"We've added details on how faults rupture and how complex they might ... the most recent major quake to hit the U.S. T ools like the USGS map are used to help inform building codes and ...
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.
LOS ANGELES (KABC) -- Shaking was felt across Los Angeles after a 3.9-magnitude earthquake struck the North Hollywood area on ...