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Volcano Watch — Quantifying corrosion downwind of Kīlauea

Volcano Watch — Quantifying corrosion downwind of Kīlauea

In December 2022, a team of scientists from Aotearoa New Zealand teamed up with scientists from the USGS Hawaiian Volcano Observatory (HVO) to carry...

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A brief history of YVO webcams

A brief history of YVO webcams

To mark the demise of the webcam that provided views of Yellowstone Lake since 2017, let’s take a look back the history of YVO webcams in Yellowstone...

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Volcano Watch — ʻAilāʻau or Kualoloa? Hawaiian chants suggest lava flow name change

Volcano Watch — ʻAilāʻau or Kualoloa? Hawaiian chants suggest lava flow name change

Native Hawaiian oral traditions record a rich history of the changing volcanic landscape in Hawaiʻi. Interweaving cultural knowledge with scientific...

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Benchmarking benchmarks

Benchmarking benchmarks

At the tops of many mountains and along numerous roads across the USA are small brass disks called benchmarks.  These survey points are critical for...

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So, when will the next eruption at Yellowstone happen?

So, when will the next eruption at Yellowstone happen?

Geologists from the Yellowstone Volcano Observatory are often asked to estimate how likely future eruptions are at Yellowstone, but it’s no walk in...

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Updated USGS Publication, "Eruptions of Hawaiian Volcanoes—Past, Present, and Future"

Updated USGS Publication, "Eruptions of Hawaiian Volcanoes—Past, Present, and Future"

In this third edition of "Eruptions of Hawaiian Volcanoes—Past, Present, and Future," we include information about Kīlauea’s 2018 eruption in the...

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Volcano Watch — Tilting towards lava: How tiltmeters monitor volcano activity

Volcano Watch — Tilting towards lava: How tiltmeters monitor volcano activity

Over the past century, technological advancements have vastly improved volcano monitoring. One key innovation was the introduction of modern borehole...

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West Thumb Geyser Basin: Diverse and Exceptional Hot Springs, Mud Pots, Geysers, and Hydrothermal Explosions

West Thumb Geyser Basin: Diverse and Exceptional Hot Springs, Mud Pots, Geysers, and Hydrothermal Explosions

Although not as famous as Old Faithful Geyser or Grand Prismatic Spring, the features of West Thumb Geyser Basin are some of the most varied and...

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The receding waters of Nuphar Lake, near Norris Geyser Basin

The receding waters of Nuphar Lake, near Norris Geyser Basin

At the beginning of 2024, the water level at Nuphar Lake, near Norris Geyser Basin was on the rise. By the end of that summer, however, the water has...

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Cosmic clocks help to keep time in Yellowstone

Cosmic clocks help to keep time in Yellowstone

Geologists can use cosmic rays from outer space to piece together the timing of past geologic events, like volcanic eruptions and glaciations. But how...

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Forthcoming satellite data will provide a better picture of Yellowstone

Forthcoming satellite data will provide a better picture of Yellowstone

A new satellite is set to launch in a few months and could provide new views of how the ground moves at Yellowstone. But the data will need to be...

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Volcano Watch — First light (and flight) for HVO’s new airborne lidar system

Volcano Watch — First light (and flight) for HVO’s new airborne lidar system

Topographic mapping has been a key component of volcano monitoring for decades, helping scientists to study morphologic changes and predict the paths...

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