2.3 Causes And Effects Of Earthquakes And Volcanoes

Question 1

Where are the earthquakes and volcanoes found?

Answer 1

Question 2

Impacts on people and the environment

Answer 2

1. Earthquakes

• positive: underground minerals may be bought nearer to the surface
• negative: kills people and wildlife, destroys buildings, destroys roads, railways and infrastructure, can create tsunamis

2. Volcanoes

• positive: attractive for tourists, brings in income for locals and country, minerals, light ash falls can add nutrients to the soil, and can be used for geothermal power
• negative: kills people and wildlife, can destroy farms and woodland, heavy ash can cover area in thick layers and cause roof collapse, ash can cause problems for aircraft, can destroy building and transport infrastructure, gases can cause pollution