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Aleutian Trench




The Aleutian Trench is an Oceanic Trench in the Earth's crust. It is classified as a marginal trench in the east but is termed an Island Arc west of Alaska . The trench extends for 3,400 km from the northern end of the Kuril-Kamchatka Trench to the Gulf Of Alaska , marking the boundary where two tectonic plates meet, a subduction zone where the Pacific Plate is being subducted under the North American Plate .


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