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 ...

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.

Crews are finishing up digging a 125-foot hole to install a test foundation that they'll use to test the earthquake-resistant ...

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.

Cascadia subduction zone awareness had climbed to 62%. In 2023, the Cascadia Region Earthquake Science Center (CRESCENT) was established by a $15 million grant from the National Science Foundation.

This is called the Cascadia Subduction Zone. According to the Washington State Department of Natural Resources (DNR), earthquakes happen in Washington every day, but most are too small to be felt.

A 4.2 magnitude earthquake struck about 143 miles southwest of Tofino, B.C., at around 5:53 a.m. A second 3.0 magnitude earthquake struck the same general area, directly west of Washington's Olympic ...

Oregon's OEM advises residents on earthquake preparedness, encouraging safety measures like securing homes and practicing ...

According to scientists, at any moment, the Pacific Northwest could experience a Cascadia subduction zone earthquake registering in the high 8 and even 9 range, frequently referred to as “the ...