CBS LocalMagnitude 6.5 Earthquake Strikes Off Northern California CoastCBS LocalFERNDALE, Humboldt County (CBS SF) — A magnitude 6.5 earthquake struck off the Northern California coast in the Mendocino Fracture Zone early Thursday morning, according to the U.S. Geological Survey. The USGS reports that the earthquake struck at ...Magnitude 6.5 earthquake hits off Northern California coastLos Angeles Times6.5 earthquake off Northern California; 'the…The Mercury NewsMagnitude 6.5 Earthquake Shakes CaliforniaNPRInternational Business Times -The Seattle Times -U.S.