This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2021/08/18 11:06
Universal datetime 2021/08/18 09:06
Latitude 46.91 ° ± 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  44 26734
Chemillé-en-Anjou  45 21392
Bressuire  14 19519
Thouars  9 13990
Doué-en-Anjou  31 11005
Parthenay  30 10267
Mauléon  33 8519
Lys-Haut-Layon  28 7880
Loudun  34 6747
Sèvremont  42 6486
Bellevigne-en-Layon  44 5730
Nueil-les-Aubiers  22 5541
Pouzauges  41 5514
Moncoutant-sur-Sèvre  30 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.31
Azimuthal gap 61.26 °
Number of stations used 13
Number of phases used 17

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 Sg 09:06:12.64 -0.45 314.92 0.32 Manual
RD MFF Pg 09:06:08.62 -0.41 158.97 0.33 Manual
RD MFF Sg 09:06:13.34 0 158.97 0.33 Manual
FR GIZF Pg 09:06:14.11 -0.16 34.95 0.61 Manual
FR DAUF Pg 09:06:16.56 -0.36 358.15 0.75 Manual
FR CHIF Pg 09:06:17.38 -0.02 184.59 0.78 Manual
FR LGIF Pg 09:06:18.95 -0.25 239.32 0.88 Manual
FR BSCF Pg 09:06:19.37 -0.25 96.21 0.9 Manual
FR RIAF Pg 09:06:19.77 0.01 311.72 0.91 Manual
FR GNEF Pg 09:06:19.69 -0.34 150.76 0.92 Manual
FR BOUF Pg 09:06:19.82 -0.56 286.05 0.94 Manual
FR BOUF Sg 09:06:32.35 -0.7 286.05 0.94 Manual
FR GARF Pg 09:06:28.35 -0.07 106 1.37 Manual
FR SOMF Pn 09:06:28.8 -0.24 10.07 1.41 Manual
FR SOMF Sg 09:06:48.41 0.06 10.07 1.41 Manual
FR BEGF Pn 09:06:29.45 -0.07 298.76 1.5 Manual
FR BEGF Sg 09:06:51.20 0.02 298.76 1.5 Manual