Anyone who's lived in the Pacific Northwest for any length of time has likely heard of "The Big One." Friday marked the 324th anniversary of the last Great Cascadia earthquake, an estimated 8.7 to 9.2 ...

BEND, Ore. (KTVZ)-- The recent 7.0 earthquake that struck off the Northern California coast is reminding many residents along the West Coast of the impending 'Big One' expected to hit within the next ...

Far off the Oregon Coast, a restless underwater volcano has been rattling the seafloor with swarms of tiny earthquakes, ...

A submarine volcano 300 miles off the coast of Oregon could erupt for the first time since 2015, spewing “very fluid lava” into the sea where scientists were recently recording more than 1,000 daily ...

A research vessel packed with teams of scientists recently returned from a two-week journey to study an active volcano off the Oregon Coast. The volcano, called Axial Seamount, lies more than a mile ...

An undersea volcano off Oregon’s coast will likely erupt in 2025, scientists say. Known as Axial Seamount, it’s the most active volcano in the Pacific Northwest – though one most people haven’t heard ...

After the 1975 earthquake, there was a greater emphasis on monitoring the motion of the south flank. Hawaiian Volcano Observatory and the University of Hawaiʻi at Mānoa installed continuous GPS ...

An undersea volcano off Oregon’s coast will likely erupt in 2025, scientists say. Known as Axial Seamount, it’s the most active volcano in the Pacific Northwest – though one most people haven’t heard ...