PORTLAND, Ore. (KOIN) – January 26 marked the 325th anniversary since the last earthquake struck the Cascadia Subduction Zone. Centuries later, the ancient quake has left clues for scientists to ...

January 26 marked the 325th anniversary since the last earthquake struck the Cascadia Subduction Zone. Centuries later, the ancient quake has left clues for scientists to prepare for the next one.

A silent colossus lurks off the Pacific coast, threatening hundreds of miles of coastline with tsunamis and devastating ...

Along this fraught stretch, called the Cascadia Subduction Zone, two pieces of the Earth’s crust slide against each other, building up stresses capable of unleashing a catastrophic 9.0-magnitude ...

Using underwater mapping techniques, scientists have mapped the Cascadia Subduction Zone - a 600-mile fault line extending ...

Earthquake experts say current building codes don’t reflect the riskiest features of the Seattle area’s geology — but the outlook for survivability looks a lot better if the Really Big ...

The new bridge will be earthquake-ready, so crews are digging a 10-foot-wide, 125-foot-deep hole to see how concrete supports react during a simulated seismic event.

Its eruption won’t trigger a tsunami or a massive land-based earthquake because of its depth and its distance from the region’s megathrust Cascadia fault. But scientists can use the lessons ...

"We're at more than 324 years since the last one." The risk comes from the Cascadia Subduction Zone, which is a fault line that spans approximately 600 miles from southern British Columbia to ...

When enough stress builds, the fault will rupture, releasing a massive amount of energy. The Cascadia Subduction Zone has the potential for these types of earthquakes and has ruptured in the past.

An earthquake rattled the Cascadia fault 325 years ago. Here’s what we know about the massive quake According to the report, tourism’s “strong recovery,” was especially seen in June and ...