46.87 ° ± 0.6 km |
| Longitude | -0.34 ° ± 2 km |
| Depth | 0 km (operator assigned) ± 0.0 km |
Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Cholet 
|
45 | 53917 |
| Chemillé-en-Anjou
|
48 | 21392 |
| Bressuire
|
10 | 19519 |
| Thouars
|
14 | 13990 |
| Doué-en-Anjou
|
36 | 11005 |
| Parthenay
|
26 | 10267 |
| Mauléon
|
32 | 8519 |
| Lys-Haut-Layon
|
32 | 7880 |
| Loudun
|
37 | 6747 |
| Sèvremont
|
39 | 6486 |
| Mortagne-sur-Sèvre
|
48 | 5930 |
| Bellevigne-en-Layon
|
47 | 5730 |
| Nueil-les-Aubiers
|
21 | 5541 |
| Pouzauges
|
38 | 5514 |
| Moncoutant-sur-Sèvre
|
26 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.44 |
| Azimuthal gap | 92.87 ° |
| Number of stations used | 11 |
| Number of phases used | 22 |
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 | GIZF | Pg | 12:27:49.15 | -0.63 | 34.05 | 0.66 | Manual |
| FR | DAUF | Pg | 12:27:51.91 | -0.45 | 359.54 | 0.8 | Manual |
| FR | DAUF | Pn | 12:27:54.30 | -0.29 | 359.54 | 0.8 | Manual |
| FR | DAUF | Sn | 12:28:06.62 | 0.28 | 359.54 | 0.8 | Manual |
| FR | LGIF | Pg | 12:27:53.91 | 0.75 | 241.22 | 0.84 | Manual |
| FR | LGIF | Sg | 12:28:05.9 | 0.61 | 241.22 | 0.84 | Manual |
| FR | LGIF | Sn | 12:28:09.15 | 0.41 | 241.22 | 0.84 | Manual |
| FR | GNEF | Pn | 12:27:56.23 | 0.34 | 148.36 | 0.89 | Manual |
| FR | GNEF | Sn | 12:28:10.26 | 0.18 | 148.36 | 0.89 | Manual |
| FR | BSCF | Pg | 12:27:54.79 | 0.25 | 93.35 | 0.91 | Manual |
| FR | BSCF | Sn | 12:28:10.49 | -0.11 | 93.35 | 0.91 | Manual |
| FR | RIAF | Pg | 12:27:55.2 | 0.3 | 314.47 | 0.92 | Manual |
| FR | RIAF | Sn | 12:28:10.3 | -0.8 | 314.47 | 0.92 | Manual |
| FR | BOUF | Pg | 12:27:54.99 | 0.04 | 288.9 | 0.93 | Manual |
| FR | BOUF | Sg | 12:28:07.56 | -0.01 | 288.9 | 0.93 | Manual |
| FR | BOUF | Sn | 12:28:10.66 | -0.49 | 288.9 | 0.93 | Manual |
| FR | TSDF | Pg | 12:27:57.45 | 0.55 | 31.32 | 1.04 | Manual |
| FR | GARF | Pg | 12:28:03.54 | 0.35 | 104.04 | 1.38 | Manual |
| FR | GARF | Sg | 12:28:21.93 | 0.09 | 104.04 | 1.38 | Manual |
| FR | MTNF | Pn | 12:28:03.2 | -0.43 | 346.59 | 1.45 | Manual |
| FR | MTNF | Sg | 12:28:23.73 | -0.39 | 346.59 | 1.45 | Manual |
| FR | SOMF | Pn | 12:28:03.2 | -0.58 | 10.46 | 1.46 | Manual |