This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2022/10/12 11:57
Universal datetime 2022/10/12 09:57
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  11 21372
Bouguenais  18 19331
Pornic  16 15018
Saint-Philbert-de-Grand-Lieu  20 8921
Sautron  17 8192
Bouaye  14 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 0.39
Azimuthal gap 115.11 °
Number of stations used 9
Number of phases used 12

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 09:57:56.63 -0.44 327.98 0.52 Manual
FR BEGF Sg 09:58:04.52 0.27 327.98 0.52 Manual
FR CRNF Sg 09:58:14.61 0.32 92.54 0.83 Manual
FR GUEF Pg 09:58:03.63 -0.27 323.74 0.88 Manual
FR BIMF Sg 09:58:18.20 0.58 279.73 0.93 Manual
FR DAUF Sg 09:58:24.84 0.64 64.16 1.13 Manual
FR SDOF Pg 09:58:09.61 0.34 164.62 1.17 Manual
FR SDOF Sg 09:58:25.27 -0.31 164.62 1.17 Manual
FR MTNF Pg 09:58:11.35 -0.11 31.58 1.29 Manual
FR MTNF Sg 09:58:29.19 -0.22 31.58 1.29 Manual
RD MFF Pg 09:58:11.24 -0.54 115.5 1.31 Manual
FR PLEF Sg 09:58:31.25 -0.27 346.5 1.36 Manual