This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.7 MLv |
| Local datetime | 2021/09/27 10:53 |
| Universal datetime | 2021/09/27 08:53 |
| Latitude | 46.74 ° ± 4 km |
| Longitude | -0.39 ° ± 5 km |
| Depth | 0 km (from location) ± 0.0 km |
Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Niort 
|
46 | 58707 |
| Bressuire
|
14 | 19519 |
| Thouars
|
28 | 13990 |
| Fontenay-le-Comte
|
44 | 13226 |
| Parthenay
|
16 | 10267 |
| Mauléon
|
35 | 8519 |
| Lys-Haut-Layon
|
44 | 7880 |
| Chauray
|
43 | 7006 |
| Saint-Maixent-l'École
|
39 | 6982 |
| Loudun
|
48 | 6747 |
| Sèvremont
|
37 | 6486 |
| La Crèche
|
42 | 5635 |
| Nueil-les-Aubiers
|
27 | 5541 |
| Pouzauges
|
33 | 5514 |
| Moncoutant-sur-Sèvre
|
15 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.3 |
| Azimuthal gap | 106.46 ° |
| Number of stations used | 6 |
| Number of phases used | 9 |
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 | 08:54:03.52 | -0.07 | 336.05 | 0.43 | Manual |
| FR | CRNF | Sg | 08:54:08.93 | -0.37 | 336.05 | 0.43 | Manual |
| FR | LGIF | Pg | 08:54:09.68 | 0.07 | 248.11 | 0.75 | Manual |
| FR | GIZF | Pg | 08:54:10.2 | -0.06 | 31.09 | 0.78 | Manual |
| FR | GNEF | Pg | 08:54:10.46 | -0.21 | 141.64 | 0.81 | Manual |
| FR | GNEF | Sg | 08:54:21.56 | -0.07 | 141.64 | 0.81 | Manual |
| FR | DAUF | Pg | 08:54:13.15 | 0.48 | 1.75 | 0.92 | Manual |
| FR | GARF | Pg | 08:54:21.93 | 0.54 | 98.72 | 1.39 | Manual |
| FR | GARF | Sg | 08:54:39.86 | -0.32 | 98.72 | 1.39 | Manual |