This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2021/01/28 13:20
Universal datetime 2021/01/28 12:20
Latitude 48.03 ° ± 4 km
Longitude -1.32 ° ± 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
Rennes  29 216815
Vitré  13 18037
Cesson-Sévigné  23 17526
Betton  30 11735
Chantepie  22 10435
Châteaugiron  12 9966
Thorigné-Fouillard  24 8463
Janzé  17 8279
Vern-sur-Seiche  22 7911
Chartres-de-Bretagne  29 7800
Liffré  24 7609
Châteaubourg  12 7064
Noyal-Châtillon-sur-Seiche  26 6919
Acigné  20 6740
Noyal-sur-Vilaine  16 6008

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.23
Azimuthal gap 79.91 °
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 MTNF Pg 12:20:09.92 -0.29 52.22 0.4 Manual
FR BEGF Pg 12:20:16.64 -0.35 237.24 0.76 Manual
FR PLEF Pg 12:20:18.10 -0.05 304.7 0.82 Manual
FR PLEF Sg 12:20:29.26 -0.01 304.7 0.82 Manual
FR BOUF Pg 12:20:19.70 0.18 194.21 0.9 Manual
FR GUEF Pg 12:20:19.55 0.03 261.34 0.9 Manual
FR SOMF Pg 12:20:20.39 -0.2 73.14 0.95 Manual
FR SOMF Sg 12:20:33.47 -0.03 73.14 0.95 Manual
FR CRNF Pg 12:20:21.55 0.07 153.05 1 Manual
FR CRNF Sg 12:20:35.16 0.12 153.05 1 Manual
FR SROF Pg 12:20:22.42 0.53 7.62 1.03 Manual