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: October 26, 2020

Going for a swim…at Old Faithful???

A swimming pool?  At Old Faithful?  Sounds crazy, but for nearly 40 years in the first half of the 20th century there was a geyser-heated bathhouse right next to the most iconic geyser in the world!

Date published: October 19, 2020

Yellowstone's tool-making lava flows

Yellowstone has a lot to offer visitors, from its world-famous hydrothermal features to its vast array of wildlife and breath-taking scenery. Yellowstone has also provided humans with another important resource for the last 11,000 years or more—obsidian.

Date published: October 12, 2020

A time when Old Faithful wasn’t so faithful

Old Faithful Geyser got its unique name in the 19th century because its eruptions were so regular and predictable. But during parts of the 13th and 14th centuries, the geyser did not erupt at all.

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