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Aleutian Trench
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World map highlighting major features of the ocean basins, including trenches, ridges, basins, and plateaus labeled throughout the Pacific, Atlantic, Indian, Southern, and Arctic Oceans. Continents are shown with shaded terrain, and prominent undersea features such as the Mid-Atlantic Ridge, Mariana Trench, and Kerguelen Plateau are marked across the map.
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Aleutian Trench

trench, Pacific Ocean
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Aleutian Trench, submarine trench located on the south side of the Aleutian Islands between the Gulf of Alaska and the Komandor Islands in the North Pacific Ocean. The Aleutian Trench reaches a maximum depth of 26,604 feet (8,109 metres) at about 51° N, 178° W. The average slopes of its northern side range between 3° and 4°, while those of its even shallower southern side are 1° or 2°.

This article was most recently revised and updated by Lorraine Murray.
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