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Making Sense of Mount St. Helens

Seismographs never flatline. But the six that monitor Mount St. Helens (MSH) National Volcanic Monument were calm enough on 18 May, registering only the routine burps and jitters of geosurveillance and a temporarily placid crater. It was the 30th anniversary of the eruption, and if the geology was stilled, there was plenty of other activity. Dozens of cars wound their way upslope to the Johnston Ridge visitor center for the occasion, carrying survivors, relatives of victims, aging Boy Scouts whose camps disappeared in the blast zone, congressional staffers, and scientists, among others. Kids jumped hard on the floor next to the demonstration seismometer, joined at one point by a crew of tattooed bikers who moved the needles more emphatically. Everyone tried to glimpse the great St. Helens crater, almost too big for the picture windows and shrouded much of the time under intractable fog. For science, some features of the mountain’s ecosystem also remain outsize and obscure, despite hundreds of studies and findings that have been called “paradigm shifting.” About 50 projects are currently active, in what one administrator says is “a tremendous resurgence. One would have to characterize research at Mount St. Helens as vibrant.” The eruption in 1980 resulted in “a grand experiment that you could never have gotten anybody to fund,” Making Sense of Mount St. Helens