Mount Saint Helens

A Volcanic Mountain

How It Formed

  • Created by the collision of the Juan de Fuca and North American plates
  • Was formed on a convergent boundary

What's happening now

  • Is growing a new lava core in its crater due to the 04-08 eruption

Interesting Facts

  • The last eruption lasted for four years

Pictures of Mount Saint Helens

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Most Recent Eruption

Thursday, Sep. 23rd 2004 at 9pm to Thursday, July 10th 2008 at 11pm

Skamania County, WA, United States


1980 Eruption

Sunday, May 18th 1980 at 8:30am

Skamania County, WA, United States


Drew Verenna

Mod 7/8