Recent seismic imaging off Vancouver Island has revealed something extraordinary: a tear in the subducting oceanic plate ...

A new UW study on the Cascadia Subduction Zone was released in February 2026. The study indicated that a difference between ...

Add Yahoo as a preferred source to see more of our stories on Google. A sign for the San Andreas Fault is seen in Parkfield (Monterey County) in 2019. The fault could rupture following a megaquake in ...

Scientists are warning that the Cascadia Subduction Zone — a 700-mile fault running along the Pacific Coast — could produce a magnitude 9+ earthquake and a resulting mega-tsunami that sends 1,000-foot ...

A new look at the Juan de Fuca tectonic plate beneath the coast of northern Oregon suggests this subducting slab is shallower ...

Add Yahoo as a preferred source to see more of our stories on Google. New research reveals the Cascadia and San Andreas faults may be linked, with quakes on one triggering the other. (CREDIT: ...

Workers check damage to Interstate 880 in Oakland after it collapsed during the Loma Prieta earthquake in October 1989. (Paul Sakuma / Associated Press) They are two of the West Coast's most ...

A new geological study suggests that large earthquakes on the Cascadia Subduction Zone may have triggered major quakes on the northern San Andreas Fault multiple times over the past 3,100 years.

The Carrizo Plain in eastern San Luis Obispo County contains the most strikingly graphic portion of the San Andreas Fault. Sediment cores recovered from the Pacific seafloor suggest that megathrust ...

Insurers and officials warn that low earthquake take-up and high deductibles could leave major losses unfunded when the Big ...

Recent seismic imaging off Vancouver Island has revealed something extraordinary: a tear in the subducting oceanic plate beneath the Cascadia Subduction Zone. The finding briefly raised the public’s ...