Largest Submarine Canyon by Excavated Volume

Zhemchug Canyon

Bering Sea continental slope, North Pacific · Zhemchug CanyonSatellite view · Google Maps

Zhemchug Canyon on the Bering Sea continental margin is among the largest known submarine canyons by excavated volume. A 1987 US Geological Survey report gives a lower bound of at least 5,800 km³, while a 1970 study estimated about 8,500 km³.