This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2023/09/20 11:57
Universal datetime 2023/09/20 09:57
Latitude 47.34 ° ± 0.4 km
Longitude -1.16 ° ± 0.5 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
Beaupréau-en-Mauges  23 23228
Carquefou  24 19805
Mauges-sur-Loire  18 18284
Orée d'Anjou  5 16413
Montrevault-sur-Èvre  13 15859
Ancenis-Saint-Géréon  4 10802
Thouaré-sur-Loire  22 10025
Vallet  20 9015
Le Loroux-Bottereau  18 8227
Loireauxence  15 7522
Saint-Julien-de-Concelles  21 6917
Divatte-sur-Loire  14 6844
Vallons-de-l'Erdre  22 6556
Haute-Goulaine  25 5764
Ligné  18 5174

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.43
Azimuthal gap 87.69 °
Number of stations used 7
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 RIAF Pg 09:57:06.52 -0.25 328.27 0.19 Manual
FR RIAF Sg 09:57:09.86 0.62 328.27 0.19 Manual
FR BOUF Pg 09:57:10.4 -0.14 240.58 0.37 Manual
FR BOUF Sg 09:57:15.33 0.25 240.58 0.37 Manual
FR CRNF Pg 09:57:10.55 -0.32 120.58 0.41 Manual
FR CRNF Sg 09:57:16.27 -0.02 120.58 0.41 Manual
FR LGIF Pg 09:57:20.89 0.83 190.65 0.9 Manual
FR MTNF Pg 09:57:20.93 -0.08 12.9 0.95 Manual
FR SOMF Pg 09:57:26.78 0.07 40.2 1.26 Manual
FR SOMF Sg 09:57:44.45 0.69 40.2 1.26 Manual
FR CHIF Sg 09:57:46.11 0.47 156.42 1.32 Manual