Powell Basin (62°15′S 49°30′W) is an undersea basin named for George Powell, captain of a British sealing ship, who discovered Powell Island. Name approved 10/77 (ACUF 177).
Map of Powell Basin
This article incorporates public domain material from the United States Geological Survey document "Powell Basin" (content from the Geographic Names Information System).
References
Powell Basin Wikipedia(Text) CC BY-SA