This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2026/03/24 12:06
Universal datetime 2026/03/24 11:06
Latitude 47.17 ° ± 0.1 km
Longitude -1.83 ° ± 0.1 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-Herblain  16 46268
Couëron  10 21372
Bouguenais  16 19331
Pornic  18 15018
Saint-Philbert-de-Grand-Lieu  18 8921
Sautron  16 8192
Bouaye  12 7844
Machecoul-Saint-Même  19 7473
Saint-Étienne-de-Montluc  11 7129
Sainte-Pazanne  9 6774
Chaumes-en-Retz  7 6759
La Montagne  11 6231
Vigneux-de-Bretagne  19 6030
Saint-Jean-de-Boiseau  9 5827
Le Pellerin  6 5100

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.47
Azimuthal gap 122.58 °
Number of stations used 8
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 BOUF Pg 11:06:58.30 -0.03 92.75 0.13 Manual
FR BOUF Sg 11:07:00.75 0.75 92.75 0.13 Manual
FR RIAF Pg 11:07:05.20 0.07 45.65 0.49 Manual
FR RIAF Sg 11:07:12.24 0.56 45.65 0.49 Manual
FR LGIF Pg 11:07:09.89 -0.44 157.62 0.77 Manual
FR LGIF Pn 11:07:12.84 0.15 157.62 0.77 Manual
FR LGIF Sg 11:07:20.85 0.16 157.62 0.77 Manual
FR CRNF Pg 11:07:10.71 -0.33 91.85 0.8 Manual
FR CRNF Sg 11:07:22.33 0.42 91.85 0.8 Manual
FR GUEF Pg 11:07:12.19 -0.7 323.14 0.9 Manual
FR GUEF P 11:07:12.31 -0.58 323.14 0.9 Manual
FR GUEF Sg 11:07:24.33 -0.78 323.14 0.9 Manual
FR BIMF Pg 11:07:14.53 0.81 280.19 0.95 Manual
FR BIMF Sg 11:07:26.20 -0.36 280.19 0.95 Manual
FR DAUF Pg 11:07:17.8 0.24 63.23 1.12 Manual
FR MTNF Pg 11:07:20.9 0.03 30.59 1.29 Manual
FR MTNF Sg 11:07:37.32 -0.19 30.59 1.29 Manual