This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 1.3 MLv
Local datetime 2023/08/20 19:36
Universal datetime 2023/08/20 17:36
Latitude 46.85 ° ± 0.2 km
Longitude -2.04 ° ± 0.4 km
Depth 6 km (from location) ± 2 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Les Sables-d'Olonne  42 44017
Challans  15 20622
Pornic  30 15018
Saint-Hilaire-de-Riez  13 11169
Aizenay  34 9510
Saint-Philbert-de-Grand-Lieu  37 8921
Saint-Jean-de-Monts  6 8634
Le Poiré-sur-Vie  42 8509
Bouaye  43 7844
Saint-Gilles-Croix-de-Vie  20 7655
Machecoul-Saint-Même  24 7473
Sainte-Pazanne  31 6774
Chaumes-en-Retz  34 6759
La Chevrolière  43 5589
Les Achards  41 5063

Past seismicity

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

Event details

Parameters

Evaluation status preliminary
RMS 0.18
Azimuthal gap 206.96 °
Number of stations used 7
Number of phases used 12

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 BOUF Pg 17:36:12.69 -0.05 41.38 0.41 Manual
FR BOUF Sg 17:36:18.30 -0.05 41.38 0.41 Manual
FR LGIF Pg 17:36:15.98 0 131.92 0.59 Manual
FR LGIF Sg 17:36:24.3 0.07 131.92 0.59 Manual
FR RIAF Pg 17:36:20.37 0.05 36.76 0.82 Manual
FR RIAF Sg 17:36:31.69 0.23 36.76 0.82 Manual
FR CRNF Pg 17:36:23.65 0.15 72.88 0.99 Manual
FR CRNF Sg 17:36:37.9 0.14 72.88 0.99 Manual
FR GUEF Pg 17:36:26.1 0.26 338.87 1.11 Manual
RD MFF Sg 17:36:47.70 0.02 100.15 1.33 Manual
FR DAUF Pn 17:36:29.40 -0.37 54.21 1.4 Manual
FR DAUF Sg 17:36:49.99 -0.24 54.21 1.4 Manual