1980 Eruptions
Growth of a Volcanic Dome

There were many aspects to the recent eruptions of Mount St. Helens. One that has not been thoroughly examined is the environment during the growth of a series of volcanic domes.

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June 1980

December 1980

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March 1981

March 1981

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It was an alien environment. Changes happened within a few days, sometimes within minutes. And there was the constant contrast between the general cold environment, whether summer or winter, and the intense heat radiated through cracks in the dome.

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