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The volcanic eruptions of Mount St. Helens created a variety of landforms, including a horseshoe-shaped crater, a lava dome, pyroclastic flows, lahars (mudflows), and new lava fields. The blasts and flows reshaped the landscape, producing a complex mix of valleys, canyons, and ridges in the surrounding area.

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Q: What landforms were caused by volcanic eruptions of mount st helen?
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How often do mount st Helen erupt?

Mount St. Helens has had several eruptions throughout its history, with the most recent major eruption occurring in 1980. Since then, there have been minor eruptions and changes in volcanic activity, but the frequency is not predictable. Monitoring of the volcano is ongoing to detect any signs of future activity.


How was Mount Saint Helen eruption different from other eruptions?

The eruption of Mount Saint Helens was different from other explosive eruptions in that the initial blast was to the side, rather than straight up.


How did the damage caused by the eruption of mt Pinatubo differ from the damage caused by the eruptions of mt st Helen?

Much of the damage caused by Mount St Helens was blast damage from the initial explosion. This explosion was projected northward out of the side of the volcano, unlike other explosions, which have most of their force directed upward.Most of Pinatubo's damage was caused by ashfall, which was exacerbated by heavy rain from Typhoon Yunya, which impacted the Philippines during the eruption.


What is the zip code for Mount St Helens?

The mailing address of Mt. St. Helen's volcanic monument is Mount St. Helen's National Volcanic Monument 42218 N.E. Yale Bridge Rd. Amboy, WA 98601 according to Mount St. Helen's National Park.


When did mount saint Helen's lose the top in an eruption happen?

The eruption that caused Mount St. Helens to lose its top occurred on May 18, 1980. The eruption was the result of a massive landslide and subsequent volcanic explosion, which caused the top 1,300 feet (400 meters) of the mountain to collapse and disintegrate.

Related questions

What was the majors eruptions of mt st Helens?

The major eruptions of mt st Helen where that it was very active and the ground in the volcano always had a earth quake and so the made the eruptions in mt st Helen still active but was deadly in the 1900s.


What were other bad volcano eruptions?

Mount St. Helen


How many eruptions has mountst Helen in the last 200 years?

to many


How often do mount st Helen erupt?

Mount St. Helens has had several eruptions throughout its history, with the most recent major eruption occurring in 1980. Since then, there have been minor eruptions and changes in volcanic activity, but the frequency is not predictable. Monitoring of the volcano is ongoing to detect any signs of future activity.


How many times has mt Helen erupted?

45 times or more due to0 little eruptions


Who was the woman that caused the war?

Helen of Sparta.


How was Mount Saint Helen eruption different from other eruptions?

The eruption of Mount Saint Helens was different from other explosive eruptions in that the initial blast was to the side, rather than straight up.


Are Mount St Helen's eruptions quiet or explosive?

Mount St Helens has produced both quite and explosive eruptions. It is best known for a very large explosive eruption in 1980.


How did the damage caused by the eruption of mt Pinatubo differ from the damage caused by the eruptions of mt st Helen?

Much of the damage caused by Mount St Helens was blast damage from the initial explosion. This explosion was projected northward out of the side of the volcano, unlike other explosions, which have most of their force directed upward.Most of Pinatubo's damage was caused by ashfall, which was exacerbated by heavy rain from Typhoon Yunya, which impacted the Philippines during the eruption.


What kind of land forms come from mount st Helen's?

Mount St. Helen is an American active volcano. Therefore, the nearby land form is volcanic.


Which daughter of Zeus caused Trojan war?

Helen


What is the zip code for Mount St Helens?

The mailing address of Mt. St. Helen's volcanic monument is Mount St. Helen's National Volcanic Monument 42218 N.E. Yale Bridge Rd. Amboy, WA 98601 according to Mount St. Helen's National Park.