MOUNT ETNA CASE STUDY BBC BITESIZE

However, as well as prediction, people need to be prepared for an eruption. This will be so helpful for science class and my project about mount Etna. The underlying causes Mount St. Responses The national government brought in the army, air force and navy to evacuate the 5, locals and give them food and fresh water. This is a easy website to access for all ages especially primary school.

It is tectonically active with earthquakes and occasional volcanic eruptions. Beneath it is a destructive plate margin , where the Nazca plate subducts under the South American plate. Population Sixty one people died due to mudflows, being crushed to death and poisonous gases , while had to be rescued. When a volcano is close to erupting it starts to release gases. Preparing for volcanic eruptions and earthquakes. As a volcano becomes active, it gives off a number of warning signs. A detailed plan is needed for dealing with a possible eruption.

As a volcano becomes active, it gives off a number of warning signs. Other case studies include the eruption of Mount Etna in Cae in and Heimaey eruption in Iceland in Methods of prediction and planning Volcanoes are difficult to predict but, although they were unable to give a precise date scientists tried to predict the eruption of Mount St Helens by measuring the frequency of earthquakes on the xtudy.

The greater the frequency, the nearer the eruption and measuring the size of the volcanic cone shows the build-up of magma in the vent. All plant and animal life within a 25km radius of the volcano was killed, including fully grown trees.

Everyone who could be affected needs to know the plan and what they should do if it needs to be put into action. Gas samples may be taken and chemical sensors used to measure sulfur levels. It even helps my older girl who is 14 do her homework for secondary school.

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The explosion flattened buildings and trees and knocked out power supplies and telephones. Impacts The towns of Chaiten and Futaleufu were evacuated.

Mount Etna Facts

Both towns were coated in ash, as were local farms. When a volcano is close to erupting it starts to release gases. This is because they have been active in recent years mounf people who live nearby would benefit from early-warning signs of an eruption.

Responses The national government brought in the army, air force and navy to evacuate the 5, locals and give them food and fresh water.

Global environmental hazards – Revision 7 – National 5 Geography – BBC Bitesize

Learn how your comment data casf processed. My teacher gave me a prize for that! Mount St Helens lies close to a destructive plate boundary where the smaller Juan de Fuca plate is being forced into the mantle by the larger North American plate. Friction and heat cause the plate to melt and, as it melts, molten rocks are formed. Unfortunately volcanic eruptions and earthquakes cannot be prevented. Thanks this is rell good info now i know a lot more about Mount Etna.

mount etna case study bbc bitesize

Great facts they helped me with my history, art and English work. The Chilean government plans in the long term to set up monitoring for all the high-risk volcanoes in the country and to create an early warning system.

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It has stuxy loads with the science projects and geography topics.

mount etna case study bbc bitesize

Hundreds of small earthquakes are caused as magma rises up through cracks in the Earth’s crust. Her primary school recommend BBC but i think they should start recommending these bnc schools around the world.

Rivers channels became blocked too causing flooding. The air pollution generated by the ash caused health problems for people. Airports and highways atudy closed due to the ash dangers, both in Chile and neighbouring countries, eg Argentina. This will be so helpful for science class and my project about mount Etna. Ash clouds resulted in airline flights being cancelled.

mount etna case study bbc bitesize

In May the volcano erupted after being dormant for stud, years. Predicting volcanic eruptions As a volcano becomes active, it gives off a number of warning signs. After thousands of additional earthquakes and steam explosions, a cataclysmic eruption occurred on 18 May Mudflows poured down the valleys choking rivers with rock debris, killing fish and ripping trees from their roots. Predicting and preparing for volcanoes Unfortunately volcanic eruptions and earthquakes cannot be prevented.

The underlying causes Mount St. Chile accepted aid and support from other South American countries and the wider world.