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

They are two of the West Coast's most destructive generators of huge quakes: the San Andreas fault and the Cascadia ...

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

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

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

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.

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

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 ...

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

The last week has seen earthquakes in the usual places and some in areas not often as active. There were earthquakes on the Mendocino fault, an interesting sequence in the northern Gorda plate, and an ...

Last week, a plot of land in North Portland felt a shake, but not one caused by an earthquake, but instead by a machine known as T-Rex. Researchers with Portland State University were simulating a ...