This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2023/08/11 10:30 |
| Universal datetime | 2023/08/11 08:30 |
| Latitude | 46.92 ° ± 0.2 km |
| Longitude | -0.32 ° ± 0.2 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 |
|---|---|---|
Cholet 
|
45 | 53917 |
| Saumur
|
43 | 26734 |
| Chemillé-en-Anjou
|
45 | 21392 |
| Bressuire
|
14 | 19519 |
| Thouars
|
8 | 13990 |
| Doué-en-Anjou
|
31 | 11005 |
| Parthenay
|
31 | 10267 |
| Mauléon
|
33 | 8519 |
| Lys-Haut-Layon
|
27 | 7880 |
| Loudun
|
34 | 6747 |
| Sèvremont
|
42 | 6486 |
| Bellevigne-en-Layon
|
43 | 5730 |
| Nueil-les-Aubiers
|
21 | 5541 |
| Pouzauges
|
42 | 5514 |
| 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 | 0.23 |
| Azimuthal gap | 108.02 ° |
| Number of stations used | 14 |
| Number of phases used | 21 |
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 | 08:30:34.42 | -0.43 | 314.11 | 0.31 | Manual |
| FR | CRNF | Sg | 08:30:38.95 | 0 | 314.11 | 0.31 | Manual |
| RD | MFF | Pg | 08:30:34.94 | -0.34 | 159.15 | 0.34 | Manual |
| RD | MFF | Sg | 08:30:39.57 | -0.14 | 159.15 | 0.34 | Manual |
| FR | DAUF | Pg | 08:30:43.12 | 0.26 | 358.28 | 0.74 | Manual |
| Z4 | PSIS2 | Pg | 08:30:43.12 | 0.24 | 206.31 | 0.75 | Manual |
| Z4 | PSIS3 | Pg | 08:30:43.25 | 0.13 | 204.08 | 0.76 | Manual |
| Z4 | PSIS5 | Pg | 08:30:43.47 | 0.1 | 202 | 0.77 | Manual |
| Z4 | PSIS1 | Pg | 08:30:43.86 | 0.25 | 200.93 | 0.78 | Manual |
| FR | CHIF | Pg | 08:30:43.80 | 0.16 | 184.39 | 0.79 | Manual |
| FR | LGIF | Pg | 08:30:45.38 | 0.03 | 238.79 | 0.88 | Manual |
| FR | GNEF | Pg | 08:30:45.88 | -0.4 | 150.9 | 0.93 | Manual |
| FR | BOUF | Pg | 08:30:46.52 | 0.13 | 285.6 | 0.93 | Manual |
| FR | BOUF | Sg | 08:30:58.64 | -0.38 | 285.6 | 0.93 | Manual |
| FR | GARF | Pn | 08:30:54.30 | 0.4 | 106.3 | 1.37 | Manual |
| FR | GARF | Sg | 08:31:13.24 | 0.03 | 106.3 | 1.37 | Manual |
| FR | GARF | Sn | 08:31:13.77 | 0.09 | 106.3 | 1.37 | Manual |
| FR | MTNF | Pn | 08:30:54.21 | -0.05 | 345.48 | 1.4 | Manual |
| FR | MTNF | Sg | 08:31:14.3 | -0.05 | 345.48 | 1.4 | Manual |
| FR | ABJF | Pg | 08:30:57.42 | -0.2 | 150.44 | 1.54 | Manual |
| FR | ABJF | Sn | 08:31:17.84 | 0.05 | 150.44 | 1.54 | Manual |