Yellowstone

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Old Faithful Geyser in August of 1997.

Yellowstone National Park rests in a huge caldera. It has been the location of three very large eruptions in the last two million years. The volume of lava erupted from the Yellowstone caldera during these events makes the 1980 eruption of Mt. St. Helens look extremely small. Because of this, Yellowstone is considered to be one of the most dangerous volcanoes in the United States.

Yellowstone in the News 

Discovery Channel

National Geographic 

Yellowstone National Park

Under Yellowstone 

Interesting Links

Recent Earthquakes in the Intermountain West

Earthquake Activity in the Yellowstone National Park Area

Geodynamics of the Yellowstone Hotspot

Yellowstone Volcano Observatory (USGS) 

Geothermal Biology and Geochemistry in Yellowstone National Park