This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2025/04/30 11:44
Universal datetime 2025/04/30 09:44
Latitude 48.02 ° ± 0.2 km
Longitude -4.17 ° ± 0.2 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
Quimper  6 62985
Concarneau  24 19050
Douarnenez  14 13902
Fouesnant  20 9458
Pont-l'Abbé  18 8250
Ergué-Gabéric  12 8208
Rosporden  28 7671
Crozon  35 7477
Trégunc  32 7041
Plonéour-Lanvern  15 6064
Bannalec  36 5659
Briec  14 5630
Scaër  32 5380
Penmarch  27 5247
Châteaulin  21 5214

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.36
Azimuthal gap 138.19 °
Number of stations used 10
Number of phases used 15

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 UBQP Pg 09:44:33.40 0.09 134.8 0.07 Manual
FR OLIV Pg 09:44:33.82 -0.1 171.56 0.1 Manual
FR OLIV Sg 09:44:35.29 0.1 171.56 0.1 Manual
FR CAMF Pg 09:44:39.94 0.42 309.75 0.39 Manual
RA UBBR Pg 09:44:40.84 0.6 321.99 0.43 Manual
FR PLOF Pg 09:44:43.3 0.24 118.71 0.57 Manual
FR PLOF Sg 09:44:51.21 0.81 118.71 0.57 Manual
RD ROSF Pg 09:44:44.49 -0.32 61.78 0.68 Manual
FR LOCF Pg 09:44:45.82 -0.12 26.31 0.74 Manual
FR BIMF Pg 09:44:49.81 -0.15 136.47 0.95 Manual
FR BIMF P 09:44:49.88 -0.09 136.47 0.95 Manual
FR GUEF Pg 09:44:51.47 -0.1 96.8 1.04 Manual
FR GUEF Sg 09:45:06.19 0.58 96.8 1.04 Manual
FR PLEF Pn 09:44:56.10 -0.19 68.16 1.31 Manual
FR PLEF Pg 09:44:57.6 0.38 68.16 1.31 Manual