This event was reviewed by an analyst and confirmed.
| Type | Quarry blast |
| Magnitude | 2.2 MLv |
| Local datetime | 2021/10/08 15:30 |
| Universal datetime | 2021/10/08 13:30 |
| Latitude | 48.15 ° ± 4 km |
| Longitude | -2.55 ° ± 4 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-Brieuc 
|
44 | 44372 |
| Lamballe-Armor
|
37 | 16578 |
| Pontivy
|
33 | 14606 |
| Ploufragan
|
42 | 11546 |
| Ploërmel
|
29 | 9837 |
| Loudéac
|
15 | 9571 |
| Trégueux
|
40 | 8432 |
| Langueux
|
41 | 7692 |
| Plédran
|
36 | 6666 |
| Montfort-sur-Meu
|
44 | 6653 |
| Le Mené
|
15 | 6417 |
| Guer
|
41 | 6192 |
| Elven
|
46 | 6021 |
| Montauban-de-Bretagne
|
36 | 5840 |
| Yffiniac
|
37 | 5010 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.33 |
| Azimuthal gap | 109.26 ° |
| Number of stations used | 6 |
| Number of phases used | 9 |
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 | GUEF | Pg | 13:30:59.50 | -0.4 | 192.49 | 0.27 | Manual |
| FR | GUEF | Sg | 13:31:03.79 | 0.4 | 192.49 | 0.27 | Manual |
| FR | PLOF | Pg | 13:31:08.78 | 0.52 | 236.08 | 0.72 | Manual |
| FR | LOCF | Pg | 13:31:11.83 | -0.16 | 305.63 | 0.92 | Manual |
| FR | LOCF | Sg | 13:31:24.47 | 0.07 | 305.63 | 0.92 | Manual |
| FR | BIMF | Pg | 13:31:11.77 | -0.53 | 208.43 | 0.93 | Manual |
| FR | MTNF | Pg | 13:31:16.29 | 0.08 | 83.23 | 1.14 | Manual |
| FR | SROF | Pg | 13:31:19.9 | -0.19 | 46.29 | 1.31 | Manual |
| FR | SROF | Sg | 13:31:37.22 | 0.21 | 46.29 | 1.31 | Manual |