This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.7 MLv
Local datetime 2021/11/17 12:56
Universal datetime 2021/11/17 11:56
Latitude 46.89 ° ± 2 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  45 26734
Bressuire  16 19519
Thouars  10 13990
Doué-en-Anjou  34 11005
Parthenay  27 10267
Mauléon  36 8519
Lys-Haut-Layon  31 7880
Loudun  32 6747
Sèvremont  44 6486
Bellevigne-en-Layon  47 5730
Saint-Martin-la-Pallu  45 5546
Nueil-les-Aubiers  25 5541
Pouzauges  43 5514
Neuville-de-Poitou  47 5324
Moncoutant-sur-Sèvre  31 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.28
Azimuthal gap 73.5 °
Number of stations used 9
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 Pg 11:56:38.29 -0.38 314.5 0.35 Manual
FR CRNF Sg 11:56:43.43 0.1 314.5 0.35 Manual
FR GIZF Pg 11:56:43.52 0 31.96 0.61 Manual
FR GIZF Sg 11:56:52.7 0.28 31.96 0.61 Manual
FR CHIF Pg 11:56:46.57 0.33 186.6 0.76 Manual
FR CHIF Sg 11:56:56.63 0.14 186.6 0.76 Manual
FR DAUF Pg 11:56:46.87 0.36 356.4 0.77 Manual
FR LGIF Pg 11:56:48.78 0.19 241.33 0.89 Manual
FR LGIF Pn 11:56:49.91 -0.45 241.33 0.89 Manual
FR LGIF Sg 11:57:00.95 0.37 241.33 0.89 Manual
FR LGIF Sn 11:57:04.13 -0.36 241.33 0.89 Manual
FR GNEF Pg 11:56:48.81 0.15 151.52 0.89 Manual
FR GNEF Pn 11:56:50.20 -0.21 151.52 0.89 Manual
FR GNEF Sg 11:57:00.50 -0.18 151.52 0.89 Manual
FR BOUF Pg 11:56:50.28 0.17 286.86 0.97 Manual
FR GARF Pg 11:56:56.96 -0.1 105.46 1.34 Manual
FR MTNF Pg 11:56:58.43 -0.41 344.76 1.44 Manual