COMPOSITE GAZETTEER OF ANTARCTICA

SE of Powell Island, was roughly charted by Powell and Palmer in December 1821; recharted by Sørlle, 1912-13, and named Fredriksens Ø or Fredriksens Øya (Sørlle, chart, 1912; Sørlle and Borge, chart, 1913). Fredriksen's Island (BA, 1916, p.412). Dibden-Insel (Powell Island, q.v.) (Kühn, 1920, p.261). Isla Fredriksen (Argentina. MM chart 31, 1930; Pierrou, 1970, p.376). Fredriksen Öya (Sørlle, chart, [1930]). Fredriksen Island, following survey by DI in 1933 (BA chart 1775, 17.viii.1934; APC, 1955, p.10). Frederiksen [sic] Island (France. SHM, 1937, p.388; Ommaney, 1938, p.112). Coffer Island (q.v.), in error (USAAF chart 1738, 1943). Frederiksen (France. SHM, 1937, p. 388). Fredriksens Island, as rejected form (USBGN, 1947, p.168). Isla Coffer, in error (Argentina. IGM map 3738, 1958). Fredricksen [sic] Island (FID, 1959, p.67). In 1967 the island was designated as part of SPA No. 15 under the Antarctic Treaty (FO, 1967, p.9).

Island 2.5 mi long and 0.5 mi wide, lying 0.5 mi SE of Powell Island in the South Orkney Islands. Discovered by Capt. Nathaniel Palmer and Capt. George Powell on the occasion of their joint cruise in December 1821. Named by Norwegian whaling captain Petter Sorlle, who made a running survey of the island in the 1912-13 season.