Map of New England Seamount Chain

The New England Seamount Chain is the longest in the North Atlantic Ocean. It includes more than 30 major volcanic peaks. Seamounts provide a solid surface for corals and other marine animals to cling to.

The New England Seamount Chain is the longest in the North Atlantic Ocean and includes peaks of more than 30 extinct volcanoes.
Credit: 

Adapted from Christopher Small, Lamont Doherty Earth Observatory, Columbia University