This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.4 MLv |
| Local datetime | 2021/04/21 12:52 |
| Universal datetime | 2021/04/21 10:52 |
| Latitude | 46.87 ° ± 2 km |
| Longitude | -0.28 ° ± 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
|
15 | 19519 |
| Thouars
|
11 | 13990 |
| Doué-en-Anjou
|
35 | 11005 |
| Parthenay
|
26 | 10267 |
| Mauléon
|
37 | 8519 |
| Lys-Haut-Layon
|
33 | 7880 |
| Loudun
|
33 | 6747 |
| Sèvremont
|
44 | 6486 |
| Bellevigne-en-Layon
|
48 | 5730 |
| Saint-Martin-la-Pallu
|
44 | 5546 |
| Nueil-les-Aubiers
|
25 | 5541 |
| Pouzauges
|
43 | 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 | 0.39 |
| Azimuthal gap | 60.88 ° |
| Number of stations used | 13 |
| Number of phases used | 23 |
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 | 10:52:54.28 | -0.57 | 315.88 | 0.36 | Manual |
| FR | CRNF | Sg | 10:52:59.59 | -0.06 | 315.88 | 0.36 | Manual |
| FR | GIZF | Pg | 10:52:59.75 | 0.03 | 31.27 | 0.62 | Manual |
| FR | GIZF | Sg | 10:53:08.41 | 0.27 | 31.27 | 0.62 | Manual |
| FR | CHIF | Pg | 10:53:02.4 | 0.04 | 186.78 | 0.75 | Manual |
| FR | CHIF | Sg | 10:53:12.86 | 0.78 | 186.78 | 0.75 | Manual |
| FR | BSCF | Pg | 10:53:03.100 | -0.27 | 94.2 | 0.87 | Manual |
| FR | BSCF | Sg | 10:53:16.62 | 0.61 | 94.2 | 0.87 | Manual |
| FR | GNEF | Pg | 10:53:04.8 | -0.35 | 151.16 | 0.88 | Manual |
| FR | GNEF | Sn | 10:53:19.60 | -0.66 | 151.16 | 0.88 | Manual |
| FR | LGIF | Pg | 10:53:05.6 | 0.57 | 242.09 | 0.88 | Manual |
| FR | LGIF | Sg | 10:53:16.62 | 0.23 | 242.09 | 0.88 | Manual |
| FR | LGIF | Sn | 10:53:20.17 | -0.17 | 242.09 | 0.88 | Manual |
| FR | RIAF | Pg | 10:53:05.71 | 0 | 312.25 | 0.95 | Manual |
| FR | RIAF | Sn | 10:53:21.93 | -0.07 | 312.25 | 0.95 | Manual |
| FR | GARF | Pg | 10:53:12.70 | -0.28 | 104.94 | 1.34 | Manual |
| FR | MTNF | Pg | 10:53:15.23 | 0.16 | 344.87 | 1.45 | Manual |
| FR | MTNF | Sn | 10:53:34.79 | 0.16 | 344.87 | 1.45 | Manual |
| FR | ABJF | Pg | 10:53:15.39 | -0.4 | 150.59 | 1.49 | Manual |
| FR | BEGF | Pg | 10:53:16.0 | -0.72 | 299.44 | 1.54 | Manual |
| FR | BEGF | Sg | 10:53:37.85 | 0.25 | 299.44 | 1.54 | Manual |
| FR | CLEV | Pg | 10:53:25.19 | 0.32 | 33.32 | 2.02 | Manual |
| FR | LABF | Pn | 10:53:46.51 | 0.12 | 176.14 | 3.84 | Manual |