This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2021/08/05 11:20
Universal datetime 2021/08/05 09:20
Latitude 46.97 ° ± 3 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  25 11005
Brissac Loire Aubance  43 10807
Parthenay  36 10267
Gennes-Val-de-Loire  40 8724
Mauléon  37 8519
Chinon  44 8242
Lys-Haut-Layon  25 7880
Loudun  28 6747
Bellevigne-en-Layon  39 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 0.25
Azimuthal gap 73.69 °
Number of stations used 12
Number of phases used 16

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 09:20:31.99 -0.39 301.82 0.31 Manual
FR CRNF Sg 09:20:36.49 0.01 301.82 0.31 Manual
RD MFF Pg 09:20:33.30 -0.25 167.98 0.38 Manual
RD MFF Sg 09:20:38.82 0.29 167.98 0.38 Manual
FR GIZF Pg 09:20:36.95 0.42 35.32 0.54 Manual
FR DAUF Pg 09:20:39.59 0.15 354.79 0.69 Manual
FR RIAF Pg 09:20:43.25 0.03 307.15 0.9 Manual
FR LGIF Pg 09:20:44.16 0.11 237.36 0.94 Manual
FR GNEF Pg 09:20:44.30 -0.04 154.66 0.96 Manual
FR GNEF Pn 09:20:45.81 0.06 154.66 0.96 Manual
FR BOUF Pg 09:20:44.40 -0.03 281.92 0.96 Manual
FR SOMF Pn 09:20:51.22 0.19 8.93 1.35 Manual
FR GARF Pg 09:20:51.93 0.23 109.01 1.35 Manual
FR GARF Sg 09:21:09.50 -0.5 109.01 1.35 Manual
FR MTNF Pg 09:20:51.50 -0.37 343.28 1.36 Manual
FR BEGF Pn 09:20:53.30 0.07 296.04 1.51 Manual