On the morning of June 21, visitors at Grand Prismatic Spring in Yellowstone National Park observed a bison slip into a ...

Discover the top 10 largest national parks in the U.S., dominated by Alaska's vast wilderness. Explore their unique ...

Yellowstone National Park has a new plan for dealing with geologic hazards like thermal explosions and earthquakes for the ...

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Still, geological changes in Yellowstone draw interest because the park overlies a volcano that was responsible for powerful eruptions in the distant past. The volcano has had no lava eruption for ...

– Yellowstone volcano super-eruptions appear to involve multiple explosive events "We have a much lower concentration of magma in these pore spaces, so a lot fewer of the pore spaces are filled ...

Yellowstone is dubbed a "supervolcano" — one with a volcanic center having an "eruption of magnitude 8 on the Volcano Explosivity Index" — and it has erupted three times in 2.1 million years ...

A recent update on the U.S. Geological Survey (USGS) website offers new insights into the timing of a potential eruption of Yellowstone's supervolcano —one of the world's largest active volcanoes.

A volcano notice from the USGS says these kinds of explosions are “relatively common in Yellowstone.” This isn’t even the first such explosion for Biscuit Basin; a similar explosion occurred ...