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Breaking the rules for how tsunamis work: Sea floor earthquake zones can act like a 'magnifying lens' strengthening tsunamis beyond what was through possible

Until now, it was largely believed that the maximum tsunami height onshore could not exceed the depth of the seafloor. But new research shows that when focusing occurs, that scaling relationship breaks down and flooding can be up to 50 percent deeper with waves that do not lose height as they get closer to shore.
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