The National Oceanic Atmospheric Administration (NOAA) has put the final touches on a system designed to alert U.S. territories when a tsunami strike is imminent.

The system was initiated shortly after a devastating tsunami killed more than 300,000 Indonesians on Dec. 26, 2004. The gargantuan wave was caused by an earthquake in the Indian Ocean. Because the Pacific and Indian Oceans have a high percentage of convergent faults, tsunami occurrences are more common, with more than 80 percent of all tsunamis taking place in that region. The Pacific Ocean region alone accounts for three out of four tsunamis.

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