Sigma Islands

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Sigma Islands
Sigma Islands is located in Antarctica
Sigma Islands
Sigma Islands
Location in Antarctica
Location Antarctica
Coordinates 64°16′S 62°55′W / 64.267°S 62.917°W / -64.267; -62.917Coordinates: 64°16′S 62°55′W / 64.267°S 62.917°W / -64.267; -62.917
Archipelago Melchior Islands,
Palmer Archipelago
Administered under the Antarctic Treaty System
Population Uninhabited

Sigma Islands is a group of small islands and rocks which lie 5.6 km (3 nmi) north of Eta Island and mark the north limit of the Melchior Islands, in the Palmer Archipelago. The name, derived from the 18th letter of the Greek alphabet, appears to have been first used on a 1946 Argentine government chart following surveys of these islands by Argentine expeditions in 1942 and 1943.

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 This article incorporates public domain material from the United States Geological Survey document "Sigma Islands" (content from the Geographic Names Information System).