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The government needs to have a plan if a volcano could erupt in their area. This plan is there to reduce loss of life and cause as least damage as possible. The plan should include:

-Being ready to evacuate all residents in the area.

-Creating an exclusive zone around the volcano.

-A good communication system needs to be in place so people can communicate.

-Having an emergency supply of basic provisions such as food, water and somewhere to stay if home is lost.

-Money needs to be saved to help the people affected.

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Even though volcanoes can be destructive some people choose to live near them because volcanic soil if very fertile. It contains minerals needed for plants to have a healthy growth.

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Some eruptions produce runny lava while others produce thick lava that escapes violently.

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Volcanoes occur where tectonic plates meet and the Earth's crust becomes unstable. Volcanic eruptions happen at the boundaries between plates. Magma is less dense the the crust so it can rise to the surface through weaknesses in the crust, this forms a volcano.

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-Thermal imaging techniques and satellite cameras are used to detect heat around a volcano. The temperature increases as active inside it increases.
-Gas samples can be taken and chemical sensors are used to measure sulfur levels. They do this because when a volcano is close to erupting gases are released. The more sulphur there is in it, the closer it is to erupting.
-A seismometer measures and records details of earthquakes, such as force and duration. They pick up vibrations made in the crust.

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Volcanoes such as Mount St Helens in the US and Mount Etna in Italy are closely being monitored all the time. This is because they have been active in recent years and people who live nearby will benefit from warning signs if an eruption was to happen. However, as well as prediction, people need to be prepared for an eruption.

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This volcano erupted in April, 2010 and meant that millions of plane rides were cancelled which caused economic problems all over the world.

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Although it isn't quite possible to predict volcanoes yet, geologists have technology to help them prepare and warn people if they see warning signs.