This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2022/08/02 12:08
Universal datetime 2022/08/02 10:08
Latitude 47.18 ° ± 3 km
Longitude -1.86 ° ± 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  18 46268
Couëron  12 21372
Bouguenais  18 19331
Pornic  16 15018
Saint-Philbert-de-Grand-Lieu  20 8921
Sautron  17 8192
Bouaye  15 7844
Machecoul-Saint-Même  20 7473
Saint-Étienne-de-Montluc  11 7129
Sainte-Pazanne  11 6774
Chaumes-en-Retz  6 6759
La Montagne  13 6231
Vigneux-de-Bretagne  19 6030
Saint-Jean-de-Boiseau  11 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 0.33
Azimuthal gap 123.38 °
Number of stations used 12
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 BOUF Pg 10:08:15.99 -0.03 96.22 0.15 Manual
FR BOUF Sg 10:08:18.36 0.38 96.22 0.15 Manual
FR RIAF Pg 10:08:22.73 0.19 48.25 0.5 Manual
FR BEGF Pg 10:08:22.86 -0.03 328.19 0.52 Manual
FR BEGF Sg 10:08:29.57 -0.23 328.19 0.52 Manual
FR LGIF Pg 10:08:27.51 -0.39 156.4 0.79 Manual
FR LGIF Sg 10:08:38.64 0.13 156.4 0.79 Manual
FR CRNF Pg 10:08:28.39 -0.29 92.49 0.83 Manual
FR GUEF Pg 10:08:29.65 -0.07 323.86 0.88 Manual
FR GUEF Sg 10:08:41.54 -0.12 323.86 0.88 Manual
FR BIMF Pg 10:08:30.37 -0.15 279.78 0.93 Manual
FR DAUF Pg 10:08:34.66 0.3 64.18 1.13 Manual
FR PLOF Pg 10:08:35.77 0.01 298.71 1.21 Manual
FR PLOF Sg 10:08:52.86 0.75 298.71 1.21 Manual
FR MTNF Pg 10:08:37.81 0.47 31.64 1.29 Manual
RD MFF Pg 10:08:37.76 0.11 115.45 1.31 Manual
RD MFF Sg 10:08:54.95 -0.43 115.45 1.31 Manual
FR PLEF Pg 10:08:38.56 0.05 346.58 1.36 Manual
FR PLEF Sg 10:08:56.23 -0.64 346.58 1.36 Manual