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Questions and Answers
Considering the destructive potential of volcanic eruptions, what is the most critical factor that determines the long-term viability of communities located in close proximity to active volcanoes?
Considering the destructive potential of volcanic eruptions, what is the most critical factor that determines the long-term viability of communities located in close proximity to active volcanoes?
- The effectiveness of evacuation plans and the ability to rebuild infrastructure rapidly. (correct)
- The fertility of the volcanic soil, which allows for quick agricultural recovery.
- The frequency of eruptions, as more frequent eruptions lead to quicker adaptation.
- The diversification of local economies to reduce reliance on tourism and agriculture.
How does the utilization of thermal energy from volcanic activity in Iceland exemplify a sustainable approach to resource management?
How does the utilization of thermal energy from volcanic activity in Iceland exemplify a sustainable approach to resource management?
- It showcases the potential for renewable energy sources to meet a significant portion of a nation's energy needs. (correct)
- It increases the reliance on geothermal plants, which can be quickly scaled to meet growing demands.
- It demonstrates a complete independence from fossil fuels, reducing carbon emissions to virtually zero.
- It eliminates the need for nuclear power, decreasing risks, associated with radioactive waste disposal.
Why might the simultaneous volcanic eruptions on the Kamchatka Peninsula present a greater risk than a single eruption of similar magnitude?
Why might the simultaneous volcanic eruptions on the Kamchatka Peninsula present a greater risk than a single eruption of similar magnitude?
- They release a higher quantity of lava, causing more widespread destruction.
- They complicate response efforts due to the increased area affected. (correct)
- They cause seismic instability that triggers more earthquakes.
- They produce a combination of ash clouds that are harder to predict.
What is the most significant constraint on expanding the use of volcanic ash as a fertilizer in global agriculture?
What is the most significant constraint on expanding the use of volcanic ash as a fertilizer in global agriculture?
Considering the economic benefits of volcanic tourism, what strategy would best balance economic gains with environmental conservation in areas surrounding active volcanoes?
Considering the economic benefits of volcanic tourism, what strategy would best balance economic gains with environmental conservation in areas surrounding active volcanoes?
Flashcards
Who is Vulcan?
Who is Vulcan?
The Roman god of fire, from whom the word volcano is derived.
What are the main negative effects of volcanoes?
What are the main negative effects of volcanoes?
Lava flows, hot gas and ash mixtures, and heavy volcanic ash.
What are some positive effects of volcanoes?
What are some positive effects of volcanoes?
They can be major tourist attractions, the ash acts as a natural fertilizer, and the steam produced by volcanic heat can be utilized to create electricity.
How can volcanic eruptions be beneficial for farming?
How can volcanic eruptions be beneficial for farming?
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How is thermal energy beneficial from a volcano?
How is thermal energy beneficial from a volcano?
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Study Notes
- The word “volcano” comes from the Roman god Vulcan, the god of fire.
- Ancient Romans believed Vulcan lived under the volcanic island of Vulcano, which erupted into the late 1800s.
- On January 11, 2013, four simultaneous volcanic eruptions were recorded on the Kamchatka Peninsula.
Negative Effects of Volcanoes
- Death and destruction are the two main negative impacts.
- Lava flows can destroy houses, buildings, plants, and wildlife habitats.
- Mixtures of hot gas and ash can travel up to 150 km/h and kill anything in their path.
- Heavy volcanic ash can make it hard to breathe and can cause houses to collapse.
- Volcanic ash can damage jet engines.
- In 2010, thousands were stuck in airports for weeks due to a volcanic eruption in Iceland that produced a giant ash cloud.
Positive Effects of Volcanoes
- Volcanoes can be major tourist attractions, such as Mount Vesuvius in Italy, generating jobs and money.
- Volcanic ash often contains minerals and acts as a natural fertilizer.
- Volcanic activity near the Brazilian plateau has made the soil perfect for coffee production.
- Steam produced by volcanic heat is used to create electricity.
- More than 90% of homes in Iceland are heated using thermal energy from volcanoes.
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