Environmental
Which of the following is TRUE about Oregon's seismic hazard zones?
AAll of Oregon is in a low seismic hazard zone
BOregon has significant earthquake risk, particularly from the Cascadia Subduction Zone along the coast✓ Correct
COnly the Portland metro area has seismic hazard zones
DOregon building codes do not address seismic hazards
Explanation
Oregon faces significant seismic risk from the Cascadia Subduction Zone, which runs offshore along the entire Oregon coast and could produce a major earthquake. Both structural damage and tsunami risks are concerns. Oregon building codes incorporate seismic design requirements.
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