Earthquake jolts Northern California. 'We can expect aftershocks,' USGS says A magnitude 4.6 earthquake centered in Santa Cruz County rattled Northern California early Thursday, waking people up as far away as San Francisco.

California Earthquake: Magnitude 4.6 earthquake struck Northern California near Santa Cruz, jolting residents from the Bay area to Silicon Valley #CaliforniaEarthquake #SantaCruzQuake #Earthquake #UnitedStates