This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.9 MLv
Local datetime 1982/12/20 20:43
Universal datetime 1982/12/20 19:43
Latitude 46.31 ° ± 4 km
Longitude -3.38 ° ± 10 km
Depth 5 km (operator assigned) ± 0.0 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
Saint-Nazaire  138 69993
Les Sables-d'Olonne  126 44017
Challans  132 20622
La Baule-Escoublac  134 16132
Guérande  135 15873
Pornic  136 15018
Saint-Brevin-les-Pins  140 13802
Saint-Hilaire-de-Riez  119 11169
Pornichet  133 10669
Saint-Jean-de-Monts  116 8634
Talmont-Saint-Hilaire  136 7657
Saint-Gilles-Croix-de-Vie  120 7655
Machecoul-Saint-Même  142 7473
Saint-André-des-Eaux  139 6473
Les Achards  136 5063

Past seismicity

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

Event details

Parameters

Evaluation status final
RMS 1.2
Azimuthal gap
Number of stations used 8
Number of phases used 9

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 Sn 19:44:38.50 -0.03 81 2.26 Manual
RD MFF Sg 19:44:47.50 1.61 81 2.26 Manual
RD LPF Pg 19:44:16.40 0.06 42 2.35 Manual
RD LPF Sg 19:44:49.90 1.03 42 2.35 Manual
RD GRR Sg 19:44:59.70 -0.47 39 2.69 Manual
RD LFF Sg 19:45:18.20 1.45 114 3.2 Manual
RD LSF Pn 19:44:24.40 0.18 89 3.41 Manual
RD LSF Sn 19:45:05.60 -1.97 89 3.41 Manual
RD LSF Sg 19:45:21.60 -1.88 89 3.41 Manual