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 ...

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 ...

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 ...

Seismologists have a term they use carefully: a "seismic gap." It refers to a section of an active fault that has gone quiet ...

In earthquake country, the meandering paths of quake faults easily get seared into memory in the same way as a California freeway map. An earthquake fault is a fracture in the ground between two ...

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 ...