This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2021/08/25 13:00
Universal datetime 2021/08/25 11:00
Latitude 46.87 ° ± 0.2 km
Longitude -0.27 ° ± 0.2 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  46 26734
Bressuire  16 19519
Thouars  11 13990
Doué-en-Anjou  36 11005
Parthenay  25 10267
Mauléon  37 8519
Lys-Haut-Layon  34 7880
Loudun  32 6747
Sèvremont  45 6486
Bellevigne-en-Layon  49 5730
Saint-Martin-la-Pallu  43 5546
Nueil-les-Aubiers  26 5541
Pouzauges  44 5514
Neuville-de-Poitou  45 5324
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 0.35
Azimuthal gap 63.55 °
Number of stations used 11
Number of phases used 18

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
RD MFF Pg 11:00:17.17 -0.08 162.69 0.28 Manual
RD MFF Sg 11:00:21.19 0.05 162.69 0.28 Manual
FR CRNF Pg 11:00:18.47 -0.44 315.34 0.37 Manual
FR CRNF Sg 11:00:23.56 -0.53 315.34 0.37 Manual
FR GIZF Pg 11:00:23.60 0 30.48 0.62 Manual
FR GIZF Sg 11:00:32.19 -0.11 30.48 0.62 Manual
FR CHIF Pg 11:00:26.29 0.43 187.44 0.74 Manual
FR CHIF Sg 11:00:36.73 0.49 187.44 0.74 Manual
FR DAUF Pg 11:00:26.85 0.13 355.83 0.79 Manual
FR BSCF Pg 11:00:28.9 0.07 94.02 0.86 Manual
FR BSCF Sg 11:00:40.25 0.24 94.02 0.86 Manual
FR LGIF Pg 11:00:29.12 0.62 242.54 0.89 Manual
FR LGIF Sg 11:00:40.68 -0.17 242.54 0.89 Manual
FR RIAF Pg 11:00:30.20 0.42 312.08 0.96 Manual
FR BOUF Pg 11:00:30.38 0.12 287.63 0.98 Manual
FR GARF Pn 11:00:36.83 0.57 104.9 1.33 Manual
FR GARF Sg 11:00:54.65 -0.54 104.9 1.33 Manual
FR SOMF Pn 11:00:37.82 -0.01 8.53 1.44 Manual