This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2021/08/30 11:46
Universal datetime 2021/08/30 09:46
Latitude 46.86 ° ± 11 km
Longitude -0.42 ° ± 9 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  40 53917
Chemillé-en-Anjou  45 21392
Bressuire  4 19519
Thouars  18 13990
Doué-en-Anjou  38 11005
Parthenay  28 10267
Mauléon  27 8519
Lys-Haut-Layon  31 7880
Loudun  43 6747
Sèvremont  33 6486
Mortagne-sur-Sèvre  42 5930
Nueil-les-Aubiers  16 5541
Chanverrie  44 5517
Pouzauges  32 5514
Moncoutant-sur-Sèvre  21 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.42
Azimuthal gap 279.58 °
Number of stations used 5
Number of phases used 7

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 09:46:24.85 -0.06 330.48 0.32 Manual
FR CRNF Sg 09:46:29.41 0.38 330.48 0.32 Manual
FR GIZF Pg 09:46:32.47 0.57 37.49 0.69 Manual
FR DAUF Pg 09:46:33.55 -0.39 3.36 0.8 Manual
FR RIAF Pg 09:46:35.81 0.27 317.07 0.89 Manual
FR MTNF Pg 09:46:45.12 -0.73 348.67 1.44 Manual
FR MTNF Sg 09:47:05.32 -0.05 348.67 1.44 Manual