Powell Island is a narrow island 7 miles (11.3 km) long and 2 miles (3.2 km) wide, lying between Coronation

Coronation Island

Coronation Island is the largest of the South Orkney Islands, long and from wide. The island extends in a general east-west direction, is mainly ice-covered and comprises numerous bays, glaciers and peaks, the highest rising to...

 and Laurie Island

Laurie Island

Laurie Island is an island in the Antarctic Circle, the second largest of the South Orkney Islands. The island is claimed by both Argentina as part of Argentine Antarctica, and the United Kingdom as part of the British Antarctic Territory...

s in the central part of the South Orkney Islands

South Orkney Islands

The South Orkney Islands are a group of islands in the Southern Ocean, about north-east of the tip of the Antarctic Peninsula. They have a total area of about ....

. Discovered on the occasion of the joint cruise by Capt. George Powell and Capt. Nathaniel Palmer

Nathaniel Palmer

Nathaniel Brown Palmer was an American seal hunter, explorer, sailing captain, and ship designer. He was born in Stonington, Connecticut.-Sealing career and Antarctic exploration:...

 in December 1821. It was correctly charted, though unnamed, on Powell's map published in 1822. Named for Captain Powell on an Admiralty chart of 1839.

See also

• Composite Antarctic Gazetteer
• List of Antarctic islands south of 60° S
• SCAR
  Scientific Committee on Antarctic Research
  The Scientific Committee on Antarctic Research is an interdisciplinary body of the International Council for Science . It was established in February 1958 to continue the international coordination of Antarctic scientific activities that had begun during the International Geophysical Year of 1957-58...
  
  
• Territorial claims in Antarctica