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Pushing the boundaries: Montana State University updates Yellowstone’s geologic map

Pushing the boundaries: Montana State University updates Yellowstone’s geologic map

What better way to celebrate the upcoming 150th anniversary of Yellowstone National Park than with an updated geologic map? Scientists and students...

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Volcano Watch — Underneath Kīlauea’s new landscape, the magma plumbing keeps working

Volcano Watch — Underneath Kīlauea’s new landscape, the magma plumbing keeps working

Last week, Hawai‘i Volcanoes National Park was able to open the Kīlauea Overlook to the public for the first time since the lower East Rift Zone...

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The story of a Yellowstone icon: Old Faithful Geyser

The story of a Yellowstone icon: Old Faithful Geyser

Old Faithful is the most famous geyser in the world, but who named the iconic feature?  And how does the current frequency of its eruptions compare to...

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Volcano Watch — Geodesy through time: a history of measuring the shape of Hawaiian volcanoes

Volcano Watch — Geodesy through time: a history of measuring the shape of Hawaiian volcanoes

Geodesy is the science of accurately measuring and understanding the Earth's geometric shape, gravity field, and orientation in space—and how these...

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Photo and Video Chronology - Kīlauea - August 25, 2020

Photo and Video Chronology - Kīlauea - August 25, 2020

 

No significant changes at Kīlauea's summit water lake

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From Observations to Insights—How Scientists Use Models to Study What’s Going on Under the Grizzlies’ Feet

From Observations to Insights—How Scientists Use Models to Study What’s Going on Under the Grizzlies’ Feet

Scientists of all disciplines talk about models—models of how a virus works, or the universe formed, or the structure of an atom.  Models can also...

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Volcano Watch — Doppler radar in Ka‘ū: more than a weather radar

Volcano Watch — Doppler radar in Ka‘ū: more than a weather radar

Driving Highway 11 from Volcano to Wai‘ōhinu on sunny, vog-free days, it's hard to miss that bright white soccer ball on the slope of Mauna Loa above...

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Why do most geyser- and sinter-producing hot springs have alkaline (basic) pH?

Why do most geyser- and sinter-producing hot springs have alkaline (basic) pH?

It’s a common misconception that all geysers and hot springs in Yellowstone are acidic.  Some are, but the water that comes out of many of Yellowstone...

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Volcano Watch — Water was in Kīlauea caldera before the 2018 summit collapse

Volcano Watch — Water was in Kīlauea caldera before the 2018 summit collapse

On July 4, 2018, an observer at the Volcano House Hotel was watching the evolving collapse of Halema‘uma‘u Crater, 4 km (2.5 miles) away. Suddenly he...

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Tree rings record spikes in magmatic CO2 emissions at Yellowstone

Tree rings record spikes in magmatic CO2 emissions at Yellowstone

Volcanologists have a variety of ways of measuring present-day gas emissions from volcanoes.  But what about gas emissions that happened in years past...

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Low lake water, dry conditions in Newberry caldera the cause of increased sulfur smells?

Low lake water, dry conditions in Newberry caldera the cause of increased sulfur smells?

Field crews set up temporary gas monitoring sensors and sample hot springs and seeps, soils, and areas where sulfur smells were reported. Preliminary...

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Photo and Video Chronology - Kīlauea - August 7, 2020

Photo and Video Chronology - Kīlauea - August 7, 2020

 

Rainbow over Halema‘uma‘u and the water lake

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