World's worst natural disasters

POSTED: 11:16 PM Aug 27 2011   UPDATED: 12:12 PM Mar 11 2015

Wednesday marks the fourth anniversary of a tsunami devastating Japan. Here's a list of the world's worst natural disasters.

worst natural disasters - Indian Ocean tsunami
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Scott Barbour/Getty Images

On Dec. 26, 2004, when many tourists were celebrating the holidays, an undersea earthquake in the Indian Ocean triggered a series of devastating tsunamis that killed about 187,000 people. It is the worst tsunami on record.


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