This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 2 MLv
Local datetime 2026/03/25 11:17
Universal datetime 2026/03/25 10:17
Latitude 47.51 ° ± 0.2 km
Longitude -2.29 ° ± 0.2 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
Saint-Nazaire  26 69993
La Baule-Escoublac  25 16132
Guérande  22 15873
Pontchâteau  17 10684
Pornichet  28 10669
Redon  23 9014
Theix-Noyalo  30 7966
Donges  26 7961
Trignac  23 7868
Questembert  20 7585
Montoir-de-Bretagne  24 7088
Herbignac  7 6822
Saint-André-des-Eaux  21 6473
Missillac  9 5342
Muzillac  14 5015

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.4
Azimuthal gap 103.82 °
Number of stations used 8
Number of phases used 14

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 BEGF Pg 10:17:41.38 0.01 11.56 0.1 Manual
FR BEGF Sg 10:17:42.95 0.25 11.56 0.1 Manual
FR GUEF Pg 10:17:47.75 -0.03 328.57 0.44 Manual
FR GUEF Sg 10:17:53.40 -0.26 328.57 0.44 Manual
FR BIMF Pg 10:17:52.24 0.65 253.58 0.64 Manual
FR RIAF Pg 10:17:51.94 -0.01 90.13 0.66 Manual
FR LGIF Pg 10:18:02.18 -0.08 149.76 1.22 Manual
FR LGIF Sg 10:18:17.60 -1.14 149.76 1.22 Manual
FR MTNF Pg 10:18:02.84 0.26 51.48 1.24 Manual
FR MTNF Sg 10:18:18.97 -0.33 51.48 1.24 Manual
FR OLIV Pg 10:18:04.38 0.31 288.87 1.32 Manual
FR OLIV Sg 10:18:22.16 0.27 288.87 1.32 Manual
FR DAUF Pg 10:18:04.22 0.03 82.86 1.32 Manual
FR DAUF Sg 10:18:22.0 -0.07 82.86 1.32 Manual