This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2023/10/20 11:06 |
| Universal datetime | 2023/10/20 09:06 |
| Latitude | 46.96 ° ± 0.5 km |
| Longitude | -0.84 ° ± 0.5 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 |
|---|---|---|
Cholet 
|
10 | 53917 |
| Sèvremoine
|
24 | 25414 |
| Beaupréau-en-Mauges
|
28 | 23228 |
| Chemillé-en-Anjou
|
31 | 21392 |
| Montaigu-Vendée
|
35 | 20126 |
| Bressuire
|
30 | 19519 |
| Les Herbiers
|
17 | 15958 |
| Essarts en Bocage
|
34 | 8931 |
| Mauléon
|
7 | 8519 |
| Sèvremont
|
13 | 6486 |
| Mortagne-sur-Sèvre
|
9 | 5930 |
| Nueil-les-Aubiers
|
19 | 5541 |
| Chanverrie
|
11 | 5517 |
| Pouzauges
|
19 | 5514 |
| Moncoutant-sur-Sèvre
|
34 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.28 |
| Azimuthal gap | 72.98 ° |
| Number of stations used | 9 |
| Number of phases used | 13 |
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 | 09:06:25.5 | -0.03 | 36.33 | 0.22 | Manual |
| FR | CRNF | Sg | 09:06:28.41 | 0.46 | 36.33 | 0.22 | Manual |
| FR | BOUF | Pg | 09:06:31.26 | -0.5 | 291 | 0.58 | Manual |
| RD | MFF | Pg | 09:06:32.16 | 0.11 | 126.11 | 0.6 | Manual |
| FR | LGIF | Pg | 09:06:32.79 | 0.09 | 218.03 | 0.63 | Manual |
| FR | LGIF | Sg | 09:06:41.6 | -0.14 | 218.03 | 0.63 | Manual |
| FR | DAUF | Pg | 09:06:35.57 | 0.09 | 25.17 | 0.78 | Manual |
| FR | GIZF | Pg | 09:06:36.64 | 0.01 | 57.12 | 0.84 | Manual |
| FR | CHIF | Pn | 09:06:39.12 | 0.04 | 159.68 | 0.88 | Manual |
| FR | BEGF | Pg | 09:06:42.98 | 0.27 | 304.85 | 1.17 | Manual |
| FR | BEGF | Sg | 09:06:58.5 | -0.49 | 304.85 | 1.17 | Manual |
| FR | MTNF | Pn | 09:06:45.3 | -0.04 | 359.94 | 1.32 | Manual |
| FR | MTNF | Sn | 09:07:03.74 | -0.44 | 359.94 | 1.32 | Manual |