Debris field from Mount St. Helens avalanche of May 1980
View of the remains of the massive avalanche and pumice fall created by the May, 1980 eruption. Stream and wind erosion are gradually carving away at the deposits while forests are gradually reestablishing themselves in many parts of the debris field.
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The URL is: https://gotbooks.miracosta.edu/gonp/sthelens/html/msh612.htm
Last modified: 1/6/2011