Breaking the rules for how tsunamis work

[ Watch the Video: Animation of a Tsunami Wave ] April Flowers for redOrbit.com - Your Universe Online An international collaboration has resulted in a new study showing that the earthquake zones off certain coasts, such as Japan and Java, make them especially vulnerable to tsunamis. These zones can produce a focusing point that creates massive and devastating tsunamis capable of breaking the rules by which scientists used to think tsunamis worked. Previously, scientists largely believed that the maximum onshore height for tsunamis could not exceed the depth of the seafloor. The new study, published online in the Proceedings of the Royal Society, Series A, reveals that when focusing occurs, the scaling relationship breaks down. Flooding can be up to 50 percent deeper with waves that do not lose height as they get closer to shore. "It is as if one used a giant magnifying lens to focus tsunami energy," said Utku Kanoglu, professor at the Middle East Technical University (METU). "Our results show that some s

Breaking the rules for how tsunamis work

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Video: Breaking the rules for how tsunamis work

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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 ...

Thu 7 Mar 13 from ScienceDaily

Some Earthquake Zones Create Focusing Points Which Cause Rule-breaking Tsunamis

[ Watch the Video: Animation of a Tsunami Wave ] April Flowers for redOrbit.com - Your Universe Online An international collaboration has resulted in a new study showing that the earthquake ...

Thu 7 Mar 13 from RedOrbit

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