HW_HawaiiVO_Spring2021

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0836

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Astronomy

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Apr 3, 2024

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EES 0836 Hawaii Volcano Observatory (HVO) Disasters: Geology vs. Hollywood Introduction Steven Chemtob, PhD, watched a clip from Disaster Zone: Volcano in New York (2006), and addressed the difficulties of forecasting eruptions. Obviously, in the clip Steven watched, tectonically speaking, there would be no way to predict that a volcano would erupt beneath that man’s house. Note, however, that there are events that can precede eruptions that can aid volcanologists in making predictions. In this activity, you will be using the United States Geological Survey’s Hawaiian Volcano Observatory website and making predictions as to future eruptions. Learning Objectives ● Compare how the depiction of an eruption of a volcano from the movie Disaster Zone: Volcano in New York relates to real world phenomena. (3, 4, a, b) ● Outline how the eruption of volcanoes on Hawaii would affect people and the environment. (3, 2, a, c) ● Assess the possibility of a future eruption through current observations. (1, 3, c) Part 1: YVO at birds eye view If you visit Hawaii Volcano Observatory you can see they observe several volcanoes, including the subaquatic volcano Loihi. Loihi is expected to become the next Hawaiian island in 10,000 to 100,000 years. Using the included website, answer the following questions. 1. How many volcanoes are monitored at this observatory? There are five volcanoes monitored at this observatory. 2. How many volcano(es), if any, are considered: a. Very high threat: 2 b. High threat: 1 c. Moderate threat: 2 3. Are all of these the same type of volcano? Yes, they are shield volcanoes 4. Do any volcanoes have an advisory above green/normal? If so, which volcanoes, what color is the advisory, and why?
EES 0836 No, there are not any volcanoes that have advisory above green/normal. 5. Are volcanologists predicting it will erupt? Kilauea- erupted in June 2023 Part 2: HVO with more focus As you could see in part 1, HVO is monitoring more than just volcanoes. But we are here to look specifically at Kilauea, which began erupting in December 2020. Either click on the link to Kilauea under threat potential or click here . ` 1. What type of volcano is Kilauea? Kilauea is shield volcano 2. What is the composition of the lava? The composition is Basalt 3. What is the “Threat Potential”? the threat potential is very high. 4. Look at “Current Alerts” a. What is the current Volcano Alert Level: watch b. What is the current Aviation Color Code: yellow 5. Summarize the “Activity Summary” a. Is Kilauea erupting? no it is not erupting b. What is the rate of seismicity? 20 c. What is the rate of ground deformation? cracking d. What is the rate of emissions, and what is Kilauea emitting? Between 500 and 14,000 metric tons 6. If you had the opportunity to purchase a house that was located on Kilauea, what would you do to try to protect it from future eruptions? Explain your answer. (2-3 sentences) Firstly I would never buy a house located on Kilauea but if I did. I would try to protected by building a fence with something that would help deter lava. And get house insurance that would cover volcano eruption.
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