A light, 4.1-magnitude earthquake struck in Southern California on Sunday, according to the United States Geological Survey.
Under California's Sierra Nevada mountains, a slow yet powerful force will change the entirety of the Earth's crust there.
The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.
The earthquake hit on Sunday at 1:03 p.m. It was followed by a magnitude 2.5 earthquake a minute later, and magnitude 3 and ...
Multiple tremors were recorded by the USGS over the past week, including one which struck as the Oscars ceremony was underway.