This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2023/07/06 12:04
Universal datetime 2023/07/06 10:04
Latitude 47.17 ° ± 0.4 km
Longitude -1.88 ° ± 0.2 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  13 21372
Bouguenais  20 19331
Pornic  14 15018
Saint-Philbert-de-Grand-Lieu  20 8921
Sautron  19 8192
Bouaye  16 7844
Machecoul-Saint-Même  19 7473
Saint-Étienne-de-Montluc  13 7129
Sainte-Pazanne  10 6774
Chaumes-en-Retz  4 6759
La Montagne  15 6231
Vigneux-de-Bretagne  21 6030
Saint-Jean-de-Boiseau  13 5827
Le Pellerin  8 5100

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.31
Azimuthal gap 125.46 °
Number of stations used 8
Number of phases used 11

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 10:04:30.41 -0.05 91.58 0.16 Manual
FR BOUF Sg 10:04:32.54 -0.03 91.58 0.16 Manual
FR RIAF Pg 10:04:37.57 0.5 48.18 0.51 Manual
FR BEGF Pg 10:04:37.12 -0.04 330.06 0.52 Manual
FR BEGF Sg 10:04:43.61 -0.53 330.06 0.52 Manual
FR LGIF Pg 10:04:42.4 0.03 155.18 0.78 Manual
FR CRNF Pg 10:04:42.74 -0.38 91.63 0.84 Manual
FR GUEF Pg 10:04:44.1 0.04 324.96 0.89 Manual
FR GUEF Sg 10:04:55.60 -0.34 324.96 0.89 Manual
FR BIMF Pg 10:04:44.74 0.2 280.64 0.92 Manual
FR DAUF Pg 10:04:49.30 0.43 63.9 1.15 Manual