yes there were, they destroyed bridges and shipping channels because the most of it followed down a river. i do not know the name of the river though.
The Mount St. Helens eruption occurred in Washington state, in the western United States.
The 1980 eruption of Mount St. Helens killed 57 people.
Mount St. Helens in Washington state had a powerful eruption on May 18, 1980.
The 1980 eruption of Mount St Helens was a VEI 5.
The eruption of Mount St. Helens in 1980 lasted for 9 hours
The Mount St. Helens eruption occurred in Washington state, in the western United States.
The 1980 eruption of Mount St. Helens.
The 1980 eruption of Mount St. Helens killed 57 people.
Mount St. Helens in Washington state had a powerful eruption on May 18, 1980.
The latest eruption was in 2008.
Just that. A volcanic eruption
The 1980 eruption of Mount St Helens was a VEI 5.
The eruption of Mount St. Helens in 1980 lasted for 9 hours
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May 18th, 1980
Mount St. Helens produced a large eruption in 1980. However, it was not the largest recorded eruption in North America. That title goes to the 1912 eruption of Novarupta in Alaska.
The elevation of Mount St. Helens is 8,365 feet. Prior to its famous 1980 eruption it was 9,677 feet.