This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2021/11/18 12:53 |
| Universal datetime | 2021/11/18 11:53 |
| Latitude | 46.88 ° ± 3 km |
| Longitude | -0.27 ° ± 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 |
|---|---|---|
Saumur 
|
46 | 26734 |
| Bressuire
|
16 | 19519 |
| Thouars
|
11 | 13990 |
| Doué-en-Anjou
|
35 | 11005 |
| Parthenay
|
26 | 10267 |
| Mauléon
|
37 | 8519 |
| Lys-Haut-Layon
|
33 | 7880 |
| Loudun
|
32 | 6747 |
| Sèvremont
|
44 | 6486 |
| Bellevigne-en-Layon
|
48 | 5730 |
| Saint-Martin-la-Pallu
|
44 | 5546 |
| Nueil-les-Aubiers
|
26 | 5541 |
| Pouzauges
|
44 | 5514 |
| Neuville-de-Poitou
|
46 | 5324 |
| Moncoutant-sur-Sèvre
|
30 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.33 |
| Azimuthal gap | 73.98 ° |
| Number of stations used | 11 |
| Number of phases used | 20 |
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 | 11:53:07.18 | -0.59 | 315.18 | 0.36 | Manual |
| FR | CRNF | Sg | 11:53:12.75 | 0.18 | 315.18 | 0.36 | Manual |
| FR | GIZF | Pg | 11:53:12.40 | -0.14 | 31.11 | 0.62 | Manual |
| FR | GIZF | Sg | 11:53:20.84 | -0.07 | 31.11 | 0.62 | Manual |
| FR | CHIF | Pg | 11:53:15.5 | 0.09 | 187.04 | 0.75 | Manual |
| FR | DAUF | Pg | 11:53:15.79 | 0.19 | 356.12 | 0.78 | Manual |
| FR | LGIF | Pg | 11:53:17.56 | 0.09 | 242.06 | 0.89 | Manual |
| FR | LGIF | Sg | 11:53:29.76 | 0.32 | 242.06 | 0.89 | Manual |
| FR | LGIF | Sn | 11:53:33.34 | -0.02 | 242.06 | 0.89 | Manual |
| FR | RIAF | Pg | 11:53:18.44 | -0.2 | 311.98 | 0.95 | Manual |
| FR | RIAF | Sn | 11:53:35.5 | 0.13 | 311.98 | 0.95 | Manual |
| FR | BOUF | Pg | 11:53:19.6 | -0.09 | 287.37 | 0.98 | Manual |
| FR | GARF | Pg | 11:53:25.81 | -0.02 | 105.09 | 1.33 | Manual |
| FR | GARF | Sg | 11:53:44.29 | 0.4 | 105.09 | 1.33 | Manual |
| FR | SOMF | Pn | 11:53:25.94 | -0.82 | 8.74 | 1.44 | Manual |
| FR | SOMF | Pg | 11:53:27.36 | -0.41 | 8.74 | 1.44 | Manual |
| FR | SOMF | Sg | 11:53:47.87 | 0.6 | 8.74 | 1.44 | Manual |
| FR | MTNF | Pg | 11:53:28.11 | 0.17 | 344.71 | 1.45 | Manual |
| FR | MTNF | Sg | 11:53:47.87 | 0.32 | 344.71 | 1.45 | Manual |
| FR | ABJF | Pg | 11:53:28.58 | -0.13 | 150.77 | 1.49 | Manual |