Ross Island

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Ross Island is an island in Antarctica lying on the east side of McMurdo Sound and extending 43 nautical miles (80 km; 49 mi) from Cape Bird in the north to Cape Armitage in the south, and a similar distance from Cape Royds in the west to Cape Crozier in the east. The island is entirely volcanic. Mount Erebus, 3,795 metres (12,451 ft), near the center, is an active volcano. Mount Terror, 3,230 metres (10,600 ft) about 20 nautical miles (37 km; 23 mi) eastward, is an extinct volcano. Mount Bird rises to 1,765 metres (5,791 ft) just south of Cape Bird. Ross Island lies within the boundary of Ross Dependency, an area of Antarctica claimed by New Zealand. However, the claim is currently in abeyance by the International Antarctic Treaty System of 1961. Signatories of this treaty essentially agree that Antarctica is used for peaceful and scientific purposes. The United States and New Zealand each established bases, McMurdo and Scott, in the mid 1950s on Ross Island; the former is now the largest...

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