This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.3 MLv |
| Local datetime | 2021/09/16 12:57 |
| Universal datetime | 2021/09/16 10:57 |
| Latitude | 46.89 ° ± 3 km |
| Longitude | -0.27 ° ± 5 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 |
|---|---|---|
Saumur 
|
45 | 26734 |
| Bressuire
|
17 | 19519 |
| Thouars
|
10 | 13990 |
| Doué-en-Anjou
|
34 | 11005 |
| Parthenay
|
27 | 10267 |
| Mauléon
|
37 | 8519 |
| Lys-Haut-Layon
|
32 | 7880 |
| Loudun
|
31 | 6747 |
| Sèvremont
|
45 | 6486 |
| Bellevigne-en-Layon
|
48 | 5730 |
| Saint-Martin-la-Pallu
|
44 | 5546 |
| Nueil-les-Aubiers
|
26 | 5541 |
| Pouzauges
|
44 | 5514 |
| Neuville-de-Poitou
|
46 | 5324 |
| Moncoutant-sur-Sèvre
|
31 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.33 |
| Azimuthal gap | 126.46 ° |
| 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 |
|---|---|---|---|---|---|---|---|
| FR | CRNF | Pg | 10:57:10.50 | -0.59 | 313.8 | 0.36 | Manual |
| FR | CRNF | Sg | 10:57:16.17 | 0.31 | 313.8 | 0.36 | Manual |
| FR | GIZF | Pg | 10:57:15.43 | -0.31 | 31.09 | 0.61 | Manual |
| FR | GIZF | Sg | 10:57:24.40 | 0.42 | 31.09 | 0.61 | Manual |
| FR | CHIF | Pg | 10:57:18.60 | 0.13 | 187.34 | 0.76 | Manual |
| FR | CHIF | Sg | 10:57:29.0 | 0.31 | 187.34 | 0.76 | Manual |
| FR | GNEF | Pg | 10:57:20.65 | -0.14 | 151.97 | 0.88 | Manual |
| FR | GNEF | Sg | 10:57:32.57 | -0.14 | 151.97 | 0.88 | Manual |