Mount Rainier monitored closely as scientists keep watch for signs of volcanic activity

Описание: For many, the word “eruption” brings to mind 1980 when Mount Saint Helens demonstrated that the Washington Cascades are one of the most volcanically active parts of the country.

Mount Saint Helens, Mount Adams, Mount Baker, and Glacier Peak are four of the active volcanoes in Washington state. The fifth, located less than 70 miles from Seattle, is Mount Rainier.

Alex Iezzi, a research geophysicist with the U.S. Geological Survey, and her team with the USGS Cascades Volcano Observatory monitor the Cascades daily. Their infrasound and seismic sensors detect cracks and movement from below as magma is forced upward. Gas sensors signal changes in volcanic fumes, and GPS sensors monitor and measure ground deformation.

With researchers monitoring Mount Rainier so closely, Iezzi said if a big eruption were to occur, it’s likely "we would be able to see it for months in advance.”
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