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MegaQuake: The Hour That Shook Japan

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With brand new exclusive footage and first person accounts from Sendai and Tokyo, this one-off special pieces together the tectonic anatomy, scientific impact, global threat and future implications of one the most earth-shattering seismic events in history. As we explore this most recent Ring of Fire cataclysm in relation to other recent disasters, scientists pose the question - is the Pacific Northwest United States next in line?