KEN MILLER, Associated Press OKLAHOMA CITY (AP) — A 5.1 magnitude earthquake shook northwest Oklahoma and was felt in seven other states on Saturday, the U.S. Geological Survey said, the third-largest temblor ever recorded in the state where the power and frequency of earthquakes has dramatically increased in recent years. The earthquake centered about 17 miles north of Fairview in northwestern Oklahoma occurred at 11:07 a.m.Read more on NewsOK.com