The 2004 tsunami killed hundreds of thousands. Are we better prepared now?
Warning systems for the deadly waves now exist in oceans around the world
A wall of water slams into a beach on Penang Island, Malaysia, on December 26, 2004. Giant waves generated by a 9.2 magnitude earthquake devastated countries around the Indian Ocean. Hardest hit was the island of Sumatra in Indonesia, which was nearest to the earthquake's epicenter.
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