This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.5 MLv
Local datetime 2021/09/23 11:32
Universal datetime 2021/09/23 09:32
Latitude 46.52 ° ± 3 km
Longitude -0.32 ° ± 6 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  25 58707
Bressuire  39 19519
Fontenay-le-Comte  37 13226
Parthenay  15 10267
Chauray  20 7006
Saint-Maixent-l'École  15 6982
Melle  37 6213
Migné-Auxances  49 6071
Vouneuil-sous-Biard  45 5896
La Crèche  18 5635
Saint-Martin-la-Pallu  50 5546
Pouzauges  48 5514
Aiffres  28 5506
Neuville-de-Poitou  47 5324
Moncoutant-sur-Sèvre  29 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.38
Azimuthal gap 134.07 °
Number of stations used 6
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 09:32:31.65 0.12 188.98 0.4 Manual
FR CHIF Sg 09:32:36.91 0.13 188.98 0.4 Manual
FR GNEF Pg 09:32:35.47 -0.12 132.87 0.61 Manual
FR CRNF Pg 09:32:35.82 -0.49 339.65 0.65 Manual
FR CRNF Sg 09:32:44.32 -0.78 339.65 0.65 Manual
FR LGIF Pg 09:32:38.5 -0.17 265.32 0.75 Manual
FR LGIF Pn 09:32:40.58 -0.06 265.32 0.75 Manual
FR DAUF Pg 09:32:45.54 0.21 358.8 1.14 Manual
FR DAUF Sg 09:33:01.14 0.43 358.8 1.14 Manual
FR RIAF Pg 09:32:46.51 0.08 325.64 1.2 Manual
FR RIAF Sg 09:33:03.28 0.66 325.64 1.2 Manual