3.27.2007

Geologist: St. Helens an 'open system'



Geologist: St. Helens an 'open system'

Excerpt:

VANCOUVER, Wash. - Mount St. Helens may be following the example of Kilauea in Hawaii with magma being replaced from a reservoir beneath the volcano as fast as it emerges as lava at the surface, scientists say.

While the two volcanoes are different in many respects, St. Helens appears to have become an "open system" as its domebuilding eruption that began in the fall of 2004 continues at a pace that has been unchanged for the past year, said Daniel Dzurisin, a geologist at the U.S. Geological Survey's Cascades Volcano Observatory.



Wiki: Mount St. Helens


Wiki: 1980 eruption of Mount St. Helens

Comment: The Peet family visited the site in June 1994.

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