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January 1, 2016 Comments (1) Views: 770 Solar Flares

Magnitude-4.2 Earthquake hits North of Oklahoma City

A magnitude-4.2 earthquake hit north of Oklahoma City early Friday, the latest in a series of quakes that have rattled the state at an increasing rate in the past few years.

There was no immediate word of injuries or damage after the quake hit around 5:40 a.m. Friday near Edmond, Okla. The quake was centered about 16 miles north of Oklahoma City.

The increase in quakes in the state has been linked to oil and gas production, according to state and federal scientists.

In 2012, the state experienced just a few dozen magnitude-3.0 or greater earthquakes. That number skyrocketed to more than 800 in 2015, according to the Associated Press.

Many of the quakes have occurred in swarms near areas where deep well injection operations — which pump wastewater from oil and gas production into the earth — are taking place.

SOURCE

planetary-k-index

Solar activity data for this time period – courtesy of http://www.swpc.noaa.gov/

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  • Citizen Quasar

    I was living in Oklahoma when I experienced my first earthquake.

    I was sitting at my desk and a large truck drove by on the street in front of the house. It shook the floor and began to shake my chair and my desk. I heard the guy in the room next to me run out into the hall and fall down the stairs as the whole house began to shake. (I was upstairs.).

    Then it kept shaking. Then, suddenly, it stopped. Then my landlady came in and told me we had just had an earthquake.