In the face of a looming Cascadia earthquake, an Oregonian/OregonLive investigation into the structural integrity of Portland-area schools revealed that years after initial warnings, many students ...

After significant pressure from parents worried about their children’s safety in the event of a catastrophic earthquake, staff at Portland Public Schools are floating a new draft of the formula they ...

If and when a Cascadia Subduction Zone earthquake hits the Portland region, soil liquefaction could dramatically worsen the damage, leading buildings to tilt, roads to buckle and utility lines to ...

They are two of the West Coast’s most destructive generators of huge earthquakes: The San Andreas fault in California and the Cascadia subduction zone offshore of California’s North Coast, Oregon, ...