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Thompson Island   »  Summary

Thompson Island

A photograph is not available for this volcano.

Country:Norway
Subregion Name:Southern Atlantic Ocean
Volcano Number:1806-03-
Volcano Type: Submarine volcano ?
Volcano Status:Uncertain
Last Known Eruption: Unknown
Summit Elevation: Unknown
Latitude: 53.93°S 53°56'0"S
Longitude: 5.50°E 5°30'0"E

An island reportedly last seen in 1893 about 70 km NNE of Bouvet Island was gone in 1898, possibly as a result of an undetected volcanic eruption (Baker, 1967). The location for the island given by Norris in 1825 appears unlikely. Bathymetry at the reported location of the island shows a depth of more than 2400 m (Smith and Sandwell, 1997), and the exact location of the possible former island and the confirmation of the existence of a submarine volcano remains uncertain. Thompson Island was not mentioned in a LeMasurier and Thomson (1990) compilation of volcanoes of the Antarctic Plate and the southern oceans, for which Baker was an associate editor.

Global Volcanism ProgramDepartment of Mineral SciencesNational Museum of Natural HistorySmithsonian Institution

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