Cascadia is essentially the border between two tectonic plates: the massive North American continent, and the smaller Juan de ...
Laurie Trautman, the head of the Border Policy Research Institute at Western Washington University, said in the last three ...
The temblor occurred at about 5 a.m. and was centered near the Washington-Canada border, about 18 miles ... along the 600-mile-long Cascadia Subduction Zone, was in 1700. Experts say the ...
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