Authorities Sunday said a gas line rupture in Pasadena forced the evacuation of apartments and adjoining businesses for several hours.
Officials have given the all-clear following a major gas leak near the University of Southern California campus in Exposition Park.
Fire officials say a large cargo ship has been evacuated in Los Angeles harbor as firefighters work to find the source of a gas leak.
A construction crew ruptured an 8-inch natural gas line in Irvine Wednesday, causing a leak that prompted the evacuation of nearby Northwood High School and kept about 70 people out of their homes for hours.
Emergency crews are attempting to quench a fire stemming from a gas leak in Compton Wednesday night.
In the wake of the San Bruno disaster, residents living in the shadows of giant butane holding tanks are nervous about the possibility of another catastrophe hitting much closer to home.