Deep NW Pacific areas (north of 40°N): CeB – Central Basin of the Sea of Japan; KuB – Kuril Basin of the Sea of Okhotsk; DeB – deep-sea Commander, Aleutian, and Bowers basins of the Bering Sea; OcS – oceanic slopes of the Kuril, Commander, Aleutian Islands, and eastern coast of Kamchatka Peninsula; JT – Japan Trench; KKT – Kuril-Kamchatka Trench; AT – Aleutian Trench; AbP – abyssal plain of the Pacific Ocean.