What was the time of the eruption on May 18, 1980?

rocky Sheehan

Dear Sheehan,

The climatic eruption began at 08:32 PDT on May 18, 1980.

Steve Mattox, University of North Dakota

Source of Information: Christiansen, R.L., and Peterson, D.W., 1981, Chronology of the 1980 eruptive activity, in Lipman, P.W., and Mullineaux, D.R., eds., The 1980 eruptions of Mount St. Helens, Washington: U.S. Geological Survey Professional Paper 1250, p. 17-30. 

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