A light, 4.1-magnitude earthquake struck in Southern California on Sunday, according to the United States Geological Survey.
Multiple tremors were recorded by the USGS over the past week, including one which struck as the Oscars ceremony was underway.
Under California's Sierra Nevada mountains, a slow yet powerful force will change the entirety of the Earth's crust there.
A minor, 3.5-magnitude earthquake struck in Southern California on Saturday, according to the United States Geological Survey ... to update the shake-severity map. An aftershock is usually ...