A national news article suggesting that everything in Oregon west of Interstate-5 "would be toast" in a major Cascadia Subduction Zone earthquake certainly drew attention to the seismic reality facing the Pacific Northwest.
Jul 24, 2015 in Earth Sciences
Two hundred and fifty million years ago, all the major continents were joined together, forming a continent called Pangea (which means "all land" in Greek). The plate thickness of continents can now be measured using seismology, ...
Jul 30, 2015 in Earth Sciences