This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2022/04/21 11:40
Universal datetime 2022/04/21 09:40
Latitude 46.53 ° ± 3 km
Longitude -0.39 ° ± 4 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
Niort  23 58707
Bressuire  37 19519
Thouars  50 13990
Fontenay-le-Comte  32 13226
Parthenay  17 10267
Chauray  20 7006
Saint-Maixent-l'École  19 6982
Sèvremont  49 6486
Melle  39 6213
Vouneuil-sous-Biard  51 5896
La Crèche  19 5635
Nueil-les-Aubiers  48 5541
Pouzauges  44 5514
Aiffres  28 5506
Moncoutant-sur-Sèvre  25 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.24
Azimuthal gap 92.01 °
Number of stations used 7
Number of phases used 11

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 CHIF Pg 09:40:46.15 -0.05 181.9 0.4 Manual
FR CHIF Sg 09:40:51.37 -0.1 181.9 0.4 Manual
FR CRNF Pg 09:40:50.26 -0.32 343.53 0.63 Manual
FR CRNF Sg 09:40:58.92 -0.18 343.53 0.63 Manual
FR LGIF Pg 09:40:52.6 0.08 264.49 0.71 Manual
FR BSCF Pg 09:40:56.82 -0.28 73.25 0.98 Manual
FR BSCF Sg 09:41:10.62 0.23 73.25 0.98 Manual
FR DAUF Pg 09:40:59.86 -0.01 1.19 1.13 Manual
FR DAUF Sg 09:41:15.13 -0.05 1.19 1.13 Manual
FR RIAF Pg 09:41:01.5 0.56 327.39 1.16 Manual
FR GARF Pn 09:41:03.72 0.13 89.89 1.37 Manual