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: July 26, 2021

“Land of the burning ground”: The history and traditions of Indigenous people in Yellowstone

We sometimes think of Yellowstone as an untouched landscape, but humans have been present in the area for over ten thousand years!  The history and traditions of Indigenous people in Yellowstone are as rich as the landscape itself.

Date published: July 19, 2021

Yellowstone’s sibling in the southern hemisphere: Taupō, New Zealand

Yellowstone is not the only large caldera system in the world.  Indeed, caldera systems can be found all over the planet!  In New Zealand, the Taupō caldera system shares many similarities with Yellowstone—a history of large eruptions, geysers and hot springs, and even earthquake swarms and ground deformation, some of which might be related to magmatic intrusions.

Date published: July 12, 2021

An outlier of Yellowstone's thermal areas: the travertine of Mammoth Hot Springs

Early explorers during the separate Washburn, Hayden, and Hague expeditions of the 1870s were astonished by the massive terraces and pools of hot-spring limestone, better known as travertine, at Mammoth Hot Springs—a chemical oddity that is quite different from other Yellowstone thermal areas.

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