This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2023/05/11 11:15 |
| Universal datetime | 2023/05/11 09:15 |
| Latitude | 46.53 ° ± 3 km |
| Longitude | -0.35 ° ± 3 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 
|
24 | 58707 |
| Bressuire
|
38 | 19519 |
| Thouars
|
50 | 13990 |
| Fontenay-le-Comte
|
35 | 13226 |
| Parthenay
|
16 | 10267 |
| Chauray
|
20 | 7006 |
| Saint-Maixent-l'École
|
17 | 6982 |
| Melle
|
38 | 6213 |
| Vouneuil-sous-Biard
|
48 | 5896 |
| La Crèche
|
18 | 5635 |
| Nueil-les-Aubiers
|
50 | 5541 |
| Pouzauges
|
46 | 5514 |
| Aiffres
|
28 | 5506 |
| Neuville-de-Poitou
|
49 | 5324 |
| Moncoutant-sur-Sèvre
|
27 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.45 |
| Azimuthal gap | 78.72 ° |
| Number of stations used | 10 |
| Number of phases used | 18 |
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 | CHIF | Pg | 09:15:36.13 | -0.17 | 186.1 | 0.4 | Manual |
| FR | CHIF | Sg | 09:15:41.73 | 0.15 | 186.1 | 0.4 | Manual |
| FR | GNEF | Pg | 09:15:39.83 | -0.82 | 131.97 | 0.63 | Manual |
| FR | CRNF | Pg | 09:15:40.38 | -0.46 | 341.11 | 0.64 | Manual |
| FR | CRNF | Sg | 09:15:49.11 | -0.38 | 341.11 | 0.64 | Manual |
| FR | LGIF | Pg | 09:15:42.30 | -0.3 | 264.81 | 0.74 | Manual |
| FR | LGIF | Sg | 09:15:53.17 | 0.65 | 264.81 | 0.74 | Manual |
| FR | BSCF | Pg | 09:15:46.47 | -0.2 | 72.73 | 0.96 | Manual |
| FR | BSCF | Sg | 09:16:00.52 | 0.93 | 72.73 | 0.96 | Manual |
| FR | DAUF | Pg | 09:15:50.5 | 0.09 | 359.76 | 1.13 | Manual |
| FR | DAUF | Sg | 09:16:05.40 | 0.11 | 359.76 | 1.13 | Manual |
| FR | RIAF | Pg | 09:15:51.9 | 0.2 | 326.26 | 1.18 | Manual |
| FR | RIAF | Sg | 09:16:06.91 | 0.04 | 326.26 | 1.18 | Manual |
| FR | GARF | Pg | 09:15:53.60 | -0.19 | 89.87 | 1.34 | Manual |
| FR | GZNF | Pn | 09:15:59.88 | 0.33 | 100.46 | 1.8 | Manual |
| FR | GZNF | Pg | 09:16:01.28 | -0.69 | 100.46 | 1.8 | Manual |
| FR | GZNF | Sn | 09:16:24.30 | 0.07 | 100.46 | 1.8 | Manual |
| FR | LEUC | Pn | 09:16:12.34 | 0.64 | 129.96 | 2.69 | Manual |