This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/04/14 12:01
Universal datetime 2023/04/14 10:01
Latitude 47.15 ° ± 3 km
Longitude -1.90 ° ± 4 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  22 46268
Couëron  16 21372
Bouguenais  22 19331
Pornic  12 15018
Saint-Brevin-les-Pins  22 13802
Saint-Philbert-de-Grand-Lieu  21 8921
Sautron  21 8192
Bouaye  17 7844
Machecoul-Saint-Même  18 7473
Saint-Étienne-de-Montluc  15 7129
Sainte-Pazanne  10 6774
Chaumes-en-Retz  2 6759
La Montagne  17 6231
Saint-Jean-de-Boiseau  14 5827
Le Pellerin  10 5100

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.29
Azimuthal gap 172.37 °
Number of stations used 6
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 BOUF Pg 10:01:56.42 -0.3 87.56 0.18 Manual
FR BOUF Sg 10:01:58.65 -0.38 87.56 0.18 Manual
FR BEGF Pg 10:02:03.20 0 332.1 0.52 Manual
FR BEGF Sg 10:02:10.19 -0.04 332.1 0.52 Manual
FR RIAF Pg 10:02:03.76 0.36 48.25 0.53 Manual
FR RIAF Sg 10:02:10.39 -0.18 48.25 0.53 Manual
FR LGIF Pg 10:02:07.86 -0.03 153.8 0.77 Manual
FR LGIF Sg 10:02:18.54 0.18 153.8 0.77 Manual
FR GUEF Pg 10:02:10.29 0.31 326.17 0.89 Manual
FR GUEF Sg 10:02:21.47 -0.5 326.17 0.89 Manual
FR MTNF Pg 10:02:18.28 0.12 32.07 1.33 Manual
FR MTNF Sg 10:02:36.60 0.47 32.07 1.33 Manual