This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/05/12 11:55
Universal datetime 2023/05/12 09:55
Latitude 47.74 ° ± 4 km
Longitude -2.62 ° ± 3 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
Vannes  14 53352
Auray  29 13627
Saint-Avé  10 11642
Ploërmel  27 9837
Séné  15 8947
Sarzeau  26 8182
Theix-Noyalo  12 7966
Questembert  16 7585
Ploeren  19 6575
Elven  2 6021
Plescop  17 5854
Pluneret  25 5722
Grand-Champ  17 5404
Arradon  19 5340
Muzillac  23 5015

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 150.08 °
Number of stations used 9
Number of phases used 12

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
FR GUEF Sg 09:55:52.94 0.37 356.12 0.15 Manual
FR BEGF Pg 09:55:52.59 -0.46 117.17 0.27 Manual
FR BEGF Sg 09:55:56.79 0.21 117.17 0.27 Manual
RD ROSF Pg 09:56:01.37 -0.44 323.9 0.74 Manual
FR PLEF Pg 09:56:02.64 0.12 14.11 0.78 Manual
FR BOUF Pg 09:56:05.32 0.89 130.64 0.88 Manual
FR RIAF Sn 09:56:20.29 -0.78 104.26 0.91 Manual
FR OLIV Sg 09:56:21.66 0.11 280.72 1.04 Manual
FR LOCF Pg 09:56:09.84 -0.04 323.53 1.18 Manual
FR LOCF Sg 09:56:25.62 -0.16 323.53 1.18 Manual
FR MTNF Pg 09:56:12.40 0.11 65.21 1.3 Manual
FR MTNF Sg 09:56:30.0 0.05 65.21 1.3 Manual