The
Indian Ocean is bounded on the north by
Asia; on the west by
Africa; on the east by
Australia; and on the south by Antarctica.
Geographic features of the Indian ocean:
Ridges:
Mid-Indian Ridge, Southeast Indian Ridge, Southwest Indian Ridge, Chagos-Laccadive Ridge, Mascaren Plateau, Ninetyeast Ridge, Broken Ridge
Largest basins:
Arabian Basin, Mid Indian Basin, Somali Basin, Southeast Indian Basin
Deepest trenches:
Java Trench, Mozambique Escarpment