Background: These uninhabited barren sub-Antarctic islands were transferred from the UK to Australia in 1947. Populated by large numbers of seal and bird species the islands have been designated a nature preserve.
Terrain: Heard Island - 80% ice-covered bleak and mountainous dominated by a large massif (Big Ben) and an active volcano (Mawson Peak); McDonald Islands - small and rocky
Natural hazards: Mawson Peak an active volcano is on Heard Island
Geography Note: Mawson Peak on Heard Island is the highest Australian mountain (at 2,745 meters it is taller than Mt. Kosciuszko in Australia proper) and one of only two active volcanoes located in Australian territory the other being McDonald Island; in 1992 McDonald Island broke its dormancy and began erupting; it has erupted several times since the most recent being in 2005