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: August 3, 2020

The geology of a Yellowstone jewel: Hayden Valley

Hayden Valley is a gorgeous expanse of grassland and meadows located right in the center of Yellowstone National Park.  It is a haven for wildlife and a popular spot for viewing some of Yellowstone’s most iconic animals.  But why does this meadow exist in the midst of what is otherwise a high-altitude forest of lodgepole pine trees?  The area’s geology holds the key

Date published: July 27, 2020

Photography and 3-dimensional data help to better understand Yellowstone National Park’s thermal features

Yellowstone’s thermal features, like geysers and mud pots, are delicate and dangerous. So how can scientists get a close-up view of these structures to monitor their changes through time? It turns out that photography holds the key. In fact, with a series of well-aimed and calibrated photos, it is possible to construct three-dimensional models of Yellowstone’s most famous geyser cones!

Date published: July 20, 2020

How old are Yellowstone's large geysers? We don't exactly know!

It seems like a simple question: how old is a geyser?  We know that all of Yellowstone’s current geysers formed after the last glaciers scoured the land surface about 15,000 years ago.  But what happened since that time?

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