0
Fairly bad. It killed 57 people. The force of its initial blast flattend over 200 square miles of trees and vegetation. The top 1300 feet of the mountan collapsed in a mudflow.
There have been more powerful eruptions in history, and more deadly ones as well. But as far as within the United States, it was one of the worst.
What else can I help you with?
Where is Mount Saint Helens found in?
mount baker,mount rainier and mount hood surround mount saint helens
Was Mt Saint Helens located in the Cascade Range?
Yes, and it still is located in the Cascades.
What type of lava flow did mt st helens have?
The 1980 eruption of Mount St. Helens did not produce lava flows. It was a plinian eruption that produced aolumn of ash and pyroclastic flows. Pyroclastic flows are avalanche-like masses of hot ash, rock, and gas that rase away from an erupting volcano at speeds that can reachinto the hundreds of miles per hour.
What eruption does Mt St Helen's have?
The eruption that Mt St Helen has is an exploding volcano that shoots lava and rocks into the air.
What type of flow does mt st helens have?
Mount St. Helens has produced lava flows in the past. However, the famous eruption in 1980 produced something much more dangerous: pyroclastic flows. These are avalanche-like currents of hot ash, rock, and gas that race out of a volcano. The initial pyroclastic flow from the lateral blast may have briefly been supersonic.
When was Mt Saint Helens first eruption?
omg es teal
What is the most destructive eruption from Mt. Saint Helens?
On May 18th 1980.
When did Mt. Saint Helens Explode?
The most devastating eruption was on May 18th 1890.
How do you compare the eruptions of the Hawaiian volcanoes to the 1980 eruption of Mt Saint Helens?
FALSE
What effects did the eruption of mt saint helens volcanoe have?
It killed animals and stuff. And people. Look at wikipedia.
When was the last eruption of mountain saint Helen?
The last eruptive activity of Mount St Helens was in July of 2008.
What was mt st Helens most famous eruption?
The 1980 eruption of Mount St. Helens.
Continent where Mt Saint Helens is located.?
Mt. Saint Helens is located on the North American continent.
What made Mt Saint Helen's to erupt?
The eruption of Mount St. Helens in 1980 was triggered by a combination of magma rising towards the surface, increasing pressure in the volcano, and a sudden release of built-up gases. This led to a flank collapse on the north side of the volcano, resulting in a massive eruption that devastated the surrounding area.
Is Mt Saint Helens a volcano?
yes, Mt Saint Helens is a volcano. located in Skamania County, Washington
Was Mt Saint Hellens Eruption long or short?
The eruption of Mount St. Helens in 1980 was relatively short, lasting for about nine hours. However, the effects of the eruption, including the eruption column and pyroclastic flows, had long-lasting impacts on the surrounding area.
What information can you provide about the Mt. Saint Helens ash map?
The Mt. St. Helens ash map shows the distribution of ash fallout after the 1980 eruption. It indicates the areas affected by the volcanic ash, helping scientists and emergency responders understand the impact of the eruption.
