This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2021/12/07 09:27
Universal datetime 2021/12/07 08:27
Latitude 46.40 ° ± 3 km
Longitude -0.09 ° ± 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
Poitiers  40 88291
Niort  30 58707
Parthenay  30 10267
Buxerolles  42 10023
Jaunay-Marigny  50 7530
Saint-Benoît  38 7233
Chauray  23 7006
Saint-Maixent-l'École  9 6982
Melle  20 6213
Migné-Auxances  40 6071
Vouneuil-sous-Biard  34 5896
La Crèche  17 5635
Saint-Martin-la-Pallu  46 5546
Aiffres  28 5506
Neuville-de-Poitou  41 5324

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.26
Azimuthal gap 91.49 °
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
RD MFF Pg 08:27:32.42 -0.35 349.96 0.21 Manual
RD MFF Sg 08:27:35.48 0.02 349.96 0.21 Manual
FR CHIF Pg 08:27:35.9 -0.21 219.64 0.34 Manual
FR CHIF Sg 08:27:40.12 0.34 219.64 0.34 Manual
FR GNEF Pg 08:27:36.34 -0.3 134.78 0.41 Manual
FR GNEF Sg 08:27:42.41 0.28 134.78 0.41 Manual
FR CRNF Pg 08:27:44.3 -0.39 332.8 0.83 Manual
FR LGIF Pg 08:27:45.99 0.12 274.28 0.91 Manual
FR ABJF Pg 08:27:47.68 -0.16 143.81 1.02 Manual
FR ABJF Pn 08:27:48.78 -0.18 143.81 1.02 Manual
FR ABJF Sg 08:28:01.50 -0.08 143.81 1.02 Manual
FR ABJF Sn 08:28:04.70 0.12 143.81 1.02 Manual
FR GARF Pn 08:27:51.40 0.35 83.58 1.17 Manual
FR DAUF Pg 08:27:52.89 0.2 352.1 1.28 Manual
FR DAUF Sg 08:28:10.36 0.39 352.1 1.28 Manual
FR RIAF Pg 08:27:54.50 -0.3 323.47 1.39 Manual
FR RIAF Sg 08:28:13.77 0.15 323.47 1.39 Manual