In 2015, Oklahoma recorded just over 900 earthquakes of at least a 3.0 magnitude. In 2016, the total fell to 623 and this year’s figure is on track to be about 300.
Since the vast majority of these earthquakes are linked to produced water injections, the trend line is welcome news to the state's oil and gas industry. However, for Jeremy Boak, director of the Oklahoma Geological Survey, 300 of these generally small earthquakes is still too many.
“We are seeing seismicity decline,” he said. “But I’m a little uneasy that it’s flattening out at a rate that I have a hard time believing will be acceptable in Oklahoma.”...
Induced Earthquakes in Oklahoma Dropping, But Not off the Radar
Trent Jacobs, JPT Digital Editor
26 July 2017