This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.4 MLv
Local datetime 2021/04/21 12:37
Universal datetime 2021/04/21 10:37
Latitude 46.91 ° ± 3 km
Longitude -0.35 ° ± 3 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  44 21392
Bressuire  12 19519
Thouars  10 13990
Doué-en-Anjou  31 11005
Parthenay  31 10267
Mauléon  31 8519
Lys-Haut-Layon  27 7880
Loudun  36 6747
Sèvremont  40 6486
Bellevigne-en-Layon  42 5730
Nueil-les-Aubiers  19 5541
Pouzauges  40 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 0.36
Azimuthal gap 78.6 °
Number of stations used 7
Number of phases used 12

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 10:37:37.3 -0.45 316.89 0.3 Manual
FR CRNF Sg 10:37:41.69 0.27 316.89 0.3 Manual
FR GIZF Pg 10:37:43.23 -0.1 36.78 0.62 Manual
FR CHIF Pg 10:37:46.50 0.1 183.04 0.78 Manual
FR LGIF Pg 10:37:47.65 -0.2 238.28 0.86 Manual
FR LGIF Sg 10:37:59.51 0.02 238.28 0.86 Manual
FR GNEF Pg 10:37:48.77 -0.46 149.81 0.93 Manual
FR GNEF Sg 10:38:02.66 0.79 149.81 0.93 Manual
FR GARF Pn 10:37:56.84 -0.12 105.97 1.39 Manual
FR GARF Sg 10:38:16.44 -0.15 105.97 1.39 Manual
FR MTNF Pn 10:37:56.84 -0.23 346.22 1.4 Manual
FR MTNF Sg 10:38:17.39 0.54 346.22 1.4 Manual