This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 2 MLv
Local datetime 2022/02/17 12:12
Universal datetime 2022/02/17 11:12
Latitude 47.15 ° ± 3 km
Longitude -1.88 ° ± 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
Saint-Herblain  20 46268
Couëron  14 21372
Bouguenais  20 19331
Pornic  14 15018
Saint-Philbert-de-Grand-Lieu  19 8921
Sautron  20 8192
Bouaye  15 7844
Machecoul-Saint-Même  17 7473
Saint-Étienne-de-Montluc  15 7129
Sainte-Pazanne  9 6774
Chaumes-en-Retz  3 6759
La Montagne  15 6231
Vigneux-de-Bretagne  22 6030
Saint-Jean-de-Boiseau  13 5827
Le Pellerin  9 5100

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.33
Azimuthal gap 145.3 °
Number of stations used 8
Number of phases used 15

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 11:12:26.13 -0.47 86.32 0.16 Manual
FR BOUF Sg 11:12:28.93 0.23 86.32 0.16 Manual
FR RIAF Sg 11:12:40.39 -0.05 46.88 0.52 Manual
FR BEGF Pg 11:12:33.11 -0.46 330.77 0.53 Manual
FR BEGF Sg 11:12:40.72 -0.02 330.77 0.53 Manual
FR LGIF Pg 11:12:37.67 -0.23 154.78 0.77 Manual
FR LGIF Sg 11:12:48.38 0.15 154.78 0.77 Manual
FR GUEF Pg 11:12:40.0 -0.37 325.46 0.9 Manual
FR GUEF Sg 11:12:52.34 -0.17 325.46 0.9 Manual
FR DAUF Pg 11:12:45.39 0.25 63.21 1.15 Manual
FR DAUF Sg 11:13:01.13 0.37 63.21 1.15 Manual
FR PLOF Pg 11:12:46.16 -0.03 300.08 1.21 Manual
FR PLOF Sg 11:13:03.41 0.84 300.08 1.21 Manual
FR MTNF Pg 11:12:48.22 -0.02 31.44 1.32 Manual
FR MTNF Sg 11:13:06.11 -0.02 31.44 1.32 Manual