1980 eruption of Mount St. Helens

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On May 18, 1980, Mount St. Helens in Washington erupted. The eruption was recorded as a 5 on the Volcanic Explosivity Index.^[1]

For two months before the eruption, earthquake trembles and steam was vented from the mouth of the volcano. 57 people died in the eruption.^[2]

References

↑ Fisher, Richard V.; Heiken, Grant; Hulen, Jeffrey (1998). Volcanoes: Crucibles of Change. Princeton University Press. p. 334. ISBN 0-691-00249-5.
↑ Those who lost their lives because of the May 18, 1980 eruption of Mount St. Helens. KGW news. Archived from the original (PDF) on March 26, 2009.

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

[2] Those who lost their lives because of the May 18, 1980 eruption of Mount St. Helens. KGW news. Archived from the original (PDF) on March 26, 2009.

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