This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2023/08/23 11:22 |
| Universal datetime | 2023/08/23 09:22 |
| Latitude | 46.75 ° ± 0.2 km |
| Longitude | -0.40 ° ± 0.3 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 |
|---|---|---|
Niort 
|
47 | 58707 |
| Bressuire
|
13 | 19519 |
| Thouars
|
27 | 13990 |
| Fontenay-le-Comte
|
44 | 13226 |
| Parthenay
|
17 | 10267 |
| Mauléon
|
35 | 8519 |
| Lys-Haut-Layon
|
44 | 7880 |
| Chauray
|
44 | 7006 |
| Saint-Maixent-l'École
|
40 | 6982 |
| Loudun
|
48 | 6747 |
| Sèvremont
|
36 | 6486 |
| La Crèche
|
43 | 5635 |
| Nueil-les-Aubiers
|
26 | 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 | 0.34 |
| Azimuthal gap | 119.01 ° |
| Number of stations used | 6 |
| Number of phases used | 10 |
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 | Pg | 09:22:46.87 | -0.31 | 130.03 | 0.23 | Manual |
| RD | MFF | Sg | 09:22:50.9 | -0.02 | 130.03 | 0.23 | Manual |
| FR | CRNF | Pg | 09:22:50.68 | -0.2 | 336.03 | 0.42 | Manual |
| FR | CRNF | Sg | 09:22:56.47 | -0.04 | 336.03 | 0.42 | Manual |
| Z4 | PSIS1 | Pg | 09:22:54.52 | 0.21 | 201.83 | 0.61 | Manual |
| Z4 | PSIS1 | Sg | 09:23:02.22 | -0.28 | 201.83 | 0.61 | Manual |
| FR | DAUF | Pg | 09:23:00.48 | 0.5 | 1.91 | 0.91 | Manual |
| FR | DAUF | Sg | 09:23:12.37 | 0.06 | 1.91 | 0.91 | Manual |
| FR | RIAF | Pg | 09:23:02.3 | 0.75 | 320.84 | 0.98 | Manual |
| FR | GARF | Pg | 09:23:09.8 | 0.22 | 98.93 | 1.39 | Manual |