This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 2 MLv |
| Local datetime | 2023/09/21 12:15 |
| Universal datetime | 2023/09/21 10:15 |
| Latitude | 48.43 ° ± 0.8 km |
| Longitude | -4.32 ° ± 1 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 |
|---|---|---|
Brest 
|
14 | 140064 |
| Landerneau
|
5 | 15781 |
| Guipavas
|
5 | 14482 |
| Plougastel-Daoulas
|
9 | 13337 |
| Plouzané
|
21 | 12822 |
| Le Relecq-Kerhuon
|
6 | 11462 |
| Landivisiau
|
22 | 9132 |
| Plabennec
|
10 | 8436 |
| Saint-Renan
|
22 | 8110 |
| Guilers
|
18 | 7981 |
| Crozon
|
24 | 7477 |
| Lesneven
|
17 | 7311 |
| Plouguerneau
|
23 | 6607 |
| Gouesnou
|
10 | 6116 |
| Lannilis
|
22 | 5592 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.42 |
| Azimuthal gap | 253.22 ° |
| Number of stations used | 6 |
| Number of phases used | 10 |
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 | LOCF | Pg | 10:15:20.62 | -0.19 | 59.68 | 0.5 | Manual |
| FR | LOCF | Sg | 10:15:27.60 | 0.09 | 59.68 | 0.5 | Manual |
| FR | OLIV | Pg | 10:15:21.49 | 0.32 | 166.47 | 0.52 | Manual |
| FR | OLIV | Sg | 10:15:27.71 | -0.45 | 166.47 | 0.52 | Manual |
| RD | ROSF | Pg | 10:15:25.9 | 0.45 | 97.11 | 0.71 | Manual |
| FR | PLOF | Pn | 10:15:29.64 | -0.42 | 138.33 | 0.91 | Manual |
| FR | PLOF | Sn | 10:15:43.71 | -0.73 | 138.33 | 0.91 | Manual |
| FR | GUEF | Pg | 10:15:35.45 | 0.61 | 114.92 | 1.25 | Manual |
| FR | GUEF | Sg | 10:15:51.60 | -0.23 | 114.92 | 1.25 | Manual |
| FR | PLEF | Sg | 10:15:53.86 | -0.3 | 86.41 | 1.33 | Manual |