Big Ben (Heard Island)

Big Ben
Satellite image of the southern tip of Heard Island. Cape Arkona is seen on the left side of the image, with Lied Glacier just above and Gotley Glacier just below. Big Ben and Mawson Peak are seen at the lower right side of the image.
Highest point
Elevation2,745 m (9,006 ft)[1]
Prominence2,745 m (9,006 ft)[1]
ListingCountry high point
Ultra
Coordinates53°06′00″S 73°31′00″E / 53.10000°S 73.51667°E / -53.10000; 73.51667[1]
Geography
Big Ben (Heard Island) is located in Indian Ocean
Big Ben (Heard Island)
Location of Big Ben
LocationHeard Island, Australia
Topo mapRAN Heard Island 291
Geology
Rock ageQuaternary
Mountain typeStratovolcano
Last eruption2012 – ongoing (as of 2021)[2]

Big Ben (previously known as Big Ben Peak, Old Ben Mountain, Emperor William Peak and Kaiser Wilhelm-Berg)[1] is a volcanic massif that dominates the geography of Heard Island in the southern Indian Ocean. It is a stratovolcano with a diameter of about 25 km (16 mi). Its highest point is Mawson Peak, which is 2,745 m (9,006 ft) above sea level. Much of it is covered by ice, including 14 major glaciers which descend from Big Ben to the sea. Big Ben is the highest mountain in Australian states and territories, except for the Australian Antarctic Territory.[3] The Australian Antarctic Territory is a territorial claim unrecognised by most other countries,[4] meaning that Big Ben is the highest mountain over which Australia has true sovereignty. A smaller volcanic headland, the Laurens Peninsula, extends about 10 km (6 mi) to the northwest, created by a separate volcano, Mount Dixon; its highest point is Anzac Peak, at 715 m (2,346 ft).

  1. ^ a b c d "Big Ben". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2019-08-10.
  2. ^ "Heard". Global Volcanism Program. Smithsonian Institution. Retrieved 2019-08-10.
  3. ^ Division, c=AU;o=Commonwealth of Australia;ou=Department of the Environment;ou=Australian Antarctic. "Frequently asked questions". heardisland.antarctica.gov.au. Retrieved 2016-05-23.{{cite web}}: CS1 maint: multiple names: authors list (link)
  4. ^ "Antarctic Region". U.S. Department of State. Retrieved 2024-06-14.