• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Yellowstone Supervolcano

Free essay example:

image00.jpgimage01.jpg

A super volcano is a mega colossal volcano that erupts at least 1,000km3 of material. Super volcanoes do not look like a volcano with a characteristic cone. Instead, they have a large depression called a caldera, often marked by a rim of higher land around the edges. Beneath the caldera is a huge magma chamber, where all the magma is stored before the volcano erupts.

Yellowstone is a super volcano in Montana, North America. There is evidence that the magma beneath Yellowstone is shifting. The caldera is bulging up at one end beneath Lake Yellowstone. There are signs of increasing activity at Norris, and the ground has risen as much as 70cm in some places. The magma chamber beneath Yellowstone is believed to be 80km long, 40km wide and 8km deep. It is not known whether the magma is on top of other materials, which would be necessary for an eruption.

If Yellowstone, or any other super volcano did erupt, there would be many major effects globally. An eruption is likely to destroy 10,000km2 of land, kill 87, 000 people, and 1 in 3 people affected would die. Ash would be deposited all over the United States, which would affect transport, electricity, water and farming. Harvests would disappear instantly, leaving many people hungry, and the water supplies would get contaminated, leaving hundreds of thousands of people without clean water. Global climates would change, which may eventually lead to another ice age!image02.pngimage03.jpg

This student written piece of work is one of many that can be found in our GCSE Physical Geography section.

(?)

Here's what a star student thought of this essay

3 star(s)

Response to the question

Overall a good base essay. The candidate introduces the topic well setting out the key concepts with the volcano concerned and shows consideration of the activity and current issues of the volcano. To improve the essay should show greater ...

Read full review

Response to the question

Overall a good base essay. The candidate introduces the topic well setting out the key concepts with the volcano concerned and shows consideration of the activity and current issues of the volcano. To improve the essay should show greater consideration of the impacts the volcano may have and link the structure of the volcano to how a change in structure may indicate activity better to show deeper understanding of the topic.

Level of analysis

The candidate starts with good definitions of a supervolcano and what defines them in this status. They explain terms well and clearly. They identify current signs with the volcano they are investigating but they should supply a picture of regions of the volcano, such as 'Norris' so the reader has an idea of what Norris actually is. They do not explain the deeper significance of the findings which would have shown greater understanding of volcanic concepts. They consider the regional impact of the volcano, and should explain effects that would be seen on a global level in more detail to gain better marks.

Quality of writing

Punctuation, grammar and spelling are all to a good clear level. Paragraphing is done well and the tone fits the piece. The images do not aid the topic so should be left out if not needed.


Did you find this review helpful? Join our team of reviewers and help other students learn

Reviewed by skatealexia 16/08/2012

Read less
Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Related GCSE Geography Skills and Knowledge Essays

See our best essays

Related GCSE Physical Geography essays

  1. The Truth about Climate Change

    the regional condition, which includes not only how warm or cold it is, but also, for example, humidity or air pressure. According to the Academy of Sciences, "the phrase 'climate change' is growing in preferred use to 'global warming' because it helps convey that there are other changes in addition to rising temperatures."

  2. The Yellowstone Supervolcano

    Roads would have to be closed off and therefore most emergency services could not travel to the affected area in time.

  1. Montserrat volcano and its effects on the inhabitants.

    School's closing and communities having to evacuate, this caused a disruption in the children's education. The eruption had a big impact to the environment, particularly because of a number of toxic gases possibly present in pyroclastic material.

  2. Afghanistan - geography, resources and population.

    It is estimated that we lost thirty percent of our farmlands and pastures, either by abandonment or degradation. The farmlands in the province of Kabul have been lost due to degradation resulting from the expansion of the urban institutions. This led to a drastic change of the previously dominant climatic and environmental factors in this region.

  1. Physical Geography Earth revision notes

    There are two kinds of waves . Primary waves go up and down they travel the fastest . S waves move back and forth , they arrive second . Earthquake energy moves radically outwards . Super volcano A super volcano is a mega colossal volcano that erupts at least 1000km^3 of material .

  2. Why did Harry Truman die in the Mt St. Helens eruption?

    SO2 produced but the most important fact was that a bulge was starting to develop along the side of the volcano due to the main vent being blocked by quick sand. The bulge was rising about at a steady rate of 1.5 m each day and by late April there was a bulge 1000m wide and 2000m long.

  1. Climate Change revision

    It seems certain that responsibility for action will lie mainly with HICs as these nations have been, and still are, the major global polluters. THE GLOBAL RESPONSE 1988: The IPCC (international Panel on Climate Change) set to investigate whether our actions were resulting in Climate Change.

  2. Earthquakes and volcanoes research

    Some faults called surface faults can be seen from the ground such as the San Andreas Fault in California. Others, called blind faults, lie beneath the surface. During an earthquake, one side of a fault slips. There are quite a number of earth faults divided into categories determining on the way they slip.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work