Volcanoes Essay

Volcanoes Essay

Volcano is an opening in Earth's surface through which lava, boiling gases, and stone fragments erupt. Also known as an opening, which forms when melted rock from deep within Earth blasts through the surface. Volcanoes are very enormous in width as well as length. Most volcanoes are mountains, which were built up around the opening by lava and other materials thrown out during eruptions. Without a doubt volcanoes provide necessary services to nature in the world. The eruption of lava constructs land to the earth and seafloor, and volcanic products provide abundant soil for agriculture. Some scientists even theorize that the action of volcanoes brought life-giving water to the earth's surface eons ago, allowing life to spring forth. Throughout centuries, volcanoes have played an amazing role in the history of our planet, vegetation and our species. Volcanoes also are known to be the main causes of many casualties and terrible and devastating fires and can eradicate an entire neighborhood in hours.

Today known the biggest volcano is Mauna Loa on the island of Hawaii. The base of Mauna Loa rises from the sea floor five kilometers to sea level, then another four kilometers above the sea, making Mauna Loa from base to summit nine kilometers high. Mauna Loa last erupted in March and April 1984.

Eruptions of volcanic mountains are one of its amazing highlights. During various eruptions, huge fiery clouds rise over the mountain, and Reddish/yellowish Rivers of lava rush forward along its sides. In some other eruptions, red-hot ash and cinders shoot out the mountaintop, and huge chunks of hot rock are blasted high into the air. In some cases eruptions have been notorious in acting so ferociously to facilitate the potency in blowing an entire mountain