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The Big Buttes of the Eastern Snake River Plain

Big Southern Butte is one of the largest rhyolite domes in the world. Along with its neighboring siblings, it stands in sharp contrast to the sea of...

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Lidar data shed new light on “hidden” geological hazards near the northern entrance of Yellowstone National Park

Lidar data have just been released, for the first time, for Paradise Valley and the northern gateway corridor to Yellowstone National Park. These high...

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The Mystery of Flagg Ranch, OR, the case of the unknown ignimbrite

Near the south boundary of Yellowstone National Park is a curious ash flow deposit of unknown origin. Geologists from Montana State University took on...

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Yellowstone’s Spectacular Spring: The Story of Grand Prismatic and the Little Dipper

Grand Prismatic Spring is one of the most visited sites in Yellowstone National Park.  The feature has amazing story to tell about extreme lifeforms...

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Living with active volcanoes in the back yard of the Naples metropolitan area in Italy

Italy is home to numerous volcanoes and a long history of eruptions that are recorded both in the geologic record and by human observers. Some of...

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Ferdinand Hayden and the Founding of Yellowstone National Park

Geologist Ferdinand Hayden directed the first scientific exploration of Yellowstone in 1871, leading directly to the founding of the world’s first...

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Lotta lava! New insights into the timing of Yellowstone’s most recent rhyolite eruptions

New age data for rhyolite lava flows erupted in Yellowstone caldera suggest that the eruptions occurred in tight clusters. These results change the...

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A deformation update for Yellowstone caldera—October 2023 edition

Since 2015, Yellowstone caldera has been subsiding at a rate of about 2–3 cm (roughly 1 in) per year. But the deformation changes seasonally due to...

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Indigenous people were never “afraid” of Yellowstone

A long-told myth about Yellowstone is that indigenous people were “afraid” of the area owing to the geysers and thermal activity. But archeological...

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Thermal kames: The unique glacial hills of Yellowstone’s geyser basins

Every heard of a thermal kame? If not, you’re hardly alone. It’s a rare landform that provides evidence of glaciers interacting with hydrothermal...

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Here’s how we know outliers in GPS data aren’t real ground movement

What causes outliers in GPS data? Could be snow, could be a bird, or could be damaged equipment. Recognizing these outliers is important to properly...

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Using high-resolution commercial satellite images to help map and monitor Yellowstone’s thermal areas

Thanks to a newly funded project from NASA’s Commercial SmallSat Data Scientific Analysis Program, and an agreement with commercial satellite...

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