The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San ...

Scientists from Oregon State University studying sediment layers in the Pacific Ocean have discovered that two of the most ...

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could cause the San Andreas fault in California to go off.

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

Scientists at Oregon State University say there's new evidence that two of the best-known earthquake fault lines on the West Coast are in sync and that has the potential for a major disaster. One of ...

A megaquake in the Pacific Northwest could trigger a large earthquake along California's San Andreas Fault, creating an ...

One of the most consequential moments in California’s drive to beat back climate change will take place next month. The state ...

When the tectonic subduction zone beneath the Pacific Northwest moves, it does so in dramatic fashion. Not only is ground ...

Here are 10 takeaways from The Oregonian/OregonLive’s four-part series on school seismic safety in the Portland area.

The community-owned electric utility, Central Lincoln PUD, is ready to break ground on a new headquarters in Newport. The facility will be designed to withstand a major earthquake. The current ...

At least seven earthquakes have rattled the coast of Alaska in the last 24 hours, according to the United States Geological Survey (USGS). The quakes range in magnitude from 2.5 up to 5.2 and stretch ...