This San Francisco home collapsed in the 1989 Loma Prieta earthquake, which also claimed dozens of lives. ADAM TEITELBAUM/AFP/Getty Images hide caption

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U.S. Quake Warning System Could Save Lives When Seconds Count

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A farmer feeds her cattle at a farm in Futamata, Fukushima prefecture, about 28 miles west from the Fukushima nuclear power plant, on March 20, 2011. AFP/AFP/Getty Images hide caption

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A man is scanned for radiation exposure at a temporary center for residents living close to the damaged Fukushima Daiichi plant on Wednesday, March 16, 2011. Gregory Bull/AP hide caption

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Richard Harris, from Tokyo

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