As PG&E’s aging Diablo Canyon nuclear power plant is up for a 20-year federal license renewal, one scientist cites new GPS data to suggest there’s a looming seismic threat from an active thrust fault ...

Southern California was recently rattled by several small earthquakes. They produced minor shaking but nonetheless left psychological aftershocks in a region whose seismic vulnerabilities are matched ...

An aerial view of the La Cañada Flintridge foothills shows dust and dirt thrown into the air following a magnitude 5.9 earthquake from Oct. 1, 1987. (George Rose / Getty Images) Monday's magnitude 4.4 ...

Add Yahoo as a preferred source to see more of our stories on Google. The magnitude 4.4 earthquake that rattled Los Angeles on Monday was centered within one of the region's most potentially ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Recent earthquakes that have shaken California may be a result of a Southern California fault line considered even more ...

The Moon, long treated as a geologically dead world, is producing seismic activity from sources that scientists are only now beginning to identify. Reanalysis of decades-old Apollo seismic records, ...

The 4.4 magnitude earthquake that was felt in many Southern California cities Monday fell on the Puente Hills Thrust Fault System, which is potentially the most destructive in the region. Millions of ...

Add Yahoo as a preferred source to see more of our stories on Google. An aerial view of the La Cañada Flintridge foothills shows dust and dirt thrown into the air following a magnitude 5.9 earthquake ...