Lassen Peak Is Sinking, and Volcanologists Don't Know Why

The Lassen Peak last erupted in 1915, when Lassen Peak had its small but historically significant blast. After 100+ years, you might not expect that much is currently changing in the area. But data presented in a new paper by Amy Parker and others in the Journal of Volcanology and Geothermal Research shows that since the mid-1990s, the whole area has sunk!

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