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

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Presentation on theme: "Mt St Helens. Mt St Helens location Mt St Helens is in south east Washington state."— Presentation transcript:

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 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 helens-eruption-may /


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