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Monday, November 23, 2009

Photo: Quake Swarm Hits Yellowstone; Something Bigger to Come?


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Mist rises on the Yellowstone River in Yellowstone National Park in an undated photo.

A series of small quakes that shook the famous Wyoming park in late December 2008 has some scientists wondering if the swarm will foreshadow a bigger volcanic event.

Photograph by Raymond Gehman