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Category: Cascades

First hand accounts of Mount St. Helens’ 1980 eruption

First hand accounts of Mount St. Helens’ 1980 eruption

Author’s Note: This part of a weekly series on geology for a class I am taking this semester at BYU-Idaho. This week’s prompt required students to interview somebody who had firsthand experience with a volcano. I interviewed my grandparents, who lived in Kennewick, Wash. when Mount St. Helens erupted in 1980. Other posts from this assignment can be found under the “Geology 111” category.  Mount St. Helens famously erupted immediately after an earthquake caused the north side of the mountain…

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Earthquakes in the Cascadia Subduction Zone

Earthquakes in the Cascadia Subduction Zone

Author’s Note: This part of a weekly series on geology for a class I am taking this semester at BYU-Idaho. This week’s prompt required students to find a news article, post it on our blogs and explain how plate tectonics played a role in the situation. Other posts from this assignment can be found under the “Geology 111” category. Featured image: Damage and flooding in Sendai, Japan as a result of the 2011 Japan earthquake. (Source: U.S. Navy) The article…

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