The Cascadia Subduction Zone, which is a 600-mile-wide fault system extending from Northern California to Vancouver Island, Canada, is the epicenter of a potentially disastrous seismic event. A ...

PORTLAND, Ore. (KOIN) – A new study mapping the Cascadia Subduction Zone is giving scientists clues about the state of the fault line as the Pacific Northwest awaits a potentially catastrophic ...

On Jan. 26, 1700, one of the largest earthquakes in human history struck off the West Coast of the United States, causing a tsunami and significant changes to the coastline from southern British ...

SEATTLE — The threat of an earthquake at any given moment in Washington, Oregon, and Idaho is real. Right below our feet is the meeting place of multiple tectonic plates, slowly moving and pushing ...

Jessica DePaolis (second from left) and the team of researchers studied and compared sedimentary core samples in Montague Island, Alaska, and found evidence that four of the past eight earthquakes ...

(a) Geological units and earthquake distribution of an oceanic subduction zone. The orange shadow beneath the volcanic arc represents partially molten areas and magma channels. (b) Thermal structure ...

The river level near Estacada crested at 26.25 feet early Friday morning, surpassing the previous third-highest record set in 1972. Driver hits and kills man in Woodburn Officers were called to Tierra ...

Our planet's lithosphere is broken into several tectonic plates. Their configuration is ever-shifting, as supercontinents are assembled and broken up, and oceans form, grow, and then start to close in ...