This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2023/04/11 12:47
Universal datetime 2023/04/11 10:47
Latitude 48.11 ° ± 0.2 km
Longitude -1.04 ° ± 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
Laval  21 49728
Fougères  29 20418
Vitré  12 18037
Château-Gontier-sur-Mayenne  41 16776
Mayenne  38 12841
Châteaugiron  33 9966
Janzé  39 8279
Liffré  37 7609
Saint-Berthevin  15 7344
Châteaubourg  27 7064
Acigné  36 6740
Bonchamp-lès-Laval  26 6037
Changé  18 6020
Noyal-sur-Vilaine  35 6008
Ernée  23 5731

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.38
Azimuthal gap 122.17 °
Number of stations used 8
Number of phases used 14

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 MTNF Pg 10:47:55.25 -0.08 38.2 0.21 Manual
FR MTNF Sg 10:47:58.58 0.59 38.2 0.21 Manual
FR LOUF Pg 10:48:02.29 -0.23 343.83 0.59 Manual
FR LOUF Sg 10:48:10.18 -0.3 343.83 0.59 Manual
FR RIAF Pg 10:48:03.60 0.33 197.22 0.63 Manual
FR RIAF Sg 10:48:11.75 -0.03 197.22 0.63 Manual
FR SOMF Pg 10:48:05.54 -0.01 75.05 0.75 Manual
FR SROF Pg 10:48:09.52 0.56 357.14 0.94 Manual
FR BEGF Pg 10:48:09.11 -0.31 239.45 0.96 Manual
FR BEGF Sg 10:48:22.30 -0.12 239.45 0.96 Manual
FR GUEF Pg 10:48:12.64 0.75 258.88 1.09 Manual
FR GUEF Sg 10:48:26.45 -0.26 258.88 1.09 Manual
FR BESN Pg 10:48:15.92 -0.2 343.44 1.32 Manual
FR BESN Sg 10:48:34.59 0.57 343.44 1.32 Manual