Heard Island and McDonald Islands (HIMI) are uninhabited, barren islands located in the Southern Ocean at , about two-thirds of the way from Madagascar to Antarctica. They have been part of Australia since 1947, and contain the only two active volcanoes in Australian territory, one of which, Mawson Peak, is the highest Australian mountain. The group's size is 372 km² in area.
Geography
Heard Island (368 km²) is bleak and mountainous, covered in glaciers and dominated by Mawson Peak, a 2745 metre high volcano which forms part of the Big Benmassif. Heard Island is located at . Mawson Peak is the highest Australian mountain (527m higher than Mount Kosciuszko), and one of only 2 active volcanoes in Australian territory.
The other active volcano in Australian territory is on McDonald Island: after being dormant for 75,000 years, it erupted in 1992 and has erupted again several times since, its most recent eruption being on 10 August2005.
Heard Island - a Natural World Heritage Property - The UNESCO description of Heard Island. Includes information about the location, history, physical description, cultural heritage, and scientific research.
Heard Island - Southern Indian Ocean - General information about the location, discovery, geography, geology, climate, and culture of the island. Includes interactive map.
Meta Description: [ The history and geography of the heard Island, southern indian Ocean ]
404Heard Island Expedition - Documents the 1997 Cordell Expedition to the island. Includes an overview, route map, basic information, detailed planning documents, and team biographies.
Volcanic Activity Reports - Features reports on volcanic episodes on Heard Island from the Smithsonian Institution's Global Volcanism Program. Includes information about seismic events, and some maps showings the features of the various islands.