The devastating Southeast Asian tsunami in 2004 prompted this examination of the little understood phenomena in National Geographic's "Tsunami - Killer Wave" (2005). These destructive waves appear suddenly and can move at over 600 miles an hour, devastating entire cities and their populations in minutes. National Geographic looks into their unpredictable behavior and patterns, interviews tsunami survivors and reveals the precautions that are being taken to avoid future tragedies in this educational documentary.
