Show depths of the ocean the greatest ocean depths are not act fou found nd in the atlantic as there are arc veritable aba abysses s be met with on the other side ot of the globe close to new zealand the water attains a depth dept h of 0 five and a half miles in the kerm kermadec Ker madec a dee and tonga ravines which in themselves attain a height ot of feet while they are separated filin each each other by a chain ef cf mountains 0 feet high there Is also the A aleutian butlan ravine with a depth of 0 feet |