tsunamis a tsunami is a series of waves in a body of water caused by the displacement of a large...
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TSUNAMIS A tsunami is a series of waves in a body of water caused by the displacement of a large volume of water, generally in an ocean or a large lake.
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CAUSES
75% caused by earthquakes
8% caused by underwater landslides.
5% caused by volcanic eruption.
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MECHANISM
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EFFECTS
2004 Indian Ocean tsunami
2004 Indian Ocean tsunami
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HIGH RISK MAP
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Planning Strategies to Reduce Tsunami Effects
Avoid Inundation AreasSlow Water
Steering Blocking
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PREDICTION
Geoscience Australia
PTWC and ATWC
Buoys and tide gauges
Y. Tony Song’s prototype
DART
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HOW TO REACT Tsunami Watch: Make preparations and stand by for further updates.
Tsunami Warning – Marine Threat: Get out of the water, secure boats and move away from beaches, marinas, estuaries and rock platforms.
Tsunami Warning – Land Threat: If your area is advised to be under threat, move to higher ground -10 m above sea level or 1k m inland.
Cancellation:Even though the tsunami warning has been cancelled, unusual rips, tides and currents may persist. Emergency services will advise the 'All Clear' when it is safe to return.