What Have Scientists Learned Since Mount St. Helens Erupted?
ScienceDaily (Dec. 13, 2004) PORTLAND, Ore. December 8, 2004 — When Mount St. Helen’s blew its top in 1980, Charlie Crisafulli was 22 years old and just beginning his career as a research ecologist. One of his first assignments: travel to Mount St. Helens 2 months after the historic eruption and study the aftermath.