World's worst natural disasters

Published On: Aug 27 2011 10:16:25 PM CDT   Updated On: Mar 11 2015 11:12:29 AM CDT

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

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More than 1,200 deaths were blamed on Hurricane Katrina when it devastated the Gulf Coast in 2005, breaching the levees and flooding most of New Orleans for days.

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