The Cascadia fault system, which sits about 100 miles off shore, runs from California to Vancouver. The subduction zone is believed to have caused a 9.0 earthquake in 1700, the largest known quake ...

A fault system running nearly 70 miles along the coast of Los Angeles and Orange counties has the potential to trigger a magnitude 7.8 earthquake, according to a new study that is the latest to ...

Fault along L.A., O.C. coast could unleash huge earthquake on scale of San Andreas, study shows. An aerial view of the Palos Verdes Peninsula. (Allen J. Schaben / Los Angeles Times) ...

California's San Andreas Fault is capable of triggering a massive earthquake. Here's what to know about this famous location ...

The potential danger of two fault lines off the coast of Southern California has long been known. But a new study shows there is more reason to be scared than previously suspected.

Not the well know Andreas fault, this fault is part of a larger seismic zone that experts fear and believe more people should know about. Lesser-known West Coast fault zone draws attention after 5 ...

A fault zone off the Santa Monica coast could result in a larger, higher magnitude earthquake than previously thought according to a new study. Instead of a 7.4 magnitude earthquake, which is ...

Two slow-motion earthquakes took several weeks to travel 20 miles along the fault. Each happened in places where geologic ...

LOS ANGELES, CA — A series of four earthquakes — the strongest of which was a magnitude 3.4 — struck off the Los Angeles County coast over the weekend. Sunday's maritime earthquakes were ...

The Blanco Transform Fault Zone off Oregon's coast is famously active, and it has not disappointed in the past 24 hours, generating at least 50 earthquakes, including two at a 5.8 magnitude. That ...

LOS ANGELES — A fault system running nearly 70 miles along the coast of Los Angeles and Orange counties has the potential to trigger a magnitude 7.8 earthquake, according to a new study that is ...