Thunder Glacier () is a through

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its Ablation#Glaciology, ablation over many years, often Century, centuries. It acquires dis ...

, 4 nautical miles (7 km) long, which extends in an east–west direction across

Wiencke Island Wiencke Island is an island long and from wide, about in area, the southernmost of the major islands of the Palmer Archipelago, lying between Anvers Island to its north across the Neumayer Channel and the west coast of the Antarctic Peninsul ...

between

Sierra DuFief The Sierra DuFief () is a mountain range 4 nautical miles (7 km) long with numerous sharp peaks, the highest at , extending in a northeast–southwest direction in the south part of Wiencke Island, in the Palmer Archipelago. It was discovere ...

and the

Wall Range Wall Range is a mountain range, long in a NE-SW direction with steep wall-like cliffs and jagged peaks rising to , extending from Thunder Glacier to Channel Glacier in the center of Wiencke Island, in the Palmer Archipelago. First mapped by the ...

, in the Palmer Archipelago. Probably known since the discovery of Wiencke Island by the Belgian Antarctic Expedition in 1898. Charted in 1944 by the

Falkland Islands Dependencies Survey The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of global issues, and to provide an active presence in the Antarctic on ...

(FIDS), and so named by them because a survey party was nearly overwhelmed there by an avalanche.

References

Glaciers of the Palmer Archipelago Wiencke Island {{PalmerArchipelago-glacier-stub

See also

References