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Volcano Watch — HVO's Mission Depends on Reliable and Secure IT Solutions

Volcano Watch — HVO's Mission Depends on Reliable and Secure IT Solutions

The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring and studying one of the most active volcanic regions in the world. The...

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Is Yellowstone overrated? As a disaster movie subject, maybe…

Is Yellowstone overrated? As a disaster movie subject, maybe…

Many people regard Yellowstone as an exceptional place that merits only positive superlatives. But in much of the broadcast, streaming, and popular...

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Photo and Video Chronology — Annual Mauna Loa GPS campaign underway

Photo and Video Chronology — Annual Mauna Loa GPS campaign underway

HVO staff are conducting the annual Mauna Loa GPS campaign. During the survey, GPS instruments are deployed at established benchmarks so that their...

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Volcano Watch — A fresh look at Kīlauea’s 1924 explosive deposits

Volcano Watch — A fresh look at Kīlauea’s 1924 explosive deposits

Last week’s “Volcano Watch” summarized Kīlauea’s explosive eruptions of 1924 and their impacts on communities. This week, we dig a little deeper and...

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Gas emissions and temperatures measured at the new Tern Lake thermal area

Gas emissions and temperatures measured at the new Tern Lake thermal area

A team of scientists visited the new thermal area near Tern Lake to sample gases and measure temperatures.  The results of their work provide a...

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Volcano Watch — The blast of the century at Kīlauea

Volcano Watch — The blast of the century at Kīlauea

Kīlauea began erupting explosively 100 years ago this week, for the first time in nearly a century. The eruption lasted for about 17 days, killing one...

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Unpacking the legacy of water chemistry research in Yellowstone National Park, 1883–present

Unpacking the legacy of water chemistry research in Yellowstone National Park, 1883–present

The record of water chemistry data in Yellowstone predates the development of the pH (acidity) scale!  These data are a testament to numerous...

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Changes since 2018—Kīlauea summit caldera collapse and refilling

Changes since 2018—Kīlauea summit caldera collapse and refilling

In 2018, a large eruption from the lower East Rift Zone of Kīlauea partially drained the summit magma reservoir, which caused portions of the...

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Volcano Watch — What’s shaking at the summit of Kīlauea?

Volcano Watch — What’s shaking at the summit of Kīlauea?

This past week, earthquakes and inflation near Kīlauea’s summit prompted temporary closures within Hawaiʻi Volcanoes National Park. What is happening...

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Thermal infrared remote sensing at Yellowstone 301: Thermal metrics

Thermal infrared remote sensing at Yellowstone 301: Thermal metrics

Is Yellowstone heating up, or cooling down?  How much heat is radiating away from the surface in Yellowstone’s thermal areas, and how does it change...

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Photo and Video Chronology — Webcam upgrades on the Southwest Rift Zone of Mauna Loa

Photo and Video Chronology — Webcam upgrades on the Southwest Rift Zone of Mauna Loa

On April 24, HVO staff installed a new webcam and upgraded an existing webcam on the Southwest Rift Zone of Mauna Loa. 

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Hydrothermal deposits record climate changes in Yellowstone

Hydrothermal deposits record climate changes in Yellowstone

Have you ever wondered if Yellowstone’s hydrothermal system is affected by the amount of precipitation or the annual temperature? It turns out that...

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