This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2021/07/20 11:02 |
| Universal datetime | 2021/07/20 09:02 |
| Latitude | 46.98 ° ± 3 km |
| Longitude | -0.29 ° ± 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 
|
45 | 53917 |
| Saumur
|
36 | 26734 |
| Chemillé-en-Anjou
|
42 | 21392 |
| Bressuire
|
20 | 19519 |
| Thouars
|
3 | 13990 |
| Doué-en-Anjou
|
24 | 11005 |
| Brissac Loire Aubance
|
42 | 10807 |
| Parthenay
|
37 | 10267 |
| Gennes-Val-de-Loire
|
40 | 8724 |
| Mauléon
|
35 | 8519 |
| Lys-Haut-Layon
|
23 | 7880 |
| Loudun
|
30 | 6747 |
| Bellevigne-en-Layon
|
38 | 5730 |
| Nueil-les-Aubiers
|
24 | 5541 |
| Moncoutant-sur-Sèvre
|
37 | 5046 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.38 |
| Azimuthal gap | 157.34 ° |
| Number of stations used | 5 |
| Number of phases used | 8 |
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 | 09:02:53.12 | -0.27 | 302.85 | 0.29 | Manual |
| FR | CRNF | Sg | 09:02:57.51 | 0.29 | 302.85 | 0.29 | Manual |
| FR | DAUF | Pg | 09:03:00.87 | 0.18 | 356.38 | 0.69 | Manual |
| FR | DAUF | Sg | 09:03:09.79 | -0.16 | 356.38 | 0.69 | Manual |
| FR | CHIF | Pg | 09:03:04.49 | 0.79 | 185.54 | 0.85 | Manual |
| FR | LGIF | Pg | 09:03:05.16 | -0.03 | 236.36 | 0.93 | Manual |
| FR | LGIF | Sg | 09:03:17.42 | -0.31 | 236.36 | 0.93 | Manual |
| FR | GNEF | Pg | 09:03:05.51 | -0.48 | 153.72 | 0.97 | Manual |