40 Years Ago, Mount St. Helens Blew its Top Off

Mt. St. Helens in May, 2020, in an image from the Operational Land Imager (OLI) on LandSat8. Image Credit: Joshua Stevens, Robert Simmon, and Jesse Allen, using Landsat data from the U.S. Geological Survey.

One day, my Grade Nine science class got way more interesting.

Suddenly, volcanoes weren’t just something in textbooks. Though I was in neighbouring British Columbia when Mt. St. Helens erupted, there was still a layer of ash on our cars and everything else. For a teenager with a burgeoning interest in science, it was awesome.

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