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A short history of nearly everything yellowstone and volcanoes
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Living in the Midwest, we don’t really think about volcanos. But, we actually live about 1000 miles from an active volcano that is overdue for a massive eruption. Scientists call this volcano a Supervolcano, “a supervolcano is any volcano capable of producing a volcanic eruption with an ejecta volume greater than 1,000 km3 (240 cu mi). This is thousands of times larger than normal volcanic eruptions.”
Yellowstone National Park, in Jackson Hole, Wyoming was created millions of years ago, when a hotspot formed in the earth's mantle. The hotspot pushed magma towards the earth's surface, causing the crust to move upwards. Yellowstone has had 3 eruptions that we know about 2.1 million years ago, 1.2 million years ago and 640,000 years ago.
“The volume of material ejected during this first eruption is estimated to have been 6,000 times the size of the 1980 eruption of Mt. St. Helens in Washington, and ash has been found as far away as Missouri.” It’s heat melted rocks in the earth’s crust, which created a magma chamber of partially molten and solid rocks. The hot magma caused part of the earth’s crust to expand and rise, stress also caused rocks overlying the magma to break, which caused earthquakes and it formed faults, which eventually reached deep in the magma chamber.
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Water would be pumped through the borehole into the heatrock, then returned to the surface at a temperature of about 600 degrees fahrenheit. Once it cools down, the water will be pumped back underground to subtract more
In March 18, 1880 Mount St. Helens there was a catastrophic eruption that caused a huge volume of ash; the ash plume would be over central Colorado within 16 hours. After years of dedicated monitoring (knowing where to volcano is, unlike an earthquake not knowing exactly where this geological even is exactly) there was been increasing accuracy in forecasting eruptions.
What is a super volcano, what is a volcano? A volcano itself is a hill or mountain with vents to the crusts of the earth that let magma sit under or in the mountain. “A super volcano is any volcano capable of producing a volcanic eruption with an ejecta volume greater than 1,000 km3 (240 cu mi). This is thousands of times larger than normal volcanic eruptions. Super volcanos are on a much bigger scale than other volcanoes. Unlike composite volcanoes, with their steep sides, they are difficult to spot.” (Internet Geography, geography.learnontheinternet.co.uk) An average volcano in the world would just cause local damage, but this super volcano could end life on earth. Not just with the eruption but the ash would cause a volcanic winter blocking the sun to long and then even more the ash would choke everything out and collapse roofs. Yea Rainier would kill thousands of people, but Yellowstone would literally kill billions plus of people. In comparison, Rainier is a little fly and Yellowstone is a Griffin {The big eagle lion bird thing}. Yellowstone has the capability to erupt 1,000 times stronger than Rainier ever could.
Yellowstone National Park lies mostly in Wyoming, but three of the park’s entrances are located in southern Montana. People go to Yellowstone National park to see the view and the glaciers, some people go there to just go on a vacation to see the wildlife (Av2 books).
On May 22, 1915, an explosive eruption at Lassen Peak devastated nearby areas and rained volcanic ash farther 200 miles to the east! This explosion was the most powerful in a series of eruptions from 1914 through 1917. ...
The west coast of North America has been tectonically and volcanically active for billions of years. The Sierra Nevada Mountains in eastern California were born of volcanoes, and magma has been erupting in the Long Valley to the east of the mountains for over three million years (Bailey, et. al., 1989). However, the climactic eruption of the region occurred relatively recently in the region's geologic history. About 760,000 years ago, a huge explosion of magma warped the Eastern Sierra into the landscape that exists today. The eruption depleted a massive magma chamber below the earth's surface so that the ceiling of the chamber imploded, forming what is now known as the Long Valley caldera. The caldera is at the eastern base of the Sierra Nevada Mountains, about 50 km northwest of the town of Bishop, and 30 km south of Mono Lake (Bailey, 1976).
The first time I saw Mt. Rainier for myself, was last summer when my boyfriend and I drove to Washington. It was the most beautiful, peaceful looking mountain I have ever seen. However, underneath it's great beauty, it hides a deadly secret. Mt. Rainier is one of the most dangerous volcanoes that we have here in the United States. One of the reasons it is so dangerous is because of it's great beauty. People enjoy looking at it, and the area that surrounds it, so they have made their homes here. Mt Rainier is not the only volcano I am interested in, in fact this last summer I also went to Mt. St. Helens and Crater Lake. But it is the volcano I chose to research for this paper because it does have so much beauty and at the same time so much power. I already know the basics about volcanoes, how they form, the different types, etc., but I wanted to find out more about what would happen if this great volcano were to erupt, what type of eruption would it be, and how would it affect the people that live around it.
