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Tag Archives: U.S. Geological Survey

TX House Subcommittee hears testimony from Railroad Commission seismologist

Justin Scott | Breaking Energy Following the Texas Railroad Commission’s recent proposal for additional rules related to disposal wells in “high-risk” seismic areas, on Monday, August 25, members of the Texas House Subcommittee on Seismic Activity heard testimony from Dr. Craig Pearson, the seismologist hired by the Railroad Commission to investigate the possible correlation between seismic events and oil and gas activity. Pearson’s hiring followed a ...

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Fracking may endanger groundwater in California

David R. Baker |  San Francisco Chronicle Fracking for oil in California happens at shallower depths than previously realized and could pose a risk to precious groundwater supplies, according to a federally commissioned report released Thursday. The report found that half of the oil wells fracked in the state lie within 2,000 feet of the surface, close to aquifers. Hydraulic ...

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Swarm of 20 earthquakes shake Oklahoma in one day

John Deede | Shale Plays Media Google+ The state of Oklahoma recorded a stunning 20 earthquakes on Tuesday. The quakes went mostly unnoticed due to their low magnitude. Emily Atkin from ThinkProgress.org reports: Oklahoma’s Geology Survey recorded an unprecedented 20 small earthquakes across the state on Tuesday, highlighting the dramatic increase of seismic activity that has occurred there as the controversial process ...

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Less shake from artificial quakes, fed study says

Seth Borenstein | The Associated Press WASHINGTON — Man-made earthquakes, a side effect of some high-tech energy drilling, cause less shaking and in general are about 16 times weaker than natural earthquakes with the same magnitude, a new federal study found. People feeling the ground move from induced quakes — those that are not natural, but triggered by injections of ...

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Railroad commission publishes proposed rules on injection wells

Max Baker | Fort Worth Star-Telegram Following a rash of earthquakes in North Texas that some argue is connected to fracking, the Texas Railroad Commission today released proposed rules requiring drillers to provide additional information before sinking injection wells in areas where there has been seismic activity. If the proposed rules are approved by the commission later this year, drillers ...

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Column-Oklahoma earthquakes linked to oil and gas production

seismograph earthquake

By John Kemp May 9 (Reuters) – Central Oklahoma faces a significantly increased risk of a damaging earthquake, and the threat is probably related to oil and gas extraction, the U.S. Geological Survey warned on Monday. “As a result of the increased number of small and moderate shocks, the likelihood of future, damaging earthquakes has increased for central and north-central ...

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