The Heard Island and McDonald Islands are a small group of uninhabited rocky islands that are a territory of Australia and one of the most remote places on Earth. They are located on the Kerguelen Peninsula in the Indian Ocean approximately 2500 miles off the coast of Perth, and contain the only two active volcanoes in Australia.
Heard Island, the largest in the chain is 142 square miles of ice covered mountains. It is also home to Mawson Peak a 9006 ft volcano that had an active lava flow as recent as July 200.
The McDonald Islands consist of McDonald Island, Flat Island, and Meyer Rock. They lie 27 miles west of Heard Island and are small, rocky surface exposures of the Kerguelen Plateau. The 3 islands only total 1 square mile, with McDonald Island being the largest at .4 square mile and containing the only other active volcano in Australia.