Iceland is known for its volcanic activity. A few years before Heimaey erupted; a nearby sub oceanic eruption formed the new island of Surtsey. The town of Vestmannaeyjar already had an extinct volcano on its outskirts, the volcano was known as Helgafell. It was thought to have been extinct for several hundred years. In January 1973 a new fissure opened up a few hundred yards from the extinct volcano. It went clear across the island and into the ocean on both sides. Boats escaping the harbor saw red magma under the water, and sub oceanic power and water lines from the mainland were broken by the eruption. In the initial eruption a curtain of lava 500 feet erupted from the fissure, after a few days the eruption was mostly from a single vent, with a cinder cone 300 feet tall. The lava flows from the eruption were a viscous slow moving basaltic magma. Average speeds for the lava flows were 3 to 9 yards a day. These relatively slow speeds are what made it possible to try and cool and divert the lava.
MILLER, C. D. POTENTIAL HAZARDS FROM FUTURE ERUPTIONS IN THE VICINITY OF MOUNT SHASTAVOLCANO, NORTHERN CALIFORNIA. N.p.: US Government Printing Office, 1980. Print.
The eruption on Mount Saint Helens has a specific cause and comes with many effects. A multifold of people would say that the “mountain looked like the site of an atomic blast” (Bredeson 30). That is a very accurate depiction as it took great power to inflict as much damage as it did. The reason for this impressive amount of force is that when magma is built up with pressure and an earthquake hits, the pressure gets magnified and the volcano explodes (Lewis). This is exactly what happened inside Mount Saint Helens. Furthermore, it has been revealed that “The earthquake that triggered the explosion was a 5.2 on the Richter scale” (Gunn 559). The earthquake to the magma can be compared as a match to gasoline. Even though the earthquake was not huge, the scale of the eruption was much greater than that of the earthquake (Gunn 560). The earthquake was only the trigger that allowed for more devastating things to occur. Thirteen hundred feet of the volcano were lost in the explosion followed by landslides, mudslides, and lava flows...
Yellowstone park was the first national park in the United States. The park dates back as far as 11,000 years ago, when the Native Americans were the first to stumble upon the
Volcanos are amazing and frightening geologic features of our earth. Their volcanic ash feeds the farmlands, but that same ash from a violent eruption destroys crops. There are numerous volcanic eruptions that have changed the world. These eruptions include Mt. Saint Helens, Kilauea, Pompeii, and Pinatubo. The purpose of this paper is to describe the jeopardy of a volcano in the United States.
Stories about volcanoes are captivating. Myths come in different versions, but all of them are capable of capturing yours, and everybody’s imagination.
Mt. St. Helens is famously for its eruption on May 18, 1980, although the mountain had previous eruptions with four different stages and the stages often had similarities including the devastating one in 1980; in addition, the 1980 eruption presented serious havoc that led to a long road of recovery. The first stage known as the Ape Canyon Stage and according to the U.S. Geological survey it was ignited from series of small eruptions that created the birth of the mountain; during this phase these eruptions possibly formed domes and pyroclastic flows. Mt. St. Helens in the Cougar stage formulated lava domes and flows just like the Ape Canyon stage including eruptions that escalated enormous volumes of ash along with pyroclastic flows; furthermore
The general survival of the human race is always our main priority, whether it’s our own, a stranger’s or a loved one’s we have the protective urge built in. So when near dangerous areas we are always extra cautious of our surroundings. This protectiveness and cautiousness of our surroundings can lead us to be afraid to take risks and actually visit many places with dangers that are otherwise beautiful. One of these avoided dangers is an active volcano. Whether you live near one or are a tourist, being near an active volcano is scary especially if you don’t know how to keep safe if there is an eruption. Luckily there are some general tips to survive that everyone can follow. First, it must be understood that there are other dangers an eruption can cause than the main thing. Some of these are mudflows-dirt and ash mixed with water heading down the volcano at extreme speeds-, flash flooding-if there is rain or rivers near the volcano-, wildland fires- lava and magma can cause flammable objects to burst into flame. If these objects are in a forest, fires can wreak havoc in the wildland- and hot ash flows- also known