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Tectonic movement in the ocean or sfs sea-floor spreading, caused it
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Related Questions
What plates is mount saint Helen on?
The circum-pacific belt (the ring of fire)
Mount saint Helen is it a composite?
Yes mount saint Helen is a composite.
What is the name of the plate mount st Helen's lies on?
There are two plates that mount saint Helens lies on is Juan de Fuca and the North American plate
What stage is Mount Saint Helen's in?
It is active.
What external forces are at work at mount saint Helen?
what external forces are at work in mount saint helens
What are the 3 types of extrusive rock formations?
mount saint helen coloumbia plateau hawaiian island mount saint helen coloumbia plateau hawaiian island
What are the names of the Washington volcanos?
mount saint helen
How much is mount Saint Helen ash worth?
?
Which country is Mount Saint Helen at?
United States
What volcanoes are also mountains?
Mount Saint Helen or, Mt. Saint Hellen :)
What is happening to the plates to form mount saint Helen?
The 3 plates, The Juan de Fuca plate, the Pacific Plate and the North American Plate collided and made mt st helens but i'm not sure what's happening currently with the plates....
Was the eruption of Mount Saint Helen's quiet or loud?
loud
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