This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.9 MLv
Local datetime 2021/12/08 12:20
Universal datetime 2021/12/08 11:20
Latitude 46.74 ° ± 3 km
Longitude -0.38 ° ± 4 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
Niort  46 58707
Bressuire  15 19519
Thouars  28 13990
Fontenay-le-Comte  45 13226
Parthenay  15 10267
Mauléon  37 8519
Lys-Haut-Layon  45 7880
Chauray  43 7006
Saint-Maixent-l'École  38 6982
Loudun  47 6747
Sèvremont  38 6486
La Crèche  42 5635
Nueil-les-Aubiers  28 5541
Pouzauges  35 5514
Moncoutant-sur-Sèvre  17 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 114.41 °
Number of stations used 9
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
FR CRNF Pg 11:20:26.13 -0.61 334.7 0.44 Manual
FR CRNF Sg 11:20:32.29 -0.3 334.7 0.44 Manual
FR CHIF Pg 11:20:30.24 0.39 182.05 0.61 Manual
FR CHIF Sg 11:20:38.1 0 182.05 0.61 Manual
FR GNEF Pg 11:20:33.14 -0.31 142.22 0.8 Manual
FR GNEF Sg 11:20:44.19 -0.06 142.22 0.8 Manual
FR DAUF Pg 11:20:36.2 0.29 0.94 0.92 Manual
FR BOUF Pg 11:20:36.49 0 296.46 0.96 Manual
FR BOUF Sg 11:20:49.17 -0.33 296.46 0.96 Manual
FR RIAF Pg 11:20:37.66 0.47 320.52 1 Manual
FR RIAF Sg 11:20:51.24 0.53 320.52 1 Manual
FR ABJF Pn 11:20:44.32 0.42 145.46 1.41 Manual
FR ABJF Sn 11:21:03.67 -0.39 145.46 1.41 Manual
FR BEGF Pn 11:20:45.93 0 304.93 1.56 Manual
FR BEGF Pg 11:20:47.78 0.28 304.93 1.56 Manual
FR BEGF Sg 11:21:08.30 -0.34 304.93 1.56 Manual
FR GZNF Pn 11:20:49.95 -0.2 106.67 1.87 Manual
FR GZNF Pg 11:20:52.97 0.16 106.67 1.87 Manual