Water extraction boosts California quake risk: study
Paris (AFP) May 14, 2014 - Relentless pumping of water to irrigate farms in part of California's Central Valley is boosting the risk of earthquakes on the San Andreas fault, geologists said on Wednesday. A century and a half of water extraction has bit by bit released a massive weight on a local part of the Earth's crust, causing it to spring up and ease a brake on the notorious fault, they said. "This process bri ... more
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