March 20, 1980-A magnitude 4.2 earthquake signaled the reawakening of the volcano after 123 years.
in Mt. St. Helens theree was one 1800's to 1850's
in Mt. St. Helens theree was one 1800's to 1850's
At Mt. St. Helens.
Mt. St. Helens Mt. St. Helens
About 92 miles to Mt. St. Helens from Tacoma
Mt. St. Helens erupted by the pressure to make a volcano explode. Lava originates deep below the Earth's surface where it is still extremely hot, with magma at the bottom of the lava. a 5.1 earthquake triggered mt st helens to erupt
Mt. Saint Helens is located on the North American continent.
there were many warnings about mount St.Helen if they had an earthquake it would trigger the volcano to erupt causing the people to know if it will erupt or not
ROCKIES
Mt St Helens first erupted on May 18, 1980
yes, Mt Saint Helens is a volcano. located in Skamania County, Washington
NO no volcano is bigger than Mt st Helens