A Case Study on Tsunami Preparedness in Hawaii

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A Case Study on Tsunami Preparedness in Hawaii

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Introduction

• Is a series of high waves in the ocean emanating
  from displacement of water.
• Hawaii has been hit by different tsunamis.
• Its preparedness has been put on the national
  agenda.
• Hawaii is high risk area for tsunami.

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Background

• Ten distant tsunamis have occurred in Hawaii.
• Once detected people evacuate to higher grounds.
• Hawaii area is seismically active.
• Sea earthquakes cause local tsunamis.
• Warning centers provides information.
• This keep the team on the ground updated.

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Distant tsunami

• High level alerts indicates a destructive wave is
  approaching.
• Local authorities to carry out a full evacuation.
  
• The public is warned.
• The emergency management team is expected to move
  into the exposed zones.
• They ensure complete evacuation.

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Local tsunami

• Once detected, the Pacific Tsunami Warning Center
  issues an urgent local warning.
• The public leaves areas with immediate effect.
• Local tsunamis do not leave much time to prepare.
• Residents are advised to move to higher grounds.
• This reduce mortality rates.

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Warning Centre

• After Hawaii is struck by a local tsunami, the
  Pacific Tsunami Warning Center is also affected.
• It is likely to go down for some time.
• Its duties are delegated to West Coast Alaska
  Warning Center (WCATWC).
• Residents are advised to take the warnings
  issued.

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Recommendations

• Timely Evacuation.
• Records and other vital documents are secured.
• This eliminate the need of reconstruction.
• Local residents should be informed on what is
  expected of them if a tsunami warning is issued.
• Harbor tenants should ensure that their vessels
  and personal effects are insured.

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