Mount St. Helens has served as an object of study for creationist researchers, who have learned about the effects of catastrophic geological processes and the speed at which the earth can change. Check online 150007515 150007515 03/30/2017 Biology High School What type of volcano is mount st. helens 2 See answers A) shield volcano B) composite volcano C) cinder cone volcano is there only 3 options Prior to 1980, Mount St. Helens formed a conical, youthful volcano sometimes known as the Fujisan of America. Mount St. Helens’s most recent volcanic activity stretched from 2004 to 2008, during which the volcano grew a new lava dome and periodically released plumes of … It is often referred to as the Mount Fuji of America. St Helens While the 1980 eruption of Mt St Helens (USA) is one of the most well-known and thoroughly-studied volcanic events of our time it does not come close to accounting for the greatest loss of life. Are these eruptions normally explosive or effusive? It is a part of the Cascade Mountains. The Mount St. Helens Science and Learning Center is a collaborative effort of the Mount St. Helens Institute and the U.S. Forest Service, Mount St. Helens National Volcanic Monument. Read on for 10 interesting facts about Mount St. Helens. From radiometric dating to a study of sedimentary layers and erosion, the Mount St. Helens eruption offered a real-world laboratory. Summary Commemorating the 30th anniversary of the 1980 eruptions of Mount St. Helens. 2—Most of Mount St. Helens is younger than 3,000 years old (younger than the pyramids of Egypt). What type of volcano is Mount St. Helens in the Cascade Mountains? What creates the Cascade Volcanoes? 1—During the past 4,000 years, Mount St. Helens has erupted more frequently than any other volcano in the Cascade Range. What kinds of lava/rocks/materials would it produce? Mount St. Helens is a stratovolcano, a steep-sided volcano located in the Pacific Northwest region of the United States in the state of Washington.Sitting about 97 miles south of Seattle and 52 miles northeast of Portland, Oregon, Mt. However, were there a large population surrounding the once-pristine waters of Spirit Lake in May of 1980, it would be a different story. The most famous volcanic eruption of this volcano occurred on May 18, 1980 and it was the deadliest and most destructive volcanic event in United States history. Mount St. Helens, located in Washington State, is the most active volcano in the Cascade Range, and it is the most likely of the contiguous U.S. volcanoes to erupt in the future. During the 1980 eruption the upper 400 m of the summit was removed by slope failure, leaving a 2 x 3.5 km horseshoe-shaped crater now partially filled by a lava dome. Digital Elevation Map of Mount St. Helens with annotation of pre-1980 topography and deposits from 1980 - 2008. 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