VOLCANO CASE STUDY BBC BITESIZE

Changing a way of life — Homes would be destroyed; air, road and rail travel and transport would grind to a halt, water supplies would be contaminated — life as we know it would change radically and survival would become increasingly difficult. What is the bowl-shaped basin in the top of the volcano called? Every year millions of visitors come to see the related features, such as geysers and hot springs. The eruption was violent, producing lava, ash, pyroclastic flows and minor earthquakes. Some roads were destroyed. For this reason, they’re also known as stratovolcanoes.

It is tectonically active with earthquakes and occasional volcanic eruptions. Both towns were coated in ash, as were local farms. Chaiten is a small volcano in western Chile in the Andes fold mountains. In September there was increased earthquake activity and white plumes of smoke were seen rising above the volcano’s crater. Types of volcano There are two main types of volcano – composite and shield. Ecosystem destruction – Whole ecosystems would be destroyed.

Mauna Loa is a shield volcano. Steep sides as the lava doesn’t flow very far before it solidifies. Despite the evacuations, 19 people were killed by the eruptions as a small group of people chose to stay behind to watch over their crops.

Volcanic mud flows called lahars blocked roads making local people even more isolated than usual. Shield volcanoes are found on constructive plate marginswhere two plates move away from one another. It would spark climate change that might trigger a mini-ice age due to the amount of sulphur dioxide thrown into the atmosphere and reflecting solar radiation. Longer periods between eruptions.

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What are the characteristics of a composite volcano?

Volcanoes – AQA – Revision 4 – GCSE Geography – BBC Bitesize

Composite volcanoes are found on destructive plate marginswhere the oceanic crust sinks beneath the continental crust. It happened underneath the sea. During this time, Montserrat was devastated by pyroclastic flows. Which of the following was an effect of the Eyjafjallajokull volcano eruption that affected other countries in Europe?

The supervolcano at Yellowstone is formed because of a volcanic hotspot. There was a lack of sanitation in areas that people fled to.

Volcanoes – Test – KS3 Geography – BBC Bitesize

Impacts The towns of Chaiten and Futaleufu were evacuated. The eruption was violent, producing lava, ash, pyroclastic flows and minor earthquakes. Old Faithful is one example of a geyser.

The two types of volcano form in different places and have very different characteristics. Both towns were coated in ash, as were local farms. There are two main types of volcano – composite and shield.

People lost businesses and jobs. The small population of the island 11, people was evacuated in to the north of Montserrat as well as to neighbouring islands and the UK. Composite volcanoes have the following characteristics: There is a volcanic area located in the south of cae island on Soufriere Hills called Chances Peak.

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It is tectonically active with earthquakes and occasional volcanic eruptions. Volcanic eruptions and lahars have atudy large areas of Montserrat.

Powerful volcanic eruptions

Yellowstone is one example of a supervolcano. Tiltmeters showed that the volcanic dome had begun to bulge. Composite volcanoes Composite volcanoes are found on destructive plate marginswhere the oceanic crust sinks bitesizr the continental crust.

volcano case study bbc bitesize

It would kill aroundpeople instantly and make most of North America uninhabitable as huge amounts of ash and dust would be thrown into the atmosphere. European businesses lost trade. It happened beneath an ice sheet. The volcano and its eruptions were caused by the Indo-Australian plate being subducted beneath the Eurasian plate.

volcano case study bbc bitesize

New people moved into the area bringing the vklcano with them. Pyroclastic event — Everything within a mile radius at least of the eruption will be destroyed.

Agricultural land was damaged.