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Heard Island is a heavily glaciated, subantarctic volcanic island located in the Southern Ocean, roughly 4,000 km (2,200 nmi) southwest of Australia. 80% of the island is covered in ice, with glaciers descending from 2,400 m (7,900 ft) to sea level. [46]
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.
Mawson Peak is an active volcanic summit of the Big Ben massif on Heard Island, an external Australian territory in the Indian Ocean.. With an elevation of 2,745 metres (9,006 ft), it is the third highest peak in any state, territory or claimed territory of Australia, [3] higher than the 2,228-metre (7,310 ft) Mount Kosciuszko, and surpassed only by the 3,490-metre (11,450 ft) Mount McClintock ...
The geography of the Heard Island and McDonald Islands (HIMI) refers to the geography of Heard Island and the McDonald Islands, one of the most remote places on earth. The islands belong to Australia and are located 4,000 kilometres (2,485.5 mi) southwest of the mainland in the Southern Ocean.
They are located about 75 km from Heard Island. McDonald Island is the largest of the islands, at around 1 square kilometre (250 acres) in area. It has been the main focus of volcanic activity in recent times. Prior to 1996, McDonald Island had been a flat green island whose pumice beaches provided a great nesting area for penguin breeding. The ...
There are no volcanoes on the Australian mainland that have erupted since European settlement, but some eruptions in Victoria, South Australia and North Queensland could have been witnessed by Aboriginal people several thousand years ago, however there is no evidence of this. There are active volcanoes in the Heard and McDonald Islands.
Mount Dixon) is a snow-covered stratovolcano, 705 metres (2,310 ft) high, standing 0.7 nautical miles (1.3 km) west of Anzac Peak on the Laurens Peninsula, Heard Island [1] [2] The feature appears to have been roughly charted on an 1860 sketch map by Captain H.C. Chester, an American sealer operating in the area during this period.
Anzac Peak is a 715-metre-high (2,346 ft) volcano on the Laurens Peninsula of Heard Island in the Southern Ocean.It lies to the northwest of Mawson Peak.Despite its low elevation of just over 700 metres high, the peak and several neighbouring peaks have permanent snow and ice, like the Jacka Glacier with several icefalls.