This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2021/08/05 12:40
Universal datetime 2021/08/05 10:40
Latitude 46.91 ° ± 0.1 km
Longitude -0.35 ° ± 0.1 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  45 26734
Chemillé-en-Anjou  44 21392
Bressuire  12 19519
Thouars  10 13990
Doué-en-Anjou  32 11005
Parthenay  30 10267
Mauléon  31 8519
Lys-Haut-Layon  28 7880
Loudun  36 6747
Sèvremont  39 6486
Bellevigne-en-Layon  43 5730
Nueil-les-Aubiers  19 5541
Pouzauges  39 5514
Moncoutant-sur-Sèvre  29 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.26
Azimuthal gap 63.24 °
Number of stations used 10
Number of phases used 14

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 10:40:38.28 -0.41 317.96 0.31 Manual
FR CRNF Sg 10:40:42.74 0.01 317.96 0.31 Manual
RD MFF Pg 10:40:38.82 -0.31 155.51 0.33 Manual
RD MFF Sg 10:40:43.54 0.03 155.51 0.33 Manual
FR DAUF Pg 10:40:47.40 0.42 359.67 0.76 Manual
FR CHIF Pg 10:40:47.72 0.39 183.1 0.77 Manual
FR LGIF Pg 10:40:49.3 0.17 238.79 0.86 Manual
FR LGIF Sg 10:41:00.69 0.26 238.79 0.86 Manual
FR RIAF Pg 10:40:49.39 -0.15 312.72 0.89 Manual
FR BSCF Pg 10:40:49.94 -0.06 95.85 0.92 Manual
FR BOUF Pg 10:40:49.85 -0.19 286.57 0.92 Manual
FR BOUF Sg 10:41:02.53 0.06 286.57 0.92 Manual
FR GNEF Pg 10:40:49.78 -0.4 149.55 0.93 Manual
FR TSDF Sg 10:41:05.47 0.24 32.61 1.01 Manual