Yellowstone Volcano Observatory

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The Yellowstone Volcano Observatory (YVO) is a consortium of nine state and federal agencies who provide timely monitoring and hazard assessment of volcanic, hydrothermal, and earthquake activity in the Yellowstone Plateau region. The USGS arm of YVO is also responsible for monitoring and reporting on volcanic activity in the intermountain west U.S. states.

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News

Date published: January 18, 2021

Where do acid-sulfate hot springs come from and why are they important?

Yellowstone hosts thousands of thermal features which have diverse chemistries and origins. The most iconic features, like Old Faithful, are alkaline, and have a slightly neutral pH. Some Yellowstone features, however, can be acidic enough to break down the very rock that hosts them!

Date published: January 11, 2021

Insights into the eruptions of Steamboat Geyser

The tallest active geyser in the world has been erupting at a record pace since March 2018. Why are eruptions so energetic, what influences the intervals between eruptions, and why did Steamboat reactivate in the first place?

Date published: January 4, 2021

The Yellowstone Volcano Observatory year in review—what happened in 2020?

Although 2020 may not have been a great year for many of us, it was a pretty interesting year in Yellowstone.  With this first Yellowstone Caldera Chronicles article of the new year, let’s take the traditional look back at what happened in Yellowstone during the previous 12 months,

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