This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2021/07/08 11:23
Universal datetime 2021/07/08 09:23
Latitude 46.97 ° ± 3 km
Longitude -0.26 ° ± 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  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  45 8242
Lys-Haut-Layon  24 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 0.46
Azimuthal gap 65.06 °
Number of stations used 11
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 09:23:17.1 -0.46 301.78 0.31 Manual
FR CRNF Sg 09:23:21.54 0 301.78 0.31 Manual
RD MFF Pg 09:23:18.56 -0.17 167.73 0.38 Manual
FR GIZF Pg 09:23:22.6 0.38 35.58 0.54 Manual
FR GIZF Sg 09:23:29.68 0.78 35.58 0.54 Manual
FR DAUF Pg 09:23:24.58 0.03 354.94 0.69 Manual
FR CHIF Pg 09:23:27.59 0.2 186.8 0.84 Manual
FR BSCF Pg 09:23:27.27 -0.6 100.64 0.87 Manual
FR RIAF Pg 09:23:27.99 -0.32 307.16 0.89 Manual
FR LGIF Pg 09:23:29.20 0.02 237.22 0.94 Manual
FR GNEF Pg 09:23:28.96 -0.57 154.58 0.96 Manual
FR GNEF Sg 09:23:43.21 0.73 154.58 0.96 Manual
FR BOUF Pg 09:23:29.21 -0.32 281.85 0.96 Manual
FR BOUF Sg 09:23:43.38 0.88 281.85 0.96 Manual
FR SOMF Pg 09:23:36.31 -0.39 9.02 1.34 Manual
FR SOMF Sg 09:23:54.74 -0.17 9.02 1.34 Manual