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: June 21, 2021

What causes earthquake swarms at Yellowstone?

Earthquake swarms are common at Yellowstone, but why do they occur?  Are they driven by magma migration?  Water?  Steady creep along faults?  All three are possibilities, and tracking the style of the earthquakes can reveal the causes.

Date published: June 14, 2021

Yellowstone’s unconformity—over 60 million years of missing geologic history!

Visitors to Mammoth Hot Springs in Yellowstone National Park might have noticed an odd geological feature near the top of Mount Everts—an unconformity! This juxtaposition of different rocks serves as a marker of missing history in the Yellowstone region.

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