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+--- Thread: Risk of huge tsunamis in Hawaii (/thread-115.html)
Risk of huge tsunamis in Hawaii - C C - Oct 21, 2014
http://www.eurekalert.org/pub_releases/2014-10/agu-mdp102014.php
SNIP: A mass of marine debris discovered in a giant sinkhole in the Hawaiian islands provides evidence that at least one mammoth tsunami, larger than any in Hawaii's recorded history, has struck the islands, and that a similar disaster could happen again, new research finds. Scientists are reporting that a wall of water up to nine meters (30 feet) high surged onto Hawaiian shores about 500 years ago. A 9.0-magnitude earthquake off the coast of the Aleutian Islands triggered the mighty wave, which left behind up to nine shipping containers worth of ocean sediment in a sinkhole on the island of Kauai. The tsunami was at least three times the size of a 1946 tsunami that was the most destructive in Hawaii's recent history...