Forty years ago on May 18, 1980, Mount St. Helens in Washington erupted, killing 57 people. It was the most destructive eruption in modern U.S. history. Today on the podcast, we're join by Dr. Robin George Andrews, a volcanologist and science writer. Dr. Andrews shares with us the details of the Mount St. Helens eruption. He also breaks down the science behind how volcanic eruptions occur, and why there is still much to learn about volcanoes.

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