Glossary: Island Arc
A curving group of volcanic islands parallel to a deep-sea trench. Island arcs and the deep-sea trench mark the location where oceanic crust is being subducted under oceanic crust. The Aleutian Islands are an island arc.
A curving group of volcanic islands parallel to a deep-sea trench. Island arcs and the deep-sea trench mark the location where oceanic crust is being subducted under oceanic crust. The Aleutian Islands are an island arc.