With unprecedented clarity, scientists have directly observed a subduction zone—the collision point where one tectonic plate ...

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 ...

(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 ...

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 ...

The Juan de Fuca Plate has been steadily pushing against the Pacific Coast as it slides beneath the North American Plate. But ...

Some of the world’s largest earthquakes and tsunamis have originated from the Cascadia Subduction Zone, a 1,127-kilometer (700-mile) stretch that runs from northern California up to British Columbia.

PORTLAND, Ore. (KATU) — Friday marked the 324th anniversary of the Cascadia earthquake. Doug Toomey with the University of Oregon says about 20 to 30 years ago, geologists along the coast noticed ...

Developing the resilience to withstand a massive earthquake along the Pacific Northwest's Cascadia Subduction Zone is the responsibility of public agencies, private businesses and individuals, and ...

A recent voyage got up close and personal with an underwater fault that could reshape life in the Pacific Northwest. Anne Trehu, a Professor Emeritus who worked at Oregon State University says "There ...