This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2022/04/21 11:23
Universal datetime 2022/04/21 09:23
Latitude 48.56 ° ± 3 km
Longitude -1.69 ° ± 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
Saint-Malo  24 46097
Fougères  43 20418
Dinan  30 14166
Granville  32 12580
Betton  42 11735
Avranches  28 10155
Dinard  29 10027
Liffré  41 7609
Pleurtuit  28 6806
Melesse  37 6576
Saint-Hilaire-du-Harcouët  40 6094
Combourg  17 5940
Dol-de-Bretagne  5 5693
Gévezé  39 5301
Cancale  19 5121

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.47
Azimuthal gap 85.88 °
Number of stations used 8
Number of phases used 11

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 09:24:05.64 -0.71 262.02 0.44 Manual
FR SROF Pg 09:24:09.3 -0.76 37.71 0.62 Manual
FR SROF Sg 09:24:18.0 -0.15 37.71 0.62 Manual
FR MTNF Pg 09:24:09.100 0.07 116.63 0.63 Manual
GB JSA Sg 09:24:21.44 0.43 333.25 0.71 Manual
FR BESN Pg 09:24:13.39 -0.12 3.25 0.82 Manual
FR BESN Sg 09:24:25.38 0.79 3.25 0.82 Manual
FR GUEF Pg 09:24:15.53 0.12 223.81 0.92 Manual
FR BEGF Pg 09:24:17.29 0.08 202.51 1.02 Manual
FR BEGF Sg 09:24:31.58 0.6 202.51 1.02 Manual
FR LOCF Sg 09:24:40.47 -0.37 276.05 1.32 Manual