This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2023/05/09 11:47
Universal datetime 2023/05/09 09:47
Latitude 47.70 ° ± 2 km
Longitude -1.47 ° ± 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
Châteaubriant  7 11974
Châteaugiron  38 9966
Blain  35 9793
Ombrée d'Anjou  28 8998
Nort-sur-Erdre  29 8763
Guichen  37 8568
Janzé  27 8279
Bain-de-Bretagne  21 7331
Guipry-Messac  30 6961
Vallons-de-l'Erdre  31 6556
Héric  34 6049
Plessé  35 5248
Guémené-Penfao  28 5200
Ligné  34 5174
Laillé  34 5026

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.34
Azimuthal gap 75.84 °
Number of stations used 9
Number of phases used 17

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 RIAF Pg 09:47:35.62 0.11 151.05 0.23 Manual
FR RIAF Sg 09:47:38.84 0.41 151.05 0.23 Manual
FR BOUF Pg 09:47:41.81 0.13 191.57 0.56 Manual
FR BOUF Sg 09:47:48.85 -0.31 191.57 0.56 Manual
FR MTNF Pg 09:47:45.2 0.51 36.41 0.71 Manual
FR MTNF Sg 09:47:54.13 0.07 36.41 0.71 Manual
FR CRNF Pg 09:47:45.87 -0.34 135.19 0.8 Manual
FR CRNF Sg 09:47:56.74 -0.27 135.19 0.8 Manual
FR PLEF Pg 09:47:50.9 0.56 324.25 0.98 Manual
FR LOUF Pg 09:47:49.88 0.3 7.33 0.98 Manual
FR LOUF Sg 09:48:02.40 -0.45 7.33 0.98 Manual
FR SOMF Pg 09:47:53.34 -0.06 59.35 1.19 Manual
FR SOMF Sg 09:48:09.8 -0.38 59.35 1.19 Manual
FR BIMF Pg 09:47:54.5 -0.17 252.73 1.23 Manual
FR BIMF Sg 09:48:10.56 -0.32 252.73 1.23 Manual
FR LGIF Pg 09:47:54.29 -0.29 177.8 1.25 Manual
FR LGIF Sg 09:48:11.98 0.49 177.8 1.25 Manual