The tsunami of 2004 was triggered by a massive undersea earthquake off the coast of the Indonesian island of Sumatra. But 121 years before, in 1883, this same geologically active zone was hit by a first huge natural catastrophe.
Off the southern tip of Sumatra, the volcanic island of Krakatoa exploded in the most devastating eruption in modern recorded history. The eruption generated a huge ash cloud that affected climate around the world - and produced a wave twice the height of the Boxing Day tsunami.
This major dramatised account tells the story of the eruption, and of the scientists who took the first tentative steps towards understanding and predicting the geological forces that caused it.
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