64°16′S 62°55′W
Sigma Islands
Part of Melchior Islands
6 km (3 nmi) north of Eta Island and mark the north limit of the Melchior Islands, in the Palmer Archipelago.
Overview
The Sigma Islands are 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, The Island was discovered by The Argentinian navigator Vitór Martinez And a group of other navigators in 1874.
From Wikipedia, CC BY-SA 4.0
Census, cataloged
Also in the area
5
Inside the group's outline but not confirmed as members by any source.
- Unnamed island0.17 km²
- Unnamed island0.11 km²
- Unnamed island19 m · 0.07 km²
- Unnamed island10 m · 0.06 km²
- Unnamed island0.05 km²
Figures
Comparative heights
To the same scale
Islands by area
km², log scale
| Unnamed island | 0.17 km² |
| Unnamed island | 0.11 km² |
| Unnamed island | 0.07 km² |
| Unnamed island | 0.06 km² |
| Unnamed island | 0.05 km² |