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(CNN) — The strongest earthquake in 25 years in Northern California struck early Sunday, injuring dozens of people, damaging historic buildings in downtown Napa and turning fireplaces into rubble.

The 6.0-magnitude quake struck just six miles southwest of Napa, California’s famed wine country.

“Everything and everyone in Napa was affected by the quake. My house, along with everybody else’s, is a disaster. It looks like somebody broke in and ravaged the place, room by room,” said CNN iReporter Malissa Koven, who was awakened by the shaking at about 3:20 a.m.

“Anything and everything that could fall, did,” she said.

One child was hurt when a fireplace collapsed and was airlifted to UC Davis Medical Center, hospital spokeswoman Vanessa deGier told CNN.

Nearly 160 were treated for minor injuries at the emergency room at Queen of the Valley Hospital, though hospital CEO Walt Mickens could not confirm that all of those patients were injured in the earthquake.

Thirteen people were admitted for orthopedic issues and medical conditions, according to Mickens. The remainder were treated and released, suffering from bruises and lacerations, he said. By Sunday night, only one patient was still in critical condition.