Location of Greenwich Island in the South Shetland Islands.
|Archipelago||South Shetland Islands|
|Area||14 ha (35 acres)|
|Length||0.5 mi (0.8 km)|
|Administered under the Antarctic Treaty System|
Sierra Island (island which is marked by a series of small elevations throughout its length, lying 0.5 miles (0.8 km) northwest of Dee Island and north of Greenwich Island in the South Shetland Islands, Antarctica. Surface area 14 hectares (35 acres).) is a narrow
Named by the 5th Chilean Antarctic Expedition, 1950–51, after Sgt. Victor Sierra, sick-bay attendant of the patrol ship Lientur on the expedition.
- Composite Antarctic Gazetteer
- List of Antarctic islands south of 60° S
- Territorial claims in Antarctica
- L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. ISBN 978-954-92032-6-4
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