This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2023/01/25 12:44
Universal datetime 2023/01/25 11:44
Latitude 48.50 ° ± 0.2 km
Longitude -4.67 ° ± 0.4 km
Depth 0 km (operator assigned) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Brest  17 140064
Landerneau  30 15781
Guipavas  22 14482
Plougastel-Daoulas  26 13337
Plouzané  14 12822
Le Relecq-Kerhuon  23 11462
Plabennec  19 8436
Saint-Renan  9 8110
Guilers  12 7981
Lesneven  28 7311
Plouguerneau  18 6607
Ploudalmézeau  4 6297
Gouesnou  16 6116
Lannilis  13 5592
Locmaria-Plouzané  14 5076

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.39
Azimuthal gap 177.26 °
Number of stations used 10
Number of phases used 11

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
RA UBBR Pg 11:44:17.87 -0.2 152.73 0.16 Manual
FR CAMF Pg 11:44:19.75 0.22 170.79 0.23 Manual
FR OLIV Pg 11:44:27.79 -0.01 148.35 0.67 Manual
FR LOCF Pg 11:44:28.20 0.19 74.36 0.69 Manual
RD ROSF Pg 11:44:32.58 -0.23 99.37 0.94 Manual
FR PLOF Pg 11:44:36.29 0.19 131.68 1.12 Manual
FR PLOF Sg 11:44:50.58 -0.69 131.68 1.12 Manual
FR BIMF Pg 11:44:43.39 -0.37 139.32 1.53 Manual
GB CCA1 Pg 11:44:47.60 0.49 348.05 1.73 Manual
FR BEGF Pg 11:44:48.100 -0.03 117.79 1.84 Manual
GB DYA Pg 11:44:50.91 -0.76 13.69 2 Manual