This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 2 MLv |
| Local datetime | 2022/04/28 12:47 |
| Universal datetime | 2022/04/28 10:47 |
| Latitude | 47.50 ° ± 3 km |
| Longitude | -2.28 ° ± 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 |
|---|---|---|
Saint-Nazaire 
|
25 | 69993 |
| La Baule-Escoublac
|
24 | 16132 |
| Guérande
|
21 | 15873 |
| Saint-Brevin-les-Pins
|
30 | 13802 |
| Pontchâteau
|
16 | 10684 |
| Pornichet
|
27 | 10669 |
| Redon
|
24 | 9014 |
| Donges
|
24 | 7961 |
| Trignac
|
22 | 7868 |
| Questembert
|
22 | 7585 |
| Montoir-de-Bretagne
|
23 | 7088 |
| Herbignac
|
6 | 6822 |
| Saint-André-des-Eaux
|
20 | 6473 |
| Missillac
|
8 | 5342 |
| Muzillac
|
16 | 5015 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.37 |
| Azimuthal gap | 105.1 ° |
| Number of stations used | 12 |
| Number of phases used | 19 |
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 | BEGF | Pg | 10:47:40.73 | -0.22 | 7.29 | 0.12 | Manual |
| FR | BEGF | Sg | 10:47:42.46 | 0.03 | 7.29 | 0.12 | Manual |
| FR | GUEF | Pg | 10:47:47.6 | -0.34 | 328.74 | 0.45 | Manual |
| FR | BOUF | Pg | 10:47:48.36 | -0.92 | 127.46 | 0.55 | Manual |
| FR | BIMF | Pg | 10:47:51.9 | 0.1 | 254.81 | 0.65 | Manual |
| FR | RIAF | Pg | 10:47:50.49 | -0.7 | 89.04 | 0.66 | Manual |
| FR | PLOF | Pg | 10:47:53.86 | -0.23 | 288.08 | 0.81 | Manual |
| FR | CRNF | Pg | 10:48:00.65 | -0.07 | 107.58 | 1.17 | Manual |
| FR | CRNF | Sg | 10:48:16.91 | 0.36 | 107.58 | 1.17 | Manual |
| FR | LGIF | Pg | 10:48:01.59 | 0.24 | 149.72 | 1.2 | Manual |
| FR | LGIF | Sg | 10:48:17.88 | 0.24 | 149.72 | 1.2 | Manual |
| FR | MTNF | Pg | 10:48:02.25 | 0.26 | 50.86 | 1.24 | Manual |
| FR | MTNF | Sg | 10:48:19.1 | 0.26 | 50.86 | 1.24 | Manual |
| FR | DAUF | Pg | 10:48:03.59 | 0.13 | 82.29 | 1.32 | Manual |
| FR | DAUF | Sg | 10:48:21.65 | 0.36 | 82.29 | 1.32 | Manual |
| FR | OLIV | Pg | 10:48:03.59 | -0.03 | 289.31 | 1.33 | Manual |
| FR | OLIV | Sg | 10:48:22.28 | 0.72 | 289.31 | 1.33 | Manual |
| FR | LOCF | Pg | 10:48:06.88 | -0.03 | 322.22 | 1.5 | Manual |
| FR | LOCF | Sn | 10:48:26.68 | -0.15 | 322.22 | 1.5 | Manual |