Protector Shoal

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Protector Shoal
Location of Protector Shoal
Summit depth 55 metres (180 ft)
Height 3,900 feet (1,200 m)
Location 31 miles (50 km) NW of Zavodovski Island
Group South Sandwich Islands
Coordinates 56°01′S 28°25′W / 56.017°S 28.417°W / -56.017; -28.417
Country United Kingdom
Type Seamount, Submarine volcano
Last eruption 1962; 56 years ago (1962)
Discovery date 1962 (1962)
Discovered by Royal 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.