Scientists uncover evidence of prehistoric 'megatsunami'

Scientists have found evidence of an unprecedented “megatsunami” off the Cape Verde Islands that occurred some 70,000 years ago. Caused by sudden volcanic collapse, the 800-foot wave would have engulfed what is now Santiago Island, some thirty miles away. That estimate, which was published today in Science Advances, could prompt scientific community to re-evaluate the threat of catastrophic collapses near coastal communities.
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