Powell Basin (62°15′S 49°30′W / 62.250°S 49.500°W / -62.250; -49.500) is an undersea basin between the southern tip of Argentina and Antarctica named for George Powell, captain of an English sealing ship, who discovered Powell Island.
Name approved 11/77 (ACUF 177).
This article incorporates public domain material from "Powell Basin".
Geographic Names Information System.
United States Geological Survey.