Protector Shoal

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Protector Shoal
Location of Protector Shoal
Summit depth55 metres (180 ft)
Height3,900 feet (1,200 m)
Location31 miles (50 km) NW of Zavodovski Island
GroupSouth Sandwich Islands
Coordinates56°01′S 28°25′W / 56.017°S 28.417°W / -56.017; -28.417
CountryUnited Kingdom
TypeSeamount, Submarine volcano
Last eruption1962; 57 years ago (1962)
Discovery date1962 (1962)
Discovered byRoyal Navy Ice Patrol Vessel H.M.S. Protector
South Sandwich Islands

Protector Shoal is a submarine volcano, also called seamount, which rises gently from an ocean depth of 3,900 feet (1,200 m) to about 55 metres (180 ft) below sea level approximately 31 miles (50 km) NW of Zavodovski Island in the South Sandwich Islands chain. The last eruption occurred during March 1962. Protector Shoal is the only volcano in the arc that has erupted rhyolite pumice.

See also[edit]


  • LeMasurier, W. E.; Thomson, J. W., eds. (1990). Volcanoes of the Antarctic Plate and Southern Oceans. American Geophysical Union. p. 512 pp. ISBN 0-87590-172-7.
  • "Protector Shoal". Global Volcanism Program. Smithsonian Institution. Retrieved 2017-03-03.
  • "Protector Shoal". Volcano World. Oregon State University. Retrieved 2009-04-28.