This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.7 MLv |
| Local datetime | 2022/07/21 12:37 |
| Universal datetime | 2022/07/21 10:37 |
| Latitude | 47.50 ° ± 3 km |
| Longitude | -2.30 ° ± 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 |
| Pontchâteau
|
17 | 10684 |
| Pornichet
|
27 | 10669 |
| Redon
|
24 | 9014 |
| Theix-Noyalo
|
30 | 7966 |
| Donges
|
25 | 7961 |
| Trignac
|
22 | 7868 |
| Questembert
|
21 | 7585 |
| Montoir-de-Bretagne
|
24 | 7088 |
| Herbignac
|
6 | 6822 |
| Saint-André-des-Eaux
|
20 | 6473 |
| Missillac
|
9 | 5342 |
| Muzillac
|
15 | 5015 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.36 |
| Azimuthal gap | 104.77 ° |
| 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 | BEGF | Pg | 10:37:24.1 | -0.32 | 11.87 | 0.11 | Manual |
| FR | BEGF | Sg | 10:37:25.90 | 0.11 | 11.87 | 0.11 | Manual |
| FR | GUEF | Pg | 10:37:30.51 | -0.19 | 329.38 | 0.45 | Manual |
| FR | GUEF | Sg | 10:37:36.96 | 0.31 | 329.38 | 0.45 | Manual |
| FR | BOUF | Pg | 10:37:32.4 | -0.85 | 127.27 | 0.56 | Manual |
| FR | BIMF | Pg | 10:37:34.4 | -0.26 | 254.23 | 0.64 | Manual |
| FR | PLOF | Pg | 10:37:37.23 | -0.12 | 287.97 | 0.8 | Manual |
| FR | PLOF | Sg | 10:37:48.63 | 0.42 | 287.97 | 0.8 | Manual |
| FR | CRNF | Pg | 10:37:44.10 | -0.23 | 107.64 | 1.18 | Manual |
| FR | CRNF | Sg | 10:38:00.43 | 0.13 | 107.64 | 1.18 | Manual |
| FR | LGIF | Pg | 10:37:44.72 | -0.22 | 149.46 | 1.21 | Manual |
| FR | LGIF | Sg | 10:38:02.19 | 0.85 | 149.46 | 1.21 | Manual |
| FR | MTNF | Pn | 10:37:45.33 | -0.14 | 51.25 | 1.24 | Manual |
| FR | MTNF | Sg | 10:38:02.42 | 0.1 | 51.25 | 1.24 | Manual |
| FR | OLIV | Pn | 10:37:46.10 | -0.38 | 289.24 | 1.32 | Manual |
| FR | OLIV | Sg | 10:38:04.96 | 0.26 | 289.24 | 1.32 | Manual |
| FR | DAUF | Pn | 10:37:46.83 | 0.23 | 82.51 | 1.33 | Manual |
| FR | DAUF | Sg | 10:38:05.27 | 0.28 | 82.51 | 1.33 | Manual |
| FR | LOCF | Pg | 10:37:50.40 | 0.21 | 322.36 | 1.49 | Manual |
| FR | LOCF | Sn | 10:38:09.84 | -0.22 | 322.36 | 1.49 | Manual |