This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2025/05/21 11:53
Universal datetime 2025/05/21 09:53
Latitude 48.32 ° ± 0.5 km
Longitude -2.04 ° ± 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
Dinan  14 14166
Pacé  27 11739
Betton  33 11735
Saint-Grégoire  32 9639
Le Rheu  31 8740
Mordelles  30 7363
Pleurtuit  29 6806
Montfort-sur-Meu  22 6653
Melesse  28 6576
Bréal-sous-Montfort  33 6131
Combourg  24 5940
Montauban-de-Bretagne  13 5840
Vezin-le-Coquet  31 5727
Dol-de-Bretagne  32 5693
Gévezé  21 5301

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.33
Azimuthal gap 72.39 °
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 PLEF Pg 09:53:36.69 -0.19 311.4 0.26 Manual
FR PLEF Sg 09:53:40.80 0.54 311.4 0.26 Manual
FR BEGF Sg 09:53:55.66 0.41 192.07 0.72 Manual
FR MTNF Pg 09:53:46.36 -0.51 93.11 0.8 Manual
FR SROF Pg 09:53:49.61 -0.11 40.04 0.95 Manual
FR SROF Sg 09:54:02.88 0.32 40.04 0.95 Manual
FR BESN Pg 09:53:52.26 -0.05 14.73 1.09 Manual
FR BESN Sg 09:54:07.66 0.6 14.73 1.09 Manual
FR DAUF Pg 09:53:56.76 0.33 119.68 1.31 Manual
FR DAUF Sg 09:54:14.2 -0.17 119.68 1.31 Manual
FR SOMF Pg 09:53:58.17 0.16 90.16 1.4 Manual
FR SOMF Sg 09:54:17.5 0.13 90.16 1.4 Manual
FR OLIV Pg 09:53:59.23 -0.08 254.99 1.47 Manual