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Whether or not any water is present in the eruption The amount of gas present in the magma and in the magma chamber itself
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How full the magma chamber was at the time of the eruption
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The size and severity of a volcanic eruption depend on a variety of underlying factors. As the magma reaches the surface, it is thrust through the vents on the volcano, resulting in an eruption.
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This building pressure causes the magma from the chamber to be forced upward through a series of tubes or conduits. The process begins when the pressure on a magma chamber deep below the Earth’s surface begins to build up. Although many volcanoes are mountainous in shape, a volcano can exist in nearly any form, including volcanic vents on the ocean floor, ice volcanoes, which have been found on a variety of other planets, and volcanoes that are simply a crater in the ground.ĭespite the variances in the shape of volcanoes, they all erupt in relatively the same way. Due to the very high pressure, the magma pushes out (eruption) of the earth’s surface as lava.Ī volcano is any opening in the Earth’s surface that allows molten rock and volcanic gases to escape from far below the Earth’s surface. Earth plates jostle each other and magma in the earth’s crust is urging and encouraging the earth’s surface and trigger geological activity, volcanic, and tectonic.ĥ. Increasing waves of magnetism and electricity, to the deformation of the body mounts.Ĥ. So the causes of the volcano eruption are:ģ. There are large tectonic plates in the Ring of Fire and lots of earthquakes happen here too. Lots of volcanoes happen in the “Ring of Fire” which is from California to Asia. Not all volcanoes explode, some are inactive and some are dormant. Volcanoes can also occur on other planets. One of the types of rock is obsidian, which is shiny and black. After the lava cools, it turns into rock. The lava can get up to 1600 degrees - a lot hotter than an oven. When the gas builds up a lot, the gas and lava, which is hot rocks, blows out the top, it’s a lot like the way a soda explodes. Volcanoes explode because of the gas buildup. When the molten stuff is in the volcano it is called magma. The molten stuff finds a hole in the ground and comes out the top. When two plates hit each other, one can go under and become “molten” which means it gets so hot, the ground turns into liquid. Even though the ground is heavy, the plates continue to move and that can cause earthquakes and volcanoes. If you look at South America, it looks like it could fit like a puzzle piece into Africa.īecause of the way the ground broke, it created plates. All of the continents used to be just one big piece of land, but the land broke up and floated away and created the 7 continents we have now. The earth has “plates” and when two plates hit each other, one goes under and becomes “molten” that means it gets so hot, the ground turns into liquid. The volcano which often erupted called active volcano. The eruption can bring the stones and ashes out, and the lava can flooded around 90 kilometers. The temperature of lava is about 700-1.200☌. Magma which comes out from the earth called “Lava”. The temperature is about more than 1.000☌. Magma is a very high-temperature incandescent fluid which is in the layers of the earth. Volcano eruption is a natural disaster caused by sedimentation of magma in the center of the earth which pushed out by the high-pressure gas.