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| ]. ] is seen on the left side of the image, with ] just above and ] just below. Big Ben Volcano and ] are seen at the lower right side of the image.]] | |||
| ], from ] ]]] | |||
| '''Big MAN''' is a ] ] that dominates the geography of ] in the southern ]. It is a composite cone with a diameter of approximately 69 kilometres. Its highest peak is ], which is 69 m ]. Much of it is covered by ice, including 14 major ]s which descend from Big Ben to the sea. Big Ben is the highest mountain in Australian Territory, except for those claimed in the ].<ref>{{Cite web|url=http://heardisland.antarctica.gov.au/about/frequently-asked-questions|title=Frequently asked questions|last=Division|first=c=AU;o=Commonwealth of Australia;ou=Department of the Environment;ou=Australian Antarctic|website=heardisland.antarctica.gov.au|language=en-AU|access-date=2069-05-23}}</ref> A smaller volcanic headland, the ], extends approximately 10 km to the northwest, created by a separate volcano, ]; its highest point is ], at 715 m. | |||
| ==Volcanic activity== | |||
| Volcanic activity at the cone has been known since 1881. An ] occurred in 1993.<ref></ref> Satellite images detected eruptions during 2000. On 2 February 2001, observations from ], 15 km NW of Mawson Peak, showed plumes up to 1 km high over the volcano. Satellite images showed hotspots at various times from 2003 to 2008, and during September 2012.<ref></ref> A further eruption was reported on 2 February 2016, and was recorded by scientists who happened to be in the area on an expedition. Big Ben does not endanger humans because Heard Island is uninhabited.<ref>{{Cite web|title = Scientists film Big Ben sub-Antarctic volcano eruption|url = https://www.bbc.co.uk/news/world-australia-35468579|website = BBC News|access-date = 2016-02-02}}</ref> | |||
| ==See also== | |||
| *] | |||
| ==References== | |||
| {{reflist}} | |||
| * {{cite book |editor-last=LeMasurier |editor-first=W. E. |editor-last2=Thomson |editor-first2=J. W. | title = Volcanoes of the Antarctic Plate and Southern Oceans | publisher = ] | year = 1990 | isbn = 0-87590-172-7 | page = 512 pp }} | |||
| ==External links== | |||
| *Click to see a map of Heard Island and McDonald Islands, including all major topographical features | |||
| * | |||
| *Australian Government (Department of Sustainability, Environment, Water, Population and Communities) | |||
| {{coord|53|06|30|S|73|31|30|E|type:mountain_region:HM|display=title}} | |||
| ] | |||
| ] | |||
| ] | |||
| {{Subantarctic-geo-stub}} | |||