The positive and negative consequences of volcanoes
- Volcanoes produce ash, lava, Large blocks of hot rock thrown from a volcano., A current of hot gas and rock that flows downhill at high speed. and A destructive volcanic landslide or mudflow, consisting of a mixture of volcanic debris, mud, rock and water. which can all greatly alter the landscape.
- Ash from large volcanoes has been known to affect global weather climates.
Negative or hazardous consequences of volcanic eruptions
- Volcanoes are dangerous - they can kill people and damage property and services.
- Economic activity can suffer as it is hard for businesses to operate and recover after an eruption.
- Natural habitats are disrupted and animals and plants are destroyed.
Positive consequences of volcanic eruptions
- Volcanoes serve as tourist attractions, bringing in money for the local economy.
- Volcanic ash acts as a natural fertiliser for the soil, which is good for growing crops.
- Geothermal energy can be generated in places where the crust is thinner and so volcanic areas can be used to harness renewable energy.