What is 1980 eruption of Mount St. Helens?
[[File:MSH80 eruption mount st helens 05-18-80-dramatic-edit.jpg|thumb|right|alt=|Photograph of the [[eruption column]], May 18, 1980.]] On May 18, 1980, [[Mount St. Helens]] in [[Washington (state)|Washington]] erupted. The eruption was recorded as a 5 on the [[Volcanic Explosivity Index]].<ref>{{cite book| last1 = Fisher| first1 = Richard V.| last2 = Heiken| first2 = Grant| last3 = Hulen| first3 = Jeffrey| title = Volcanoes: Crucibles of Change| url = https://books.google.com/books?id=ZzZeWQ8vTPoC&pg=PA294| year = 1998| publisher = Princeton University Press| isbn = 0-691-00249-5| page = 334 }}</ref> For two months before the eruption, [[earthquake]] trembles and [[steam]] was vented from the mouth of the volcano. 57 people died in the eruption.<ref>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.</ref> ==References== {{reflist}} {{-}} {{multistub|history|US}} [[Category:1980 in the United States]] [[Category:Disasters in the 1980s]] [[Category:Natural disasters in the United States]] [[Category:20th century in Washington (state)]]