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What are negative and positive effect of volcano?

What are negative and positive effect of volcano?

This is good for increasing renewable energy use. Ash ejected by the volcano acts as a good fertiliser for soils. Volcanoes attract many tourists, who enjoy the dramatic scenery that they produce. Rising magma brings valuable minerals to the surface, creating mining opportunities.

What are two positive and two negative effects of volcanoes?

Positive: Lava and Ash deposited during an eruption breaks down to provide valuable nutrients for the soil… this creates very fertile soil which is good for agriculture. Negative: Deadly and devastating Lahars are made when… ash and mud from an eruption mixes with rain or melting snow making fast moving mud flows.

What are some good and bad effects of earthquakes?

Positive effects of earthquakes

  • Earthquakes form natural springs.
  • Oases and natural energy sources can also spring up.
  • Earthquakes create hills, coastal terraces and mountain ranges.
  • Faults can become valleys.
  • Primary effects of earthquakes.
  • Secondary effects of earthquakes.
  • Land uplift destroys foundations of structures.

How would you mitigate the negative effect of volcanic hazards?

PLANNING. One of the most effective ways of reducing the risk of a volcanic eruption is having an evacuation plan. People are taught that if they are unable to be evacuated what they should do to protect themselves, e.g. go indoors to avoid falling ash and rock.

What is a con of a volcano?

Pros and Cons of Volcanoes Create beautiful landscapes. Generate tourism. Cons. Destroy old habitat and crops. Destroy cities, towns, communities.

What are the effects of volcanoes on humans?

Volcanoes affect the life of the human and it has a deep effect on the environment. The ash fall of volcanoes makes difficult for human begins to breathe. The fast flow of lava can kill humans, animals, and ruin the houses. Volcanoes blasts can cause heavy rain, thunder, and lightning.

What are the effects of volcanoes on the environment?

Volcanoes effect all four spheres of the Earth. It effects the atmosphere because the eruptions release harmful toxic gases that pollute the air. Volcano eruptions also change the weather. They can cause rain, thunder and lightning. Volcanoes also have long-term effects on the climate, making the world cooler.

What volcano is most likely to erupt?

Part of the famed Pacific Ring of Fire , Mount St Helens has been named the most likely of the contiguous US volcanoes to erupt.

What are positive aspects of volcanoes?

Geothermal energy is where heat from within the Earth is used to generate electricity. Geothermal energy can be generated in areas where magma lies close to the surface.

  • Ash ejected by the volcano acts as a good fertiliser for soils.
  • Volcanoes attract many tourists,who enjoy the dramatic scenery that they produce.