USA, Wyoming:

Yellowstone's Hotspot Theory Heats Up (ABC Science)

Yellowstone has some of the highest heat flow
measurements in the USA (Courtesy SMU)

A new study may have finally resolved debate on how America's famous Yellowstone supervolcano was formed.

The research conducted by scientists including Professor Ross Griffiths of the Australian National University, shows features associated with Yellowstone were caused by a volcanic hot spot affected by a subduction zone.

Reporting in the journal Nature Geoscience, they suggest a mantle plume originated to the northeast of Yellowstone, and is being sucked southwest into the subduction zone caused by the Pacific plate.

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