Thompson Island (South Atlantic)

It was thought to be about 70 km (43 mi; 38 nmi) north-northeast of Bouvet Island, a small Norwegian dependency between South Africa and Antarctica.

When, however, the German survey ship Valdivia fixed the position of Bouvet in 1898, it then looked for Thompson, but did not find it.

If Thompson ever existed, it is probable that it disappeared in a volcanic eruption sometime in the 1890s,[1] although in 1997 it was reported that the sea depth at the supposed location is greater than 2,400 metres (7,900 ft; 1.5 mi), rendering the existence of a submarine volcano all but impossible.

Thompson Island continued to appear on maps published as late as 1943.

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