This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.7 MLv |
| Local datetime | 2021/09/16 13:04 |
| Universal datetime | 2021/09/16 11:04 |
| Latitude | 46.88 ° ± 3 km |
| Longitude | -0.27 ° ± 2 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
|
45 | 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
|
31 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.42 |
| Azimuthal gap | 63.49 ° |
| Number of stations used | 12 |
| 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 | 11:04:29.8 | -0.56 | 314.97 | 0.37 | Manual |
| FR | CRNF | Sg | 11:04:34.34 | -0.14 | 314.97 | 0.37 | Manual |
| FR | GIZF | Pg | 11:04:34.44 | 0.08 | 30.88 | 0.62 | Manual |
| FR | GIZF | Sg | 11:04:42.98 | 0.27 | 30.88 | 0.62 | Manual |
| FR | CHIF | Pg | 11:04:36.58 | -0.2 | 187.24 | 0.75 | Manual |
| FR | DAUF | Pg | 11:04:37.43 | -0.02 | 355.95 | 0.79 | Manual |
| FR | BSCF | Pg | 11:04:38.63 | -0.26 | 94.37 | 0.86 | Manual |
| FR | BSCF | Sg | 11:04:51.37 | 0.81 | 94.37 | 0.86 | Manual |
| FR | GNEF | Pg | 11:04:39.44 | 0.3 | 151.59 | 0.88 | Manual |
| FR | GNEF | Sg | 11:04:50.98 | -0.01 | 151.59 | 0.88 | Manual |
| FR | LGIF | Pg | 11:04:39.67 | 0.32 | 242.17 | 0.89 | Manual |
| FR | LGIF | Sg | 11:04:51.43 | 0.09 | 242.17 | 0.89 | Manual |
| FR | RIAF | Pg | 11:04:40.68 | 0.16 | 311.91 | 0.95 | Manual |
| FR | BOUF | Sg | 11:04:54.13 | -0.12 | 287.36 | 0.98 | Manual |
| FR | GARF | Pg | 11:04:47.66 | 0.05 | 105.09 | 1.33 | Manual |
| FR | GARF | Sg | 11:05:04.81 | -0.82 | 105.09 | 1.33 | Manual |
| FR | SOMF | Pg | 11:04:48.67 | -0.95 | 8.64 | 1.44 | Manual |
| FR | SOMF | Sg | 11:05:09.56 | 0.45 | 8.64 | 1.44 | Manual |
| FR | BEGF | Pg | 11:04:52.15 | 0.6 | 299.26 | 1.54 | Manual |
| FR | BEGF | Sg | 11:05:12.45 | -0.04 | 299.26 | 1.54 | Manual |