GREENVILLE, Calif. (AP) — An earthquake has struck Northern California's Plumas County with a preliminary magnitude of 5.7. Rafael Abreau, a geophysicist with the U.S. Geological Survey's National Earthquake Center, says the temblor struck at 8:47 p.m. and was centered six miles west northwest of Greenville, and 26 miles southwest of Susanville. Abreu says there have been no reports of damage in early field reports. The quake was felt in Chico, Redding, and Sacramento area. There have been mulitple aftershocks ranging from 2.6-to-3.5-magnitude. Abreu said the shaking measured by the quake could have inflicted light damage of structures.