United States · Field notes

Washington

Three details to notice, with the sources behind each story.

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geography

A volcano blasts sideways

When the north side of Washington’s Mount St. Helens collapsed in 1980, it suddenly released pressure inside the volcano. A devastating blast shot sideways across the landscape, as well as material erupting upward.

Source: US Geological Survey: 1980 eruption · Accessed 2026-09-22

Gray volcanic rocks and steep crater walls beside snow and ice on Mount St. Helens.
Inside the crater of Mount St. Helens, with its later-formed glacier.
brewbooks from near Seattle, USA / Wikimedia Commons / CC BY-SA 2.0. Resized and converted to WebP; no cropping. · CC BY-SA 2.0