Ross Island
Map of Ross Island
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 Ross Island
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| Geography | |
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| Location | Antarctica |
| Coordinates | 77°30′S 168°00′E / 77.500°S 168.000°ECoordinates: 77°30′S 168°00′E / 77.500°S 168.000°E |
| Archipelago | Ross Archipelago |
| Area | 2,460 km2 (950 sq mi) |
| Highest elevation | 3,794 m (12,448 ft) |
| Highest point | Mount Erebus |
| Administration | |
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None
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| Demographics | |
| Population | 100 |
| Additional information | |
| Administered under the Antarctic Treaty System | |
Ross Island is an island formed by four volcanoes in the Ross Sea near the continent of Antarctica, off the coast of Victoria Land in McMurdo Sound.
Because of the persistent presence of the ice sheet, the island is sometimes taken to be part of the Antarctic mainland. Its area is 2,460 square kilometres (950 sq mi); only a small portion of the island is free of ice and snow. The planet's southernmost active volcano, Erebus (3,794 m or 12,448 ft), as well as the dormant volcano Terror (3,230 m or 10,597 ft), are situated on the island. They were named by Ross after his ships HMS Erebus and HMS Terror. The third highest elevation is Mount Bird, with Shell Glacier and Endeavour Piedmont Glacier on its slopes. Abbott Peak stands between Mount Erebus and Mount Bird. Gamble Cone stands in the east of the island.
Despite its relatively small size, Ross Island is the world's 6th highest island. It has the highest average elevation of any island.
The Alcorta Rocks (77°30′S 166°22′E / 77.500°S 166.367°E) is a nunatak on the east shore of Maumee Bight, Ross Island, 2.6 kilometres (1.6 mi) east-northeast of Rocky Point. The feature rises to about 100 metres (330 ft) and is distinctive because three ridges radiate from the center. The rocks were named by the Advisory Committee on Antarctic Names in the year 2000 after Jesse J. Alcorta, a year-round support employee with eight field seasons at McMurdo Station from 1992–93 and many trips to South Pole Station; hazardous waste handling specialist at both McMurdo Station and South Pole Station; and cryogenic technician in support of the United States Antarctic Program laboratories.
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