This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | -0.4 MLv |
| Local datetime | 2023/07/21 04:40 |
| Universal datetime | 2023/07/21 02:40 |
| Latitude | 46.20 ° ± 0.2 km |
| Longitude | -0.72 ° ± 0.1 km |
| Depth | 4 km (from location) ± 0.3 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Niort 
|
24 | 58707 |
| Rochefort
|
35 | 24151 |
| Fontenay-le-Comte
|
29 | 13226 |
| Aytré
|
31 | 8725 |
| Périgny
|
29 | 8428 |
| Tonnay-Charente
|
29 | 8010 |
| Lagord
|
33 | 7048 |
| Chauray
|
31 | 7006 |
| Saint-Jean-d'Angély
|
33 | 6976 |
| Surgères
|
11 | 6807 |
| Puilboreau
|
30 | 6182 |
| Châtelaillon-Plage
|
31 | 5846 |
| Nieul-sur-Mer
|
34 | 5759 |
| Aiffres
|
26 | 5506 |
| Dompierre-sur-Mer
|
27 | 5482 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.1 |
| Azimuthal gap | 62.02 ° |
| Number of stations used | 11 |
| 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 |
|---|---|---|---|---|---|---|---|
| Z4 | PSIS5 | Pg | 02:40:48.12 | 0.07 | 261.8 | 0.01 | Manual |
| Z4 | PSIS5 | Sg | 02:40:48.75 | 0.18 | 261.8 | 0.01 | Manual |
| Z4 | PSIS4 | Pg | 02:40:48.22 | 0.03 | 45.96 | 0.02 | Manual |
| Z4 | PSIS4 | Sg | 02:40:48.87 | 0.07 | 45.96 | 0.02 | Manual |
| Z4 | PSIS1 | Sg | 02:40:48.82 | -0.01 | 177.14 | 0.02 | Manual |
| Z4 | PSIS3 | Pg | 02:40:48.40 | -0.04 | 308.17 | 0.04 | Manual |
| Z4 | PSIS3 | Sg | 02:40:49.17 | -0.05 | 308.17 | 0.04 | Manual |
| Z4 | LC14 | Pg | 02:40:48.48 | -0.02 | 339.45 | 0.04 | Manual |
| Z4 | LC14 | Sg | 02:40:49.32 | 0 | 339.45 | 0.04 | Manual |
| Z4 | LC15 | Pg | 02:40:48.46 | -0.06 | 33.96 | 0.04 | Manual |
| Z4 | LC17 | Pg | 02:40:48.50 | -0.09 | 126.33 | 0.05 | Manual |
| Z4 | LC17 | Sg | 02:40:49.39 | -0.1 | 126.33 | 0.05 | Manual |
| Z4 | LC16 | Sg | 02:40:49.35 | -0.13 | 107.98 | 0.05 | Manual |
| Z4 | 01X48 | Pg | 02:40:48.58 | -0.03 | 303.31 | 0.05 | Manual |
| Z4 | 01X48 | Sg | 02:40:49.50 | -0.01 | 303.31 | 0.05 | Manual |
| Z4 | 01X27 | Pg | 02:40:49.32 | 0.13 | 234.07 | 0.09 | Manual |
| Z4 | 01X27 | Sg | 02:40:50.64 | 0.16 | 234.07 | 0.09 | Manual |
| Z4 | 01X82 | Pg | 02:40:50.85 | 0.22 | 33.72 | 0.17 | Manual |