A geothermal energy plant near the Salton Sea in California taps deep underground heat from the southern San Andreas Fault rift zone. A new study ties the amount of water pulled from the ground by the geothermal plant here to the frequency of earthquakes.
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Photos depict scenes at the $34 million command center in Camp Leatherneck, completed in November. U.S. troops will never use the facility, the Special Inspector General for Afghanistan Reconstruction says.