This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2021/09/20 11:08
Universal datetime 2021/09/20 09:08
Latitude 46.96 ° ± 4 km
Longitude -0.26 ° ± 3 km
Depth 0 km (from location) ± 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
Saumur  36 26734
Chemillé-en-Anjou  44 21392
Bressuire  21 19519
Thouars  1 13990
Doué-en-Anjou  26 11005
Brissac Loire Aubance  44 10807
Parthenay  36 10267
Gennes-Val-de-Loire  41 8724
Mauléon  37 8519
Chinon  45 8242
Lys-Haut-Layon  25 7880
Loudun  28 6747
Bellevigne-en-Layon  40 5730
Nueil-les-Aubiers  26 5541
Moncoutant-sur-Sèvre  38 5046

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.38
Azimuthal gap 73.64 °
Number of stations used 10
Number of phases used 14

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 09:08:32.52 -0.79 302.89 0.32 Manual
FR CRNF Sg 09:08:37.14 -0.29 302.89 0.32 Manual
FR GIZF Pg 09:08:37.52 -0.03 35.11 0.54 Manual
FR DAUF Pg 09:08:40.49 0.04 354.97 0.7 Manual
FR CHIF Pg 09:08:43.21 0.18 186.88 0.84 Manual
FR LGIF Pg 09:08:44.94 0.06 237.6 0.94 Manual
FR GNEF Pg 09:08:44.45 -0.71 154.41 0.95 Manual
FR BOUF Pg 09:08:45.42 0.09 282.28 0.96 Manual
FR GARF Pn 09:08:52.55 0.53 108.75 1.35 Manual
FR GARF Sg 09:09:10.85 -0.05 108.75 1.35 Manual
FR SOMF Pn 09:08:52.22 0.2 8.96 1.35 Manual
FR SOMF Sg 09:09:10.77 -0.14 8.96 1.35 Manual
FR BEGF Pn 09:08:54.73 0.58 296.26 1.51 Manual
FR BEGF Sg 09:09:16.28 0.32 296.26 1.51 Manual