The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

A magnitude 8.8 earthquake that struck near Russia's Kamchatka Peninsula has placed the entire West Coast of the United ...

A fault line that could unleash a major earthquake is not where scientists thought it was. New research found the Concord Fault is about a quarter mile west of where it was originally mapped. It runs ...

A 3.2-magnitude earthquake was reported in Concord on Friday afternoon, according to the U.S. Geological Survey. The quake was reported at 12:11 p.m. and was centered just south of Cowell Road and ...

The Concord Fault can produce earthquakes of 6.7 magnitude or higher, according to the U.S. Geological Survey. A magnitude 5.4 quake on the fault caused widespread damage across the Bay Area in 1955.