This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/04/18 12:24
Universal datetime 2023/04/18 10:24
Latitude 47.91 ° ± 3 km
Longitude -4.00 ° ± 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  11 62985
Concarneau  8 19050
Douarnenez  30 13902
Fouesnant  5 9458
Pont-l'Abbé  17 8250
Ergué-Gabéric  11 8208
Rosporden  16 7671
Trégunc  15 7041
Moëlan-sur-Mer  29 6781
Plonéour-Lanvern  20 6064
Bannalec  23 5659
Briec  20 5630
Scaër  24 5380
Penmarch  28 5247
Châteaulin  32 5214

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.41
Azimuthal gap 138.16 °
Number of stations used 9
Number of phases used 19

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 10:24:58.54 -0.48 314.09 0.08 Manual
RA UBQP Sg 10:25:00.32 0.22 314.09 0.08 Manual
FR OLIV Pg 10:24:59.1 -0.22 275.15 0.09 Manual
FR OLIV Sg 10:25:00.89 0.45 275.15 0.09 Manual
FR PLOF Pg 10:25:05.58 0.07 113.27 0.42 Manual
FR PLOF Sg 10:25:11.83 0.69 113.27 0.42 Manual
RD ROSF Pg 10:25:09.23 -0.45 48.97 0.65 Manual
FR LOCF Pg 10:25:11.90 -0.56 16 0.8 Manual
FR LOCF Sg 10:25:23.53 0.31 16 0.8 Manual
FR BIMF Pg 10:25:12.40 -0.16 136.99 0.8 Manual
FR BIMF Pn 10:25:14.42 -0.33 136.99 0.8 Manual
FR BIMF Sg 10:25:23.9 -0.28 136.99 0.8 Manual
FR GUEF Pg 10:25:15.42 0.59 91.18 0.92 Manual
FR GUEF Sg 10:25:26.74 -0.55 91.18 0.92 Manual
FR BEGF Pg 10:25:19.91 -0.32 103.68 1.21 Manual
FR BEGF Pn 10:25:21.8 0.73 103.68 1.21 Manual
FR BEGF Sn 10:25:38.18 -0.07 103.68 1.21 Manual
FR PLEF Pg 10:25:21.22 0.14 61.95 1.26 Manual
FR PLEF Sg 10:25:38.36 0.23 61.95 1.26 Manual