Castle Geyser erupts, upper geyser basin of Yellowstone National Park
The Yellowstone Caldera, which formed during a massive volcanic eruption 630,000 years ago, is the centerpiece of our nation’s first national park, founded in 1872. The volcanic story of Yellowstone, however, begins approximately 17 million years ago and will certainly continue long into the geologic future.
Join volcanologist Kirt Kempter on an exploration of the geology of Yellowstone, including the rocks and hydrothermal features that make this national park unique in the world. Google Earth aerial views survey the park’s geology from a birds-eye perspective, augmented by illustrative graphics, maps, and field photos. Look out Cooke City, Montana…the Yellowstone hotspot is coming your way!
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