This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 1.8 MLv |
| Local datetime | 2023/06/21 12:03 |
| Universal datetime | 2023/06/21 10:03 |
| Latitude | 47.13 ° ± 0.5 km |
| Longitude | -1.90 ° ± 0.3 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-Herblain 
|
22 | 46268 |
| Couëron
|
17 | 21372 |
| Bouguenais
|
22 | 19331 |
| Pornic
|
12 | 15018 |
| Saint-Brevin-les-Pins
|
23 | 13802 |
| Saint-Philbert-de-Grand-Lieu
|
20 | 8921 |
| Sautron
|
23 | 8192 |
| Bouaye
|
17 | 7844 |
| Machecoul-Saint-Même
|
16 | 7473 |
| Saint-Étienne-de-Montluc
|
17 | 7129 |
| Sainte-Pazanne
|
8 | 6774 |
| Chaumes-en-Retz
|
2 | 6759 |
| La Montagne
|
17 | 6231 |
| Saint-Jean-de-Boiseau
|
15 | 5827 |
| Le Pellerin
|
11 | 5100 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.3 |
| Azimuthal gap | 129.41 ° |
| Number of stations used | 11 |
| 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 | BOUF | Pg | 10:03:58.49 | -0.13 | 81.68 | 0.18 | Manual |
| FR | BEGF | Pg | 10:04:05.59 | 0.2 | 332.92 | 0.54 | Manual |
| FR | BEGF | Sg | 10:04:13.20 | 0.55 | 332.92 | 0.54 | Manual |
| FR | RIAF | Pg | 10:04:05.52 | 0.02 | 46.73 | 0.55 | Manual |
| FR | RIAF | Sg | 10:04:12.87 | 0.04 | 46.73 | 0.55 | Manual |
| FR | LGIF | Pg | 10:04:09.86 | 0.4 | 153.26 | 0.76 | Manual |
| FR | CRNF | Pg | 10:04:10.92 | -0.3 | 89.54 | 0.85 | Manual |
| FR | CRNF | Sg | 10:04:22.50 | -0.25 | 89.54 | 0.85 | Manual |
| FR | GUEF | Pg | 10:04:12.11 | -0.06 | 326.77 | 0.9 | Manual |
| FR | GUEF | Pn | 10:04:13.8 | -0.76 | 326.77 | 0.9 | Manual |
| FR | GUEF | Sg | 10:04:24.21 | -0.15 | 326.77 | 0.9 | Manual |
| FR | GUEF | Sn | 10:04:28.10 | -0.05 | 326.77 | 0.9 | Manual |
| FR | BIMF | Pg | 10:04:12.13 | -0.13 | 282.67 | 0.91 | Manual |
| FR | DAUF | Pg | 10:04:17.44 | 0.23 | 62.85 | 1.17 | Manual |
| FR | DAUF | Sg | 10:04:32.75 | -0.36 | 62.85 | 1.17 | Manual |
| FR | MTNF | Pg | 10:04:20.48 | 0.15 | 31.61 | 1.34 | Manual |
| FR | MTNF | Sg | 10:04:38.44 | -0.05 | 31.61 | 1.34 | Manual |
| FR | PLEF | Pg | 10:04:21.70 | 0.45 | 348.01 | 1.39 | Manual |
| RD | ROSF | Pg | 10:04:23.77 | 0.17 | 322.82 | 1.52 | Manual |