This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 2 MLv |
| Local datetime | 2023/05/30 11:23 |
| Universal datetime | 2023/05/30 09:23 |
| Latitude | 47.51 ° ± 3 km |
| Longitude | -2.29 ° ± 2 km |
| Depth | 0 km (from location) ± 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
|
25 | 16132 |
| Guérande
|
22 | 15873 |
| Pontchâteau
|
17 | 10684 |
| Pornichet
|
27 | 10669 |
| Redon
|
23 | 9014 |
| Theix-Noyalo
|
30 | 7966 |
| Donges
|
25 | 7961 |
| Trignac
|
23 | 7868 |
| Questembert
|
21 | 7585 |
| Montoir-de-Bretagne
|
24 | 7088 |
| Herbignac
|
7 | 6822 |
| Saint-André-des-Eaux
|
21 | 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 | 0.26 |
| Azimuthal gap | 104.29 ° |
| Number of stations used | 12 |
| Number of phases used | 21 |
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 | 09:23:12.77 | -0.25 | 10.28 | 0.11 | Manual |
| FR | GUEF | Pg | 09:23:18.98 | -0.47 | 328.7 | 0.45 | Manual |
| FR | GUEF | Sg | 09:23:25.65 | 0.26 | 328.7 | 0.45 | Manual |
| FR | BIMF | Pg | 09:23:23.4 | -0.13 | 254.01 | 0.64 | Manual |
| FR | PLOF | Pg | 09:23:26.12 | -0.05 | 287.63 | 0.81 | Manual |
| FR | PLOF | Sg | 09:23:36.76 | -0.31 | 287.63 | 0.81 | Manual |
| FR | PLEF | Pg | 09:23:29.65 | 0.11 | 358.35 | 0.99 | Manual |
| FR | PLEF | Sg | 09:23:43.9 | 0.2 | 358.35 | 0.99 | Manual |
| FR | CRNF | Pg | 09:23:32.76 | -0.3 | 107.88 | 1.18 | Manual |
| FR | CRNF | Sg | 09:23:49.48 | 0.48 | 107.88 | 1.18 | Manual |
| FR | LGIF | Sg | 09:23:50.5 | -0.12 | 149.72 | 1.21 | Manual |
| FR | MTNF | Pg | 09:23:34.21 | 0.03 | 51.28 | 1.24 | Manual |
| FR | MTNF | Sg | 09:23:50.80 | -0.13 | 51.28 | 1.24 | Manual |
| FR | OLIV | Pn | 09:23:35.66 | 0.37 | 289.04 | 1.32 | Manual |
| FR | OLIV | Sg | 09:23:53.98 | 0.43 | 289.04 | 1.32 | Manual |
| FR | DAUF | Pn | 09:23:35.31 | 0 | 82.65 | 1.32 | Manual |
| FR | DAUF | Sg | 09:23:53.85 | 0.23 | 82.65 | 1.32 | Manual |
| FR | LOCF | Pg | 09:23:38.78 | -0.19 | 322.16 | 1.49 | Manual |
| FR | LOCF | Sn | 09:23:58.86 | 0.04 | 322.16 | 1.49 | Manual |
| FR | SOMF | Pg | 09:23:43.75 | 0.11 | 62.48 | 1.76 | Manual |
| FR | SOMF | Sg | 09:24:07.58 | -0.33 | 62.48 | 1.76 | Manual |