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The coloured areas on this map indicate the coastal regions that flooded after the 1883 Krakatoa volcanic eruption. Krakatoa is shown in the centre of the Sunda Strait, between Sumatra and Java.

A map of the effects of the 1883 Krakatoa volcanic eruption. The orange line is the islands’ outline pre-eruption; the red line is the boundary of the collapsed area. Red numbers are sea depth. Pre- and post-eruption sizes of the islands are listed.