A swarm of at least a dozen earthquakes reaching up to magnitude 3.9 rattled San Ramon near San Francisco, the U.S.

Two of the biggest fault lines in the world are synched together in a way that could lead to disastrous consequences, according to recent scientific analysis. This synchronization raises alarms ...

For more than a month, the San Francisco Bay Area has been subjected to a seemingly ceaseless stampede of earthquakes — the ...

More than 300 earthquakes have rattled the San Ramon area since November. The largest earthquakes in the sequence struck in ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...

SAN FRANCISCO (KRON) — Thursday’s 3.1 magnitude earthquake was the latest of five notable aftershocks to hit Berkeley since a 4.3 magnitude earthquake rattled the college town on Sept. 22. A ...

The threat of a 9.0-magnitude earthquake along the Cascadia Subduction Zone has hung over the Pacific Northwest for decades. Seismologists and emergency managers say “The Big One” could be one of ...

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in ...

We all know the San Andreas Fault is out there. Californians first learn about the looming underground threat during childhood earthquake drills and geology lessons, before growing into anxious adults ...