This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.8 MLv
Local datetime 2021/10/19 11:35
Universal datetime 2021/10/19 09:35
Latitude 46.75 ° ± 3 km
Longitude -0.39 ° ± 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  47 58707
Bressuire  14 19519
Thouars  27 13990
Fontenay-le-Comte  45 13226
Parthenay  17 10267
Mauléon  35 8519
Lys-Haut-Layon  44 7880
Chauray  44 7006
Saint-Maixent-l'École  40 6982
Loudun  47 6747
Sèvremont  37 6486
La Crèche  43 5635
Nueil-les-Aubiers  26 5541
Pouzauges  34 5514
Moncoutant-sur-Sèvre  16 5046

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.39
Azimuthal gap 67.95 °
Number of stations used 13
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 09:35:27.54 0.09 131.53 0.22 Manual
RD MFF Sg 09:35:30.87 0.55 131.53 0.22 Manual
FR CRNF Pg 09:35:31.30 0.06 335.1 0.42 Manual
FR CRNF Sg 09:35:37.24 0.34 335.1 0.42 Manual
FR CHIF Pg 09:35:34.51 -0.32 181.19 0.62 Manual
FR CHIF Sg 09:35:42.84 -0.31 181.19 0.62 Manual
FR LGIF Pg 09:35:37.58 0.08 247.7 0.76 Manual
FR GIZF Pg 09:35:37.5 -0.62 31.11 0.77 Manual
FR GNEF Pg 09:35:38.11 -0.39 142.22 0.81 Manual
FR DAUF Pg 09:35:40.9 -0.2 1.5 0.91 Manual
FR BOUF Pg 09:35:41.6 0.04 296.06 0.95 Manual
FR RIAF Pg 09:35:41.90 0.21 320.48 0.99 Manual
FR GARF Pg 09:35:49.77 0.67 99.06 1.38 Manual
FR BEGF Pg 09:35:52.19 0.16 304.76 1.54 Manual
FR BEGF Sn 09:36:12.52 0.29 304.76 1.54 Manual
FR SOMF Pn 09:35:50.11 -0.88 10.76 1.58 Manual
FR GZNF Pg 09:35:57.98 0.21 106.92 1.88 Manual