The next great earthquake isn't the only threat to the Pacific Northwest. A powerful earthquake, combined with rising sea ...

Map shows the Cascadia Subduction Zone along the Pacific Northwest coast ... pieces of the upper mantle are rising and modulating earthquake activity. Disclaimer: AAAS and EurekAlert!

A new study mapping the Cascadia Subduction Zone is giving scientists clues about the state of the fault line as the Pacific ...

Geologist Robert Yeats, author of 'Earthquake Time Bombs', has highlighted the risks associated with the presence of several large US cities in the Pacific Northwest's Cascadia subduction zone.

PORTLAND, Ore. (KOIN) – With a massive Cascadia Subduction Zone earthquake looming in the Pacific Northwest, Oregon lawmakers are considering a bill to help build an earthquake-ready Columbia ...