What will it take for Oregon to recover after a magnitude 9.0 Cascadia subduction zone earthquake? Among other things, it will need a major airport to receive the tons of relief supplies from around the world. Prof. Armin Stuedlein and a research team from Oregon State University conducted crucial testing that guided engineers with big plans to make sure one of the runways at Portland International Airport survives the shaking.
https://engineering.oregonstate.edu/season-11-engineering-natural-hazard-impacts/saving-pdx-s11e5