This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 3.5 MLv
Local datetime 2021/08/20 15:47
Universal datetime 2021/08/20 13:47
Latitude 46.74 ° ± 0.1 km
Longitude -0.86 ° ± 0.1 km
Depth 4 km (from location) ± 0.2 km

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See the seismogram of this event.

Near cities

This table only show the more populated cities around the epicenter.
Name Distance (km) Population
Cholet  34 53917
Bressuire  32 19519
Les Herbiers  19 15958
Fontenay-le-Comte  32 13226
Luçon  40 9540
Essarts en Bocage  27 8931
Mauléon  24 8519
Chantonnay  16 8318
Sèvremont  10 6486
Mortagne-sur-Sèvre  28 5930
Nueil-les-Aubiers  30 5541
Chanverrie  25 5517
Pouzauges  5 5514
La Ferrière  36 5255
Moncoutant-sur-Sèvre  21 5046

Past seismicity

  This map shows only the 50 more significant earthquakes around the current event.

Event details

Parameters

Evaluation status preliminary
RMS 0.35
Azimuthal gap 57.9 °
Used station count 23
Used phase count 49

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 13:47:50.10 0.18 20.06 0.42 Manual
FR CRNF Sg 13:47:55.56 0 20.06 0.42 Manual
FR LGIF Pg 13:47:51.8 0.13 232.98 0.47 Manual
FR LGIF Sg 13:47:57.7 -0.28 232.98 0.47 Manual
RD MFF Pg 13:47:51.49 -0.17 105.76 0.51 Manual
RD MFF Sg 13:47:58.14 -0.44 105.76 0.51 Manual
FR BOUF Pg 13:47:54.43 -0.32 308.33 0.68 Manual
FR BOUF Sg 13:48:03.37 -0.55 308.33 0.68 Manual
FR CHIF Pg 13:47:54.57 -0.34 152.64 0.69 Manual
FR CHIF Sg 13:48:03.77 -0.42 152.64 0.69 Manual
FR SDOF Pg 13:47:57.35 0.42 208.92 0.79 Manual
FR SDOF Sg 13:48:07.97 0.27 208.92 0.79 Manual
FR RIAF Pg 13:47:57.53 0.05 338.08 0.82 Manual
RA UNIO Pg 13:47:59.9 0.61 195.85 0.88 Manual
RA UNIO Sg 13:48:10.83 0.45 195.85 0.88 Manual
FR DAUF Pg 13:48:00.66 0.27 20.45 0.98 Manual
FR DAUF Sg 13:48:13.8 -0.59 20.45 0.98 Manual
FR GIZF Pg 13:48:00.72 0.31 47.01 0.98 Manual
FR GIZF Sg 13:48:13.53 -0.19 47.01 0.98 Manual
FR GNEF Pg 13:48:00.82 -0.7 127.42 1.04 Manual
FR BSCF Pn 13:48:05.60 0.41 86.56 1.27 Manual
FR BSCF Pg 13:48:06.37 0.65 86.56 1.27 Manual
FR BSCF Sg 13:48:22.97 0.05 86.56 1.27 Manual
FR BEGF Pn 13:48:05.36 -0.19 312.85 1.29 Manual
FR BEGF Pg 13:48:06.29 0.06 312.85 1.29 Manual
FR BEGF Sg 13:48:23.63 -0.15 312.85 1.29 Manual
FR CLMF Pg 13:48:06.49 0.06 159.05 1.31 Manual
FR CLMF Sg 13:48:24.6 -0.08 159.05 1.31 Manual
FR TSDF Pn 13:48:06.62 0.34 41.22 1.35 Manual
FR TSDF Pg 13:48:07.84 0.61 41.22 1.35 Manual
FR MTNF Pn 13:48:08.58 -0.17 0.34 1.53 Manual
FR ABJF Pn 13:48:10.34 0.31 135.49 1.62 Manual
FR ABJF Pg 13:48:11.71 -0.32 135.49 1.62 Manual
FR GUEF Pn 13:48:10.47 -0.09 314.12 1.66 Manual
FR GUEF Pg 13:48:12.56 -0.14 314.12 1.66 Manual
FR GUEF Sn 13:48:33.68 0.26 314.12 1.66 Manual
FR GUEF Sn 13:48:33.84 0.43 314.12 1.66 Manual
FR SOMF Pn 13:48:10.59 -0.12 21.34 1.67 Manual
FR SOMF Sn 13:48:34.54 0.85 21.34 1.67 Manual
FR GARF Pn 13:48:11.24 0.13 96.8 1.7 Manual
FR GARF Pg 13:48:13.27 -0.13 96.8 1.7 Manual
FR GARF Sn 13:48:34.67 0.24 96.8 1.7 Manual
FR BIMF Pn 13:48:11.5 -0.07 290.87 1.7 Manual
FR BIMF Pg 13:48:13.41 0 290.87 1.7 Manual
FR BIMF Sg 13:48:36.23 -0.77 290.87 1.7 Manual
FR LOUF Pn 13:48:14.23 -0.29 351.69 1.96 Manual
FR LOUF Pg 13:48:17.54 -0.11 351.69 1.96 Manual
FR LOUF Sg 13:48:44.92 0.11 351.69 1.96 Manual
FR PLEF Pg 13:48:18.69 0.02 330.89 2.02 Manual