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All tsunamis are, by definition, big events. Their fuel is a
major geologic disturbance—a landslide, volcanic
eruption, earthquake, or even meteor impact—that
displaces huge amounts of water. Their power is so intense
that it can make civilization appear remarkably fragile, even
in the 21st century. But some tsunamis are bigger than others,
either in terms of their destructive power, or because of what
they can tell scientists about the nature and potential of
catastrophic waves. In this interactive, explore key tsunamis
dating from 3.5 billion years ago right through possible
future events, and discover what experts have learned and
continue to learn from studying them. To launch the
interactive, click on
the image at left.—Lexi Krock
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