This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2022/12/20 11:30
Universal datetime 2022/12/20 10:30
Latitude 48.69 ° ± 0.1 km
Longitude -1.31 ° ± 0.2 km
Depth 0 km (from location) ± 0.2 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  50 46097
Fougères  39 20418
Saint-Lô  49 19116
Vire Normandie  35 17178
Flers  55 14734
Granville  26 12580
Avranches  3 10155
Souleuvre en Bocage  45 8839
Coutances  42 8501
Saint-Hilaire-du-Harcouët  19 6094
Valdallière  47 5951
Combourg  45 5940
Ernée  51 5731
Dol-de-Bretagne  36 5693
Cancale  41 5121

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.16
Azimuthal gap 112.05 °
Number of stations used 12
Number of phases used 15

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 10:30:15.42 -0.03 132.93 0.02 Manual
FR SROF Pg 10:30:22.29 0.02 20.88 0.38 Manual
FR SROF Sg 10:30:27.34 0.08 20.88 0.38 Manual
FR MTNF Pg 10:30:24.93 -0.07 143.4 0.52 Manual
FR MTNF Sg 10:30:32.30 0.26 143.4 0.52 Manual
GB JSA Pg 10:30:29.26 0.01 311.49 0.75 Manual
GB JSA Sg 10:30:39.46 0.06 311.49 0.75 Manual
FR RIAF Pg 10:30:37.39 0.04 180.01 1.19 Manual
FR GUEF Pg 10:30:37.75 0.26 228.06 1.2 Manual
FR DAUF Pg 10:30:38.28 0.38 147.76 1.22 Manual
FR BEGF Pn 10:30:38.43 -0.05 210.83 1.25 Manual
RD ROSF Pn 10:30:39.87 0.04 255.4 1.35 Manual
FR BOUF Pg 10:30:43.97 -0.08 188.23 1.55 Manual
FR LOCF Pg 10:30:44.19 -0.12 270.35 1.56 Manual
FR CRNF Pn 10:30:43.28 -0.21 163.78 1.62 Manual