This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2022/03/03 12:48
Universal datetime 2022/03/03 11:48
Latitude 48.11 ° ± 3 km
Longitude -1.00 ° ± 3 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  18 49728
Fougères  31 20418
Vitré  15 18037
Château-Gontier-sur-Mayenne  38 16776
Mayenne  36 12841
Châteaugiron  36 9966
Janzé  42 8279
Liffré  40 7609
Saint-Berthevin  12 7344
Châteaubourg  30 7064
Acigné  39 6740
Bonchamp-lès-Laval  23 6037
Changé  15 6020
Noyal-sur-Vilaine  38 6008
Ernée  22 5731

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.21
Azimuthal gap 53.5 °
Number of stations used 10
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 MTNF Pg 11:48:39.63 0.07 31.15 0.19 Manual
FR LOUF Pg 11:48:46.80 -0.43 341.34 0.6 Manual
FR DAUF Pg 11:48:47.73 0.12 135.7 0.62 Manual
FR DAUF Sg 11:48:55.99 -0.01 135.7 0.62 Manual
FR RIAF Pg 11:48:47.100 0.1 199.75 0.64 Manual
FR RIAF Sg 11:48:56.66 0.16 199.75 0.64 Manual
FR SOMF Pg 11:48:49.64 0.07 74.31 0.73 Manual
FR SROF Pg 11:48:53.54 -0.01 355.46 0.94 Manual
FR SROF Sg 11:49:06.31 0.02 355.46 0.94 Manual
FR PLEF Pg 11:48:54.37 0.22 293.94 0.97 Manual
FR PLEF Sg 11:49:07.55 0.24 293.94 0.97 Manual
FR BEGF Pg 11:48:53.99 -0.37 240.44 0.99 Manual
FR BEGF Sg 11:49:07.68 0 240.44 0.99 Manual
FR CRNF Pg 11:48:54.30 -0.34 166.35 1 Manual
FR TSDF Pg 11:48:55.55 0.16 109.58 1.04 Manual