Tsunami


Updated on 13/07/2018
Définition
Sens commun
Violent swell of the sea caused by sudden underwater tectonic disturbances: earthquake, underwater collapse, etc. The waves thus generated propagate at high speed (several hundred km/h) with wavelengths of several kilometres and can have amplitudes of several tens of metres, causing major damage to the coastline they strike.
Source
According to Ifremer
Thématiques associées
Review status
Soumis au comité de relecture.