This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2023/05/22 11:20
Universal datetime 2023/05/22 09:20
Latitude 48.13 ° ± 0.3 km
Longitude -2.47 ° ± 0.3 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
Lamballe-Armor  39 16578
Pontivy  38 14606
Dinan  46 14166
Ploërmel  25 9837
Loudéac  22 9571
Trégueux  44 8432
Langueux  45 7692
Plédran  40 6666
Montfort-sur-Meu  37 6653
Le Mené  17 6417
Guer  36 6192
Bréal-sous-Montfort  46 6131
Elven  46 6021
Montauban-de-Bretagne  31 5840
Yffiniac  40 5010

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.31
Azimuthal gap 149.77 °
Number of stations used 8
Number of phases used 13

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 Pg 09:20:16.81 -0.01 204.69 0.27 Manual
FR PLEF Pg 09:20:18.52 -0.19 13.73 0.37 Manual
RD ROSF Pg 09:20:22.16 -0.38 290.87 0.58 Manual
FR LOUF Pg 09:20:29.66 0.08 54.91 0.96 Manual
FR LOUF Sg 09:20:42.44 -0.06 54.91 0.96 Manual
FR LOCF Pg 09:20:30.41 0.53 304.6 0.97 Manual
FR LOCF Sg 09:20:43.39 0.36 304.6 0.97 Manual
GB JSA Pg 09:20:32.17 0.41 10.36 1.07 Manual
GB JSA Sg 09:20:45.94 -0.33 10.36 1.07 Manual
FR OLIV Pg 09:20:33.37 0.25 260.03 1.15 Manual
FR OLIV Sg 09:20:48.17 -0.45 260.03 1.15 Manual
FR BESN Pg 09:20:37.32 0.15 24.09 1.36 Manual
FR BESN Sg 09:20:55.39 -0.25 24.09 1.36 Manual