OPB’s critical reporting and inspiring programs are made possible by the power of member support.

Portland is in the Cascadia Subduction Zone which hasn't produced an earthquake since 1700, but scientists say there's a 37% chance a major earthquake could rock the region within the next 50 years.

Some seven years after shelving its last attempt, the City of Long Beach is again showing interest in erecting a tower that ...

The fracture zone is the spreading of the Juan de Fuca ridge, pushing apart the Pacific and Juan de Fuca plates. The Cascadia subduction zone runs just off the Oregon and Washington Coastline and ...

No damage was reported. Washington state emergency management officials posted on social media that while it can be scary to see a 6.0 magnitude quake happening near the Cascadia Subduction Zone, the ...

Washington state emergency management officials posted on social media that while it can be scary to see a 6.0 magnitude quake happening near the Cascadia Subduction Zone, the one Wednesday was in ...

Washington state emergency management officials posted on social media that while it can be scary to see a 6.0 magnitude quake happening near the Cascadia Subduction Zone, the one Wednesday was in ...

to run through disaster scenarios in preparation for the days following a Cascadia Subduction Zone earthquake. According to geologists, such an earthquake is overdue in the Pacific Northwest ...