Japan spent $500 million on a system to warn residents of a coming earthquake -- and it saved thousands of lives in the magnitude 9 earthquake in March. A team of researchers in California has put together a test system for $2 million and hopes to secure private funding to cover the $80 million it will take to make it a statewide public system over the next five years. The system places seismic monitors underground, which send warnings after the "P" waves of an earthquake and before the more dangerous "S" waves. "Shame on us if we do not learn from their misfortune," said Marcia McNutt, director of the U.S. Geological Survey, about Japan's experience.
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