Earthquake Glossary - oceanic trench
oceanic trench
An oceanic trench is a linear depression of the sea floor caused by the subduction of one plate under another.
See movie.
(Image from "This Dynamic Earth: The Story of Plate Tectonics")
An oceanic trench is a linear depression of the sea floor caused by the subduction of one plate under another.
See movie.

(Image from "This Dynamic Earth: The Story of Plate Tectonics")