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WHat type of eruption was the eruption in 1980 of Mount St Helens?
A pyroclastic flow. no it doesnt mean that, it means that it was a Plenean Eruption. Thought I'd help you out in case your doing a report like I am at the moment. Thanks! Jordan (11 yrs old)
Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It is 96 miles south of Seattle and 50 miles northeast of...