Oklahoma’s oil-and-gas regulators are investigating a recent cluster of earthquakes recorded near Blanchard, about 30 miles south of downtown Oklahoma City, including three of magnitude 3.0 or higher.
The Oklahoma Corporation Commission announced it is investigating all oil and gas activity near Blanchard, where the U.S. Geological Survey has recorded at least eight tremors since last week. Prior to that, the Blanchard area had seen three similar-sized earthquakes since January, all of which were recorded in May.
The commission issued a series of directives in February aimed at reducing earthquakes, asking the operators of nearly 250 injection wells in northwestern Oklahoma to reduce the amount of wastewater they inject underground by 40 percent.
The Blanchard area is not covered under those directives.
Related:
- More Quakes Strike in Oklahoma a Day After Nearly 12 Rattle State
- Doak Deems Oklahoma Earthquake Insurance Market ‘Noncompetive’
- Insurers Limit Exposure as Quakes Increase in Oklahoma
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