Scientists see a decline in earthquakes, magnitude 3.0 or greater


The number of earthquakes measured at magnitude 3.0 or stronger in Oklahoma, is declining, according to recent reports.

According to the U.S.G.S., regulations against oil and natural gas producers have caused the decrease.

196 earthquakes larger than magnitude 3.0, were recorded in 2018, but that's compared to 903 in 2015.

Triggered after a record year for large quakes in the state in 2015, the Oklahoma Corporation Commission directed some producers to slow down on waste water injections, and closed other wells altogether.

Since then, notable differences in the number of magnitude 3.0 earthquakes, have been reported.

It's important to note, these earthquakes are now thought to be manmade, instead of caused by faults in the earth's crust.

According to the Oklahoma Geological Survey, "There is broad agreement among seismologists that the disposal of water into or in communication with basement rock presents a potential risk for triggering seismicity."

The most recent decline in numbers, scientists say, are evidence that their theories are correct.

Scientists do believe the waste water injections are linked to seismic activity. However; that's not the same thing as fracking.

According to the U.S.G.S., fracking is used to pull natural resources like oil out of the ground while waste water injection is used to get rid of excess water by forcing it back into the ground.

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