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Originally Posted by Gillianren
I went to college here in Olympia, at the scenic Evergreen State College. I was in our poorly-designed dorms when the Nisqually quake hit.
since then, I've become very, very good at explaining plate tectonics to out-of-state students, especially ones from (in the case of one of my friends) Minnesota. unfortunately, I can't deliver the speech to full effect here, because I use my hands to symbolize the plates.
long story short, the Juan de Fuca plate is slowly disappearing under the North American plate. my geology teacher seemed pretty sure it would never completely go under, but that's what's causing the majority of seismic activity around here.
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Yeah... And a lot of the lighter elements that have been subducted have risen through the upper mantle and continental crust to form the Cascade range. It's one of the really cool natural laboratories of the world.
I'd love to see the full lecture with the hands and everything. Living through something like that to generate a healthy respect for nature and lots of interest in how it works.