Bouvet Island Bouvet Island Bouvet Island () is an uninhabited subantarctic high island and dependency of Norway located in the South Atlantic Ocean at , thus putting it north of and outside the Antarctic Treaty System. It lies at the southern end of the Mid-Atlantic Ridge and is the most remote island in the world, approximately north of the Princess Astrid Coast of Queen Maud Land, Antarctica and south-southwest of the coast of South Africa. The island has an area of , of which 93 percent is covered by a glacier. The centre of the island is an ice-filled crater of an
Atlantic Ocean has a volume of . The North Atlantic covers (11.5%) and the South Atlantic (11.1%). The average depth is and the maximum depth, the Milwaukee Deep in the Puerto Rico Trench, is . The bathymetry of the Atlantic is dominated by a submarine mountain range called the Mid-Atlantic Ridge (MAR). It runs from 87°N or south of the North Pole to the subantarctic Bouvet Island at 42°S. The MAR divides the Atlantic longitudinally into two halves, in each of which a series of basins are delimited by secondary, transverse ridges. The MAR reaches above along most of its length, but