This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2025/08/06 12:11
Universal datetime 2025/08/06 10:11
Latitude 48.55 ° ± 0.3 km
Longitude -1.68 ° ± 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
Saint-Malo  24 46097
Fougères  42 20418
Dinan  29 14166
Granville  33 12580
Betton  41 11735
Avranches  29 10155
Dinard  29 10027
Liffré  40 7609
Pleurtuit  28 6806
Melesse  37 6576
Saint-Hilaire-du-Harcouët  40 6094
Combourg  16 5940
Dol-de-Bretagne  4 5693
Gévezé  38 5301
Cancale  20 5121

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.28
Azimuthal gap 57.1 °
Number of stations used 13
Number of phases used 16

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 LOUF Pg 10:11:19.57 -0.19 64.08 0.29 Manual
FR LOUF Sg 10:11:23.48 -0.1 64.08 0.29 Manual
FR PLEF Pg 10:11:22.27 -0.13 263 0.44 Manual
FR MTNF Pg 10:11:26.11 0.21 116.06 0.62 Manual
FR SROF Pg 10:11:25.63 -0.32 37.24 0.63 Manual
FR SROF Sg 10:11:34.52 0.14 37.24 0.63 Manual
GB JSA Pg 10:11:27.59 -0.03 333.47 0.72 Manual
FR BESN Pg 10:11:29.88 0.18 3.17 0.83 Manual
FR GUEF Sn 10:11:46.89 -0.58 224.17 0.92 Manual
FR BEGF Pn 10:11:34.6 -0.2 202.72 1.01 Manual
FR RIAF Sn 10:11:50.93 -0.43 166.44 1.07 Manual
RD ROSF Pg 10:11:34.35 -0.04 259.21 1.08 Manual
FR DAUF Pg 10:11:37.100 0.25 134.4 1.26 Manual
FR LOCF Pg 10:11:39.22 0.24 276.36 1.33 Manual
FR LOCF Sn 10:11:57.85 0.11 276.36 1.33 Manual
FR BOUF Pg 10:11:40.71 0.55 178.7 1.39 Manual