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‘Quake Frequency Declines, Seismic Energy in Oklahoma Increases’

Though the rate of earthquakes “has declined from its peak,” the 5.8-magnitude earthquake near Pawnee has made 2016 the most seismically active year on record “as measured by seismic energy release,” Oklahoma Geological Survey Director Jeremy Boak tells the Enid News‘ Sally Asher. Studying seismicity: Quake frequency declines, seismic energy in Oklahoma increases ENID, Okla. [...]

Why Oklahoma’s Earthquake Risk Could Be Lower Than USGS Forecast Suggests

Earthquake activity cracked a wall of a workshop used by monks at St. Gregory's Abbey in Shawnee, Okla.

The U.S. Geological Survey on Monday released new maps and models showing Oklahoma has the highest risk for potential shaking from human-triggered earthquakes. The first-of-its-kind report was based on information on the frequency and intensity of earthquakes throughout the country, but the analysis didn’t include data on the injection of wastewater, the oil-field practice scientists [...]

Former Seismologist: Reluctance to Act on Earthquake Science Was ‘Ingrained’ at State Agency

Oklahoma Geological Survey seismologists and representatives from the Corporation Commission lead a public meeting on earthquakes held in March 2015 in Medford, Okla.

Joe Wertz / StateImpact Oklahoma Oklahoma Geological Survey seismologists and representatives from the Corporation Commission lead a public meeting on earthquakes held in March 2015 in Medford, Okla. A former research seismologist with the Oklahoma Geological Survey says agency leaders and other state officials fostered a culture of hesitation and reluctance to act on science [...]

Oil Executive Says He Didn’t Try to Get Earthquake Scientists Fired

Harold Hamm in April 2012 at TIME Magazine's 100 Most Influential People In the World gala in New York City

Harold Hamm, the billionaire founder and CEO of Continental Resources, denies a report that told a University of Oklahoma dean he wanted scientists dismissed who were researching links between oil and gas production and Oklahoma’s exponential increase in earthquakes. In emails obtained by Bloomberg’s Benjamin Elgin, Larry Grillot, then the dean of OU’s Mewbourne College [...]

As Oklahoma Agency Pointed to Natural Causes, Staff Suspected Quakes Were Linked to Oil

The Oklahoma Geological Survey on April 21 acknowledged Oklahoma’s ongoing earthquake surge is “very likely” triggered by wastewater disposal wells used by the oil and gas industry, a formal recognition that comes after years of scientific research that reached similar conclusions. For years, the OGS’s formal public position was that Oklahoma’s earthquakes were likely natural. [...]

Oil Executive’s Meeting With Oklahoma Seismologist: Conversation or Intimidation?

Austin Holland with the Oklahoma Geological Survey, seated in the center, at a capitol hearing on Oklahoma's earthquake surge.

In November 2013, Oklahoma state seismologist Austin Holland was called into a meeting with University of Oklahoma President David Boren and Continental Resources Chairman and oil billionaire Harold Hamm, EnergyWire’s Mike Sorgahan reported earlier this month. Boren serves on Continental’s board of directors, Hamm is a major OU donor, and Holland works at a state [...]

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