This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2021/05/20 10:52
Universal datetime 2021/05/20 08:52
Latitude 46.93 ° ± 2 km
Longitude -0.32 ° ± 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  45 53917
Saumur  42 26734
Chemillé-en-Anjou  44 21392
Bressuire  15 19519
Thouars  7 13990
Doué-en-Anjou  30 11005
Parthenay  32 10267
Mauléon  33 8519
Lys-Haut-Layon  26 7880
Loudun  33 6747
Sèvremont  42 6486
Bellevigne-en-Layon  42 5730
Nueil-les-Aubiers  21 5541
Pouzauges  42 5514
Moncoutant-sur-Sèvre  32 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 74.31 °
Number of stations used 12
Number of phases used 21

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 08:52:39.82 -0.34 312.97 0.31 Manual
FR CRNF Sg 08:52:44.22 0.03 312.97 0.31 Manual
FR CHIF Pg 08:52:49.31 0.11 184.39 0.79 Manual
FR CHIF Sg 08:53:00.8 0.15 184.39 0.79 Manual
FR LGIF Pg 08:52:51.32 0.48 238.36 0.88 Manual
FR LGIF Sg 08:53:02.21 -0.55 238.36 0.88 Manual
FR RIAF Pg 08:52:51.25 0.22 311 0.89 Manual
FR RIAF Sg 08:53:03.50 0.39 311 0.89 Manual
FR BOUF Pg 08:52:52.17 0.4 285.11 0.93 Manual
FR BOUF Sg 08:53:04.14 -0.23 285.11 0.93 Manual
FR GNEF Pg 08:52:52.71 0.9 151.17 0.93 Manual
FR GNEF Sg 08:53:04.34 -0.11 151.17 0.93 Manual
FR TSDF Pg 08:52:53.47 0.83 32.33 0.98 Manual
FR GARF Pg 08:52:59.98 -0.06 106.64 1.38 Manual
FR GARF Sg 08:53:18.77 0.09 106.64 1.38 Manual
FR MTNF Pg 08:52:59.64 -0.72 345.38 1.39 Manual
FR MTNF Sg 08:53:19.43 0.19 345.38 1.39 Manual
FR SOMF Pg 08:52:59.71 -0.71 10.25 1.4 Manual
FR SOMF Sg 08:53:19.39 0.06 10.25 1.4 Manual
FR ABJF Pg 08:53:02.86 -0.29 150.6 1.55 Manual
FR BRGF Pg 08:53:05.63 -0.85 123.07 1.74 Manual