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Mt S t Helens

Mt S t Helens. Mt St Helens location . Mt St H elens is in south east Washington state . Mt. St. Helens back round . Mt. St. Helens is the tallest mountain in the cascade range. The mountain is 9,677 feet tall . Landslide.

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Mt S t Helens

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  1. Mt St Helens

  2. Mt St Helens location Mt St Helens is in south east Washington state

  3. Mt. St. Helens back round Mt. St. Helens is the tallest mountain in the cascade range. The mountain is 9,677 feet tall

  4. Landslide It started with a landslide just before the volcano erupted the lade slide moved 3.7 billion cubic yards of dirt.

  5. The VOLCANO AWAKENS March 16 - May 17 1980 It started with many small earthquakes. lave started to flow out and create a 450 foot bulge. Then one big 5.1 scale earthquake

  6. May 18,1980 On this day Mt St Helens explodes sending a 15 mile cloud of ash into the air.

  7. The cloud of ash caused complete darkness in Spokane, Washington, 250 miles from the volcano. Video

  8. Prevention The only warning is if there is a lot of small earthquakes. Earthquakes disrupt the earth making it explode when under pressure.

  9. Work sited http://pubs.usgs.gov/fs/2000/fs036-00/ http://en.wikipedia.org/wiki/Mount_St._Helens http://www.jwoolfden.com/cascades5.html http://www.billnye.com/mt-st-helens-this-week/ http://amazingdata.com/the-scale-of-destruction/ http://www.wired.com/video/mount-st-helens-eruption-may-18-1980/86373985001

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