COMPOSITE GAZETTEER OF ANTARCTICA

joined to S end of Powell Island by a narrow isthmus, partially covered at high water, was roughly charted by Powell and Palmer in 1821; further charted by Sørlle in 1912 and named Michelsenss [sic] Ø (Sørlle, chart, 1912), Michelsens Øya or Michelsens Island (Sørlle and Borge, chart, 1913). Michelsen's Island (BA, 1916, p.412). Cruchley Island (Powell Island, q.v.) (BA, 1930, p.52). Michelsen Öya (Sørlle, chart, [1930]). Isla Milkensen [sic] (Argentina. MM chart 31, 1930). The island was re-charted by DI in 1933. Michelsen Island (BA chart 1775, 17.viii.1934; APC, 1955, p.15). Isla Michelsen (Argentina. MM, 1945, p.277; Pierrou, 1970, p.519). In 1967 the island was designated as part of SPA No.15 under the Antarctic Treaty (FO, 1967, p.9).

Small island in the South Orkney Islands, joined to the S end of Powell Island by a narrow isthmus of occasionally submerged boulders. First observed and rudely mapped in 1821 by Capt. George Powell and Capt. Nathaniel Palmer. Named on a map by Capt. Petter Sorlle, Norwegian whaler who made a running survey of the South Orkney Islands in 1912-13.