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Protector Shoal Volcano | John Seach
South Sandwich Islands
55.92 S, 28.08 W
summit elevation -27 m
Submarine volcano
Protector Shoal is the only volcano in the South Sandwich islands that has erupted rhyolite pumice. It is located at the northern end of the South Sandwich Islands.
At the end of 1963, pumice from the 1962 eruption (up to 1 m in diameter) washed up on SW coast of Tasmania. Pumice reached the South Island of New Zealand near Greymouth in September 1964.
A magnitude 6.0 earthquake occurred at Protector Shoal on 14th April 2008.
Further reading
Leat, P.T., Larter, R.D. and Millar, I.L., 2007. Silicic magmas of Protector Shoal, South Sandwich arc: indicators of generation of primitive continental crust in an island arc. Geological Magazine, 144(1), pp.179-190.
Baker, P.E., 1978. The South Sandwich Islands: iii. petrology of the volcanic rocks (Vol. 93). British Antarctic Survey.
Protector Shoal Volcano Eruptions
1962