Ob Trench

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Ob’ Trench


a series of narrow depressions in the ocean floor in the eastern part of the Indian Ocean. The trench extends for almost 1,000 km along the Western Australian Ridge. A maximum depth of 5,880 m was recorded by the research vessel Vitiaz’m 1965. The trench was discovered by a Soviet expedition on the diesel-electric ship Ob’ in 1957.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.