2 earthquakes hit Edmond, Oklahoma on December 29, 2015.
The first strong quake was 4.3 in magnitude. And 10 minutes another FRACKING M3.4 quake occurred. Did you hear any boom?

The U.S. Geological Survey recorded a 4.3 magnitude quake around 5:40 a.m. The epicenter struck near I-35 and Covell in Edmond. About 10 minutes later, another earthquake shook Edmond. According to the USGS, the second quake was a 3.4.
Look at this new map of the earthquake hazards in the US.
Officials say a section of Edmond was briefly without power due to the earthquake.
Many Oklahomans took to social media to say they felt the quake.
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