This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.2 MLv
Local datetime 2022/05/04 12:47
Universal datetime 2022/05/04 10:47
Latitude 48.14 ° ± 4 km
Longitude -1.06 ° ± 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
Laval  24 49728
Fougères  26 20418
Vitré  10 18037
Mayenne  38 12841
Châteaugiron  32 9966
Thorigné-Fouillard  39 8463
Janzé  39 8279
Liffré  35 7609
Saint-Berthevin  18 7344
Châteaubourg  26 7064
Acigné  34 6740
Bonchamp-lès-Laval  28 6037
Changé  20 6020
Noyal-sur-Vilaine  33 6008
Ernée  21 5731

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.35
Azimuthal gap 149.12 °
Number of stations used 7
Number of phases used 10

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 10:47:49.63 0.27 46.46 0.2 Manual
FR RIAF Pg 10:47:57.83 -0.04 195.21 0.65 Manual
FR RIAF Sg 10:48:06.42 -0.24 195.21 0.65 Manual
FR DAUF Pg 10:47:57.74 -0.53 134.69 0.67 Manual
FR SOMF Pg 10:47:59.61 -0.31 77.24 0.76 Manual
FR SOMF Sg 10:48:10.41 0.19 77.24 0.76 Manual
FR BEGF Pg 10:48:03.75 0.12 237.61 0.96 Manual
FR CRNF Pg 10:48:04.75 -0.31 164.33 1.04 Manual
FR CRNF Sg 10:48:19.86 0.73 164.33 1.04 Manual
FR GUEF Pg 10:48:06.3 0.12 257.34 1.09 Manual