Fewer strong earthquakes in Oklahoma thus far in 2017
December 24, 2017
OKLAHOMA CITY (AP) — Regulators and scientists say the number of 3.0 magnitude or stronger earthquakes in Oklahoma is declining.
The Oklahoma Geological Survey reports the number of quakes of at least that magnitude during 2017 was 294 through mid-December, compared to 624 total during 2016.
The geological survey has said the number began declining in mid-2015 after the state Corporation Commission began directing oil and gas producers to close some wells and reduce injection volumes in others.
The directive came after the quakes were linked to the underground injection of wastewater from...