WATCH: Oklahoma TV anchors jolted by quake mid-newscast

OKLAHOMA CITY, Oklahoma (KTRK) -- Two television anchors got a jolt during a commercial break to an evening newscast when an earthquake struck.

A camera rolling on a Facebook Live broadcast captured the anchors' surprised reaction inside the studios of KOCO-TV, the ABC affiliate in Oklahoma City.

The U.S. Geological Survey reported the quake felt in that moment was a 4.2-magnitude temblor.

The quake knocked out power to more than 4,600 homes and businesses. KOCO's power, though, was not affected.

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