Originally published Monday, October 26, 2009 at 8:38 AM
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Study links 3 Washington volcanoes to same magma
A scientific study found evidence that three Washington volcanoes might share the same magma pool.
The Associated Press
A scientific study found evidence that three Washington volcanoes might share the same magma pool.
The study published in the magazine Nature Geoscience says Mount St. Helens, Mount Adams and Mount Rainier could tap the same molten rock up to 20 miles underground.
Other scientists dispute the study and say there is no surface evidence of a giant magma body under the south Washington Cascades.
The two-year study that began in 2006 was conducted by scientists from New Zealand and Australia measuring the electrical conductivity of underground geologic layers. One of the authors, Matt Burgess says it indicates what's going on underground.
Most scientists believe each volcano is fed by a smaller separate magma chamber.
(with information from The Seattle Times, Tacoma News Tribune)
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