An earthquake that shook Southern California today was centered near the community of Julian, about 45 miles northeast of San Diego. Shaking was also felt in the Los Angeles area.

Using rock samples collected from the Wasatch Fault, geoscientists combined experiments and analysis with examinations of fault rock textures. The team's research revealed significant clues about the ...

About 240 miles long, Utah's Wasatch Fault stretches along the western edge of the Wasatch Mountains from southern Idaho to ...

Below California’s famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults — some so infamous that their names are burned into the state’s collective ...

including rupture maps, creeping zone width from surveys of slowly shifting monuments along faults and satellite observations, the locations of earthquake aftershocks, low velocity damage zone ...

Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map. An aftershock ... along the portion of a fault that slipped at the ...

LOS ANGELES — Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults — some so infamous that their names are burned into the state's ...