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A landslide on one side of the volcano released pressure on water saturated lava, causing a steam explosion followed by a full explosive type eruption. This generated millions of tons of fine ash the fell as far as a thousand miles away or more and a blast wave that leveled trees for tens of miles around the volcano. Ash that fell in the nearby river caused severe damage by virtually turning the river briefly into "liquid concrete".
What else can I help you with?
What happened on January 16?
The Mount Saint Helens erupted
Which country is mount saint Helens in?
Mount saint helens is located in the U.S.A.
Is Mount saint Helens in Washington?
Yes. Mount Saint Helens is located in Washington.
Where is Mount Saint Helens found in?
mount baker,mount rainier and mount hood surround mount saint helens
What olate is mount saint helens situated on?
Mount Saint Helens is situated within the Gifford Pinchot National Forest. The olate that Mount Saint Helens is situated is called the subduction zone.
What volcano is close to mount saint Helens?
Mount Saint Helens is the valcano. It's pretty close to itself.
Is mount Saint Helens east of Mount Rainier?
No. Mount St. Helens is south-southwest of Mount Ranier.
Which mountain erupted in 1980 in Washington US?
Mount St. Helens is a active volcano, in the Washington State.
Is mount St Helens in New Hampshire?
No. Mount Saint Helens is in Washington state.
What actually happened at mount saint Helens?
The volcano built up internal pressure until it exploded.
What did mount saint helens do?
erupted
Is mount saint helens a composite volcano?
Yes. Mount St. Helens is a composite volcano.
