Name StatusOfficial ValidatedFeatureIslandNZ Gazette Reference2012 (53) p.1477DatumRSRGD2000GeoTag PositionDescriptionAn island lying on the eastern side of McMurdo Sound and extending for about 43 miles from Cape Bird on the north to Cape Armitage on the south, and about 45 miles from Cape Royds on the west to Cape Crozier on the east. This island is entriely volcanic, Mt Erebus, 4070m high, near the centre, being an active volcano; and Mt Terror, about 20 miles eastward, being an extinct volcano, 3300m high. Mt Bird rises to a height of 1720m about 7 miles southward of Cape Bird. This area was first discovered by Ross in 1841, but he thought it formed part of the mainland of Victoria Land. First discovered to be an island and named by the NAE, 1901-04, in 1902, for Sir James Clark Ross.