This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2021/08/11 12:26
Universal datetime 2021/08/11 10:26
Latitude 46.92 ° ± 4 km
Longitude -0.34 ° ± 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
Cholet  44 53917
Saumur  44 26734
Chemillé-en-Anjou  44 21392
Bressuire  13 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 0.23
Azimuthal gap 77.46 °
Number of stations used 9
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 CRNF Pg 10:26:24.46 -0.43 315.72 0.31 Manual
FR CRNF Sg 10:26:29.6 0.17 315.72 0.31 Manual
FR GIZF Pg 10:26:30.89 0.32 36.32 0.61 Manual
FR GIZF Sg 10:26:38.77 -0.05 36.32 0.61 Manual
FR DAUF Pg 10:26:33.26 0.22 359.14 0.74 Manual
FR CHIF Pg 10:26:33.81 0.04 183.57 0.78 Manual
FR LGIF Pg 10:26:35.52 0.2 238.47 0.87 Manual
FR RIAF Pg 10:26:35.41 -0.34 311.94 0.89 Manual
FR BOUF Pg 10:26:36.49 0.12 285.85 0.92 Manual
FR GARF Pg 10:26:44.75 -0.2 106.11 1.39 Manual
FR MTNF Pn 10:26:44.36 -0.05 345.92 1.4 Manual