A South Korean fishing boat capsized in rough seas in the Pacific Ocean off Japan Monday and maritime authorities reported all 27 crew members were missing.

An official of the Maritime Safety Agency, Japan's coast guard, said the the No. 35 Sang Young Ho fishing vessel sank just after midnight about 600 miles off the northeast coast of Japan.The crew, who abandoned the 290-ton ship before it sank, radioed they were drifting in two rubber boats, said the official, who spoke on condition of anonymity.

He said coast guard and military planes searched the area and found two empty dinghies.