This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 2.2 MLv
Local datetime 1997/01/31 22:36
Universal datetime 1997/01/31 21:36
Latitude 46.10 ° ± 3 km
Longitude -1.57 ° ± 6 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
La Rochelle  31 75735
Les Sables-d'Olonne  49 44017
Rochefort  49 24151
Luçon  50 9540
Aytré  35 8725
Périgny  38 8428
Talmont-Saint-Hilaire  42 7657
Lagord  34 7048
Saint-Pierre-d'Oléron  27 6743
Marennes-Hiers-Brouage  48 6252
Puilboreau  36 6182
Châtelaillon-Plage  38 5846
Nieul-sur-Mer  33 5759
Dompierre-sur-Mer  40 5482
Les Achards  55 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 11

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 OLEF Pg 21:37:00.17 -0.04 136 0.22 Manual
FR OLEF Sg 21:37:03.11 -0.57 136 0.22 Manual
RD MFF Pg 21:37:18.50 2.18 63 1.1 Manual
RD MFF Sg 21:37:32.80 1.09 63 1.1 Manual
RD LFF Pg 21:37:32.90 -0.28 125 2 Manual
RD LFF Sg 21:37:59.50 -1.37 125 2 Manual
RD QUIF Pg 21:37:37.20 1.77 329 2.12 Manual
RD QUIF Sg 21:38:04.30 -0.47 329 2.12 Manual
RD SGMF Pg 21:37:39.20 1.2 343 2.25 Manual
RD SGMF Sg 21:38:07.80 -1.44 343 2.25 Manual
RD GRR Sg 21:38:09.70 -2.19 12 2.34 Manual