This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2020/10/21 14:31
Universal datetime 2020/10/21 12:31
Latitude 46.92 ° ± 4 km
Longitude -0.34 ° ± 7 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  43 26734
Chemillé-en-Anjou  44 21392
Bressuire  13 19519
Thouars  9 13990
Doué-en-Anjou  31 11005
Parthenay  31 10267
Mauléon  32 8519
Lys-Haut-Layon  27 7880
Loudun  35 6747
Sèvremont  40 6486
Bellevigne-en-Layon  42 5730
Nueil-les-Aubiers  20 5541
Pouzauges  41 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 0.46
Azimuthal gap 197.73 °
Number of stations used 3
Number of phases used 6

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 CHIF Pg 12:31:56.79 -0.04 183.61 0.79 Manual
FR CHIF Sg 12:32:07.68 0.24 183.61 0.79 Manual
FR BOUF Pg 12:31:59.36 -0.03 285.71 0.92 Manual
FR BOUF Sg 12:32:11.81 -0.06 285.71 0.92 Manual
FR MTNF Pg 12:32:07.38 -0.83 345.88 1.4 Manual
FR MTNF Sg 12:32:27.88 0.72 345.88 1.4 Manual