This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2021/09/23 10:55
Universal datetime 2021/09/23 08:55
Latitude 46.91 ° ± 3 km
Longitude -0.34 ° ± 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
Cholet  43 53917
Saumur  44 26734
Chemillé-en-Anjou  44 21392
Bressuire  12 19519
Thouars  9 13990
Doué-en-Anjou  31 11005
Parthenay  31 10267
Mauléon  31 8519
Lys-Haut-Layon  27 7880
Loudun  35 6747
Sèvremont  40 6486
Bellevigne-en-Layon  42 5730
Nueil-les-Aubiers  20 5541
Pouzauges  40 5514
Moncoutant-sur-Sèvre  30 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.24
Azimuthal gap 106.58 °
Number of stations used 7
Number of phases used 13

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 CRNF Pg 08:56:03.17 -0.36 316.46 0.31 Manual
FR CRNF Sg 08:56:07.69 0.16 316.46 0.31 Manual
FR DAUF Pg 08:56:12.24 0.5 359.41 0.75 Manual
FR CHIF Pg 08:56:12.43 0.03 183.32 0.78 Manual
FR CHIF Sg 08:56:23.28 0.33 183.32 0.78 Manual
FR LGIF Pg 08:56:13.65 -0.26 238.45 0.86 Manual
FR LGIF Sg 08:56:25.51 -0.07 238.45 0.86 Manual
FR BOUF Pg 08:56:14.91 -0.07 286.02 0.92 Manual
FR BOUF Sg 08:56:27.49 0.07 286.02 0.92 Manual
FR GNEF Pg 08:56:14.100 -0.2 149.99 0.93 Manual
FR GNEF Sg 08:56:28.2 0.22 149.99 0.93 Manual
FR GARF Pg 08:56:23.41 -0.27 105.99 1.39 Manual
FR GARF Sg 08:56:42.39 -0.08 105.99 1.39 Manual