what happens when a volcano erupts

2)Magma pushes toward Earth's SURFACE through CRACKS.

The explosivity of an eruption depends on the composition of the magma. transcript. Ash from volcanoes can do more than darken the skies, hurt air quality, contaminate water, coat highways, cover yards and ground airplanes.

A volcano may be active, intermittent, dormant, or extinct. When this type of magma erupts, it flows out of the volcano.

This pressure pushes on weak spots in the earth's surface, or crust, causing magma to exit the volcano . How Do Volcanoes Erupt? 4)Lava COOLS, hardens, and becomes part of the LAND. Flowing hot lava can incinerate, bury and bulldoze things in its path but at least is usually moving slowly enough for humans to get out of its way. Magma underneath earth's crust is constantly going through a convection cycle: it is warmed by the core and rises, cools and sinks back down only to be heated once more. A volcano erupts when pressure pushes molten rock up through cracks in Earth's crust onto … How It Happens | Volcanic Eruptions The eruption of a volcano can be one of the planet’s most destructive events — spewing huge amounts of rock, gas and ash that can kill people. A good example is the eruptions at Hawaii’s volcanoes.

If the volcano erupts stay away from the lava, even one that seems dry or solid, never walk on it and avoid being near rivers and canals as they are good conductors of magma.Avoid inhalation of poisonous gases.Volcanoes emit a series of deadly gases. If you are close to one when it erupts these gases can kill in less than a minute. When this type of magma erupts, it flows out of the volcano. 3)Hot LAVA, gases, and ROCK flow from the volcano. What happens when a volcano erupts?

The rock fragments fall back to earth as dust, ash, bombs, blocks, cinder and pummice. Generally, a dormant volcano that erupts catches everyone by surprise. Learn the basics of volcanism, how volcano eruptions work, and the different types of volcano eruptions.

If magma is thin and runny, gases can escape easily from it. If the volcano erupts stay away from the lava, even one that seems dry or solid, never walk on it and avoid being near rivers and canals as they are good conductors of magma.Avoid inhalation of poisonous gases.Volcanoes emit a series of deadly gases.

What causes a volcano to erupt for kids?

What happens when a dormant volcano erupts? Some of the most famous examples of shield volcanoes make up the islands of Hawaii.

After a volcano erupts, it can damage structures, change landscapes, kill plants or animals, hurt air quality, affect the water and cause climate change. Active volcanoes erupt constantly. Learn interesting facts about how volcanoes erupt. Find out more about volcano eruption and improve your knowledge with DK Find Out, to help you learn. Yellowstone volcano: USGS reveals what would happen if Yellowstone volcano erupted YELLOWSTONE NATIONAL PARK houses a huge supervolcano. If you are close to one when it erupts these gases can kill in less than a minute. Some volcanic eruptions are explosive and others are not. A dormant volcano often gives little to no warning before erupting. Volcanic eruptions happen when gas bubbles inside magma, or hot liquid rock, expand and cause pressure to build up. A good example is the eruptions at Hawaii’s volcanoes.



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