1980 eruption of Mount St. Helens

From Simple English Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Photograph of the eruption column, May 18, 1980.

On May 18, 1980, a major volcanic eruption occurred from Mount St. Helens, a volcano in Washington, in the United States. The eruption was recorded as a 5 on the Volcanic Explosivity Index.[1] Throughout the two months before the eruption, there was a series of earthquakes and steam was vented from the mouth of the volcano. A total of 57 people died in the eruption. Including Harry R. Truman, who ran Spirit Lake, and volcano expert David A. Johnston.

References[change | change source]

  1. Fisher, Richard V.; Heiken, Grant; Hulen, Jeffrey (1998). Volcanoes: Crucibles of Change. Princeton University Press. p. 334. ISBN 0-691-00249-5.