This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2021/09/13 10:37
Universal datetime 2021/09/13 08:37
Latitude 46.91 ° ± 4 km
Longitude -0.35 ° ± 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  43 53917
Saumur  44 26734
Chemillé-en-Anjou  43 21392
Bressuire  12 19519
Thouars  10 13990
Doué-en-Anjou  31 11005
Parthenay  31 10267
Mauléon  30 8519
Lys-Haut-Layon  27 7880
Loudun  36 6747
Sèvremont  39 6486
Bellevigne-en-Layon  42 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 0.37
Azimuthal gap 145.76 °
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 CRNF Pg 08:37:12.49 -0.2 317.35 0.3 Manual
FR CRNF Sg 08:37:17.1 0.41 317.35 0.3 Manual
FR GIZF Pg 08:37:18.41 -0.22 37.03 0.62 Manual
FR GIZF Sg 08:37:27.25 0.27 37.03 0.62 Manual
FR DAUF Pg 08:37:21.31 0.33 359.95 0.75 Manual
FR CHIF Pg 08:37:21.91 0.26 182.79 0.78 Manual
FR LGIF Pg 08:37:23.33 0.27 238.16 0.86 Manual
FR LGIF Sg 08:37:34.37 -0.27 238.16 0.86 Manual
FR BOUF Pg 08:37:23.83 -0.27 286.1 0.91 Manual
FR BOUF Sg 08:37:36.70 0.25 286.1 0.91 Manual
FR MTNF Pg 08:37:32.30 -0.83 346.35 1.4 Manual