This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 2 MLv
Local datetime 2025/07/21 12:07
Universal datetime 2025/07/21 10:07
Latitude 47.38 ° ± 0.3 km
Longitude -1.47 ° ± 0.4 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
Nantes  18 309346
Orvault  17 26355
Carquefou  9 19805
La Chapelle-sur-Erdre  11 19609
Sainte-Luce-sur-Loire  14 15360
Thouaré-sur-Loire  12 10025
Treillières  14 9219
Basse-Goulaine  19 9036
Nort-sur-Erdre  8 8763
Sucé-sur-Erdre  5 7023
Saint-Julien-de-Concelles  16 6917
Divatte-sur-Loire  15 6844
Héric  14 6049
Grandchamps-des-Fontaines  12 6016
Ligné  7 5174

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.32
Azimuthal gap 95.37 °
Number of stations used 13
Number of phases used 19

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 10:07:27.86 -0.68 40.23 0.16 Manual
FR RIAF Sg 10:07:30.67 0.06 40.23 0.16 Manual
FR BOUF Pg 10:07:30.23 -0.09 207.62 0.25 Manual
FR BOUF Sg 10:07:33.30 -0.28 207.62 0.25 Manual
FR DAUF Pg 10:07:40.79 0.18 69.48 0.8 Manual
FR LGIF Pg 10:07:43.12 0.21 177.38 0.93 Manual
FR GUEF Pg 10:07:43.10 0.03 302.98 0.94 Manual
FR MTNF Pg 10:07:44.22 0.3 24.98 0.98 Manual
FR MTNF Sg 10:07:57.69 0.49 24.98 0.98 Manual
FR PLEF Pg 10:07:48.91 -0.08 332.65 1.25 Manual
FR LOUF Pg 10:07:50.27 0.45 5.3 1.3 Manual
FR LOUF Sg 10:08:07.31 -0.09 5.3 1.3 Manual
FR SOMF Pg 10:07:51.60 0.39 47.64 1.37 Manual
FR SOMF Sg 10:08:09.34 -0.47 47.64 1.37 Manual
FR CHIF Sn 10:08:12.17 0.03 149.37 1.45 Manual
RD ROSF Pg 10:07:54.37 0 308.72 1.55 Manual
FR SROF Pg 10:07:56.35 -0.33 8.06 1.68 Manual
FR SROF Sg 10:08:19.17 -0.49 8.06 1.68 Manual
FR BSCF Pg 10:07:58.3 -0.2 108.21 1.77 Manual