// Risk Intelligence
| Risk Score | 7 / 10 High |
| Facility Type | ⚓ Port / Marine Terminal |
| Operator / Branch | Port of Portland |
| Host County | Multnomah County OR |
| Nearest City | Washington DC |
| Primary Risk Radius | 10 miles |
| Secondary Risk Radius | 30 miles |
// Strategic Significance
Port of Portland on the Columbia and Willamette Rivers faces compound Cascadia Subduction Zone earthquake Columbia River flooding and volcanic ash risk. The port handles grain exports from Pacific Northwest farms and imported vehicles.
// Civilian Impact Assessment
Portland metro with 2.5 million residents depends on port supply chains. Columbia River flooding in spring snowmelt years impacts port operations. Cascadia earthquake could trigger Columbia River landslide dams upstream.
// Evacuation & Shelter Guidance
I-5, I-205, Marine Drive. Multnomah County Emergency Management coordinates Cascadia earthquake and flooding protocols.