This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2021/12/16 11:09
Universal datetime 2021/12/16 10:09
Latitude 46.97 ° ± 3 km
Longitude -0.28 ° ± 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
Saumur  36 26734
Chemillé-en-Anjou  43 21392
Bressuire  20 19519
Thouars  2 13990
Doué-en-Anjou  25 11005
Brissac Loire Aubance  43 10807
Parthenay  36 10267
Gennes-Val-de-Loire  40 8724
Mauléon  36 8519
Chinon  46 8242
Lys-Haut-Layon  24 7880
Loudun  29 6747
Bellevigne-en-Layon  39 5730
Nueil-les-Aubiers  25 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 0.33
Azimuthal gap 99.43 °
Number of stations used 9
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 10:09:56.88 -0.59 302.98 0.3 Manual
FR CRNF Sg 10:10:01.75 0.32 302.98 0.3 Manual
FR DAUF Pg 10:10:04.78 0.08 355.74 0.69 Manual
FR RIAF Pg 10:10:08.41 0.08 307.6 0.89 Manual
FR LGIF Pg 10:10:09.14 0 236.97 0.93 Manual
FR LGIF Sg 10:10:21.60 -0.13 236.97 0.93 Manual
FR BOUF Pg 10:10:09.67 0.17 282.06 0.95 Manual
FR GNEF Pg 10:10:09.50 -0.21 154.01 0.96 Manual
FR GNEF Sg 10:10:23.29 0.58 154.01 0.96 Manual
FR SOMF Pn 10:10:15.98 -0.36 9.4 1.35 Manual
FR SOMF Sg 10:10:35.40 0.25 9.4 1.35 Manual
FR GARF Pn 10:10:17.1 0.47 108.83 1.36 Manual
FR GARF Sg 10:10:35.27 -0.36 108.83 1.36 Manual
FR ABJF Pn 10:10:19.8 -0.29 152.36 1.57 Manual