This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 2.1 MLv
Local datetime 2025/07/22 14:16
Universal datetime 2025/07/22 12:16
Latitude 47.16 ° ± 0.2 km
Longitude -1.86 ° ± 0.1 km
Depth 0 km (from location) ± 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  19 46268
Couëron  13 21372
Bouguenais  19 19331
Pornic  15 15018
Saint-Philbert-de-Grand-Lieu  19 8921
Sautron  19 8192
Bouaye  14 7844
Machecoul-Saint-Même  18 7473
Saint-Étienne-de-Montluc  13 7129
Sainte-Pazanne  9 6774
Chaumes-en-Retz  5 6759
La Montagne  14 6231
Vigneux-de-Bretagne  21 6030
Saint-Jean-de-Boiseau  11 5827
Le Pellerin  7 5100

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.27
Azimuthal gap 124.85 °
Number of stations used 16
Number of phases used 24

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 12:16:41.37 -0.2 90.65 0.15 Manual
FR BOUF Sg 12:16:44.3 0.48 90.65 0.15 Manual
FR RIAF Pg 12:16:48.49 0.2 47.13 0.51 Manual
FR BEGF Pg 12:16:48.34 -0.31 329.19 0.53 Manual
FR LGIF Pg 12:16:53.24 0.04 155.84 0.77 Manual
FR LGIF Sg 12:17:03.92 0.29 155.84 0.77 Manual
FR CRNF Pg 12:16:53.99 -0.26 91.46 0.83 Manual
FR CRNF Sg 12:17:05.59 0.15 91.46 0.83 Manual
FR GUEF Pg 12:16:55.42 -0.05 324.5 0.89 Manual
FR GUEF Sg 12:17:07.14 -0.41 324.5 0.89 Manual
FR BIMF Pg 12:16:56.10 0.02 280.7 0.93 Manual
FR DAUF Pg 12:17:00.64 0.59 63.54 1.14 Manual
FR PLOF Pg 12:17:01.45 0.04 299.36 1.21 Manual
FR MTNF Pg 12:17:03.48 0.36 31.36 1.31 Manual
FR MTNF Sg 12:17:20.45 -0.35 31.36 1.31 Manual
RD MFF Pg 12:17:03.24 0.07 114.79 1.31 Manual
RD MFF Sg 12:17:20.85 -0.02 114.79 1.31 Manual
FR PLEF Pg 12:17:04.47 0.15 346.79 1.37 Manual
FR PLEF Sg 12:17:22.52 -0.35 346.79 1.37 Manual
RD ROSF Pn 12:17:06.8 0.5 321.47 1.51 Manual
RD ROSF Pg 12:17:07.10 0.14 321.47 1.51 Manual
FR LOUF Pg 12:17:08.4 0.15 14.15 1.56 Manual
FR OLIV Pg 12:17:10.63 0.03 297.05 1.72 Manual
FR LOCF Pg 12:17:14.46 0.09 321.91 1.95 Manual