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TSUNAMIS EXAMPLES AND DAMAGE
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UPLIFT OF SEAFLOOR
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OPEN OCEAN TRAVEL AT 600 MPH AMPLITUDE LESS THAN 3 FEET
WAVELENGTH 300 FEET
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APPROACH SHORE PULL WATER AWAY FROM BEACH
SLOWS DOWN TO ABOUT 50 MPH BECAUSE OF FRICTION WAVE RISES UP AS THE BOTTOM HITS SEA FLOOR CRASHES ASHORE – BATTERS PEOPLE AND BUILDINGS PULLS EVERYTHING BACK OUT TO SEA
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COMING ASHORE
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ACEH Tsunami, 2004 Magnitude 9.0 Epicenter offshore Sumatra
283,000 People Killed 3.5 million homeless
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OTHER TSUNAMIS HAWAII 1946 – UP TO 55 FEET HIGH 175 KILLED
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Hawaii, Tsunami 1946
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DART
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