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The Yellowstone Volcano Observatory reviews 2023—the year that was!

The Yellowstone Volcano Observatory reviews 2023—the year that was!

Happy 2024! The start of the year means that it is time once again for our annual look back at geological activity and research that occurred in...

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Over a century of Yellowstone River streamflow measurements at Corwin Springs, MT

Over a century of Yellowstone River streamflow measurements at Corwin Springs, MT

Measuring streamflow is critical for assessing the health and status of river systems. One of the longest continuous records of streamflow is just...

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The challenges of conducting scientific research in Bison Country

The challenges of conducting scientific research in Bison Country

Yellowstone National Park is a tapestry of natural wonders, where geysers erupt in spectacular displays, serene lakes mirror the vast skies, and...

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How Yellowstone thermal features get their names

How Yellowstone thermal features get their names

Naming thermal features in Yellowstone is now a careful and deliberate process with significant opportunities for public input, although it once was...

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The Big Buttes of the Eastern Snake River Plain

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 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

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

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

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

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

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

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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