English: Cassis harbour and cap canaille (= Dirty Cape), near Cassis, Department of Bouches du Rhone, France. The portion of the coast wich contain the "Cap Canaille" is in the PACA region - by BRGM, IFREMER, and the french "Earthquake Master plan" - the site most at risk of "unstable slopes withmobilizationbrutal field" when significant seismic. The collapse of the terrestrial and submarine such a structure would generate a Tsunami and a wave background can resuspend enormous amount of fine particles from the underwater industrial discharge close (Fosse Cassidaigne) of plant Pechiney / Alcan Rio Tinto. in french, this sort of area is called "tsunamogéniques"