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There's a Man-Made ‘Volcano’ That Erupts Each Summer, Choking Residents With Deadly Smoke

When a volcanic eruption takes place, it spews boiling lava, ash, and gases from deep within the Earth. These eruptions can reshape the area around, destroy infrastructure, and disrupt communities, ...
The Billings Gazette

Using Yellowstone to learn how to take a volcano's temperature

Each mineral in a volcanic deposit is like a microscopic thermometer that records magma chamber temperature over time.