April 5, 2012

USGS: Recent Earthquakes 'Almost Certainly Manmade'

Common Dreams - A US Geological Survey research team has linked oil and natural gas drilling operations to a series of recent earthquakes from Alabama to the Northern Rockies. According to the study led by USGS geophysicist William Ellsworth, the spike in earthquakes since 2001 near oil and gas extraction operations is “almost certainly man-made.” The research team cites underground injection of drilling wastewater as a possible cause.

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