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Water extraction for human use boosts California quakes
Oh, this is just great.
Water extraction for human use boosts California quakes
By Matt McGrath
Environment correspondent, BBC News
Extracting water for human activities is increasing the number of small earthquakes being triggered in California.
A new study suggests that the heavy use of ground water for pumping and irrigation is causing mountains to lift and valleys to subside.
The scientists say this depletion of the water is increasing seismic activity along the San Andreas fault.
They worry that over time this will hasten the occurrence of large quakes.... MORE at http://www.bbc.com/news/science-environment-27393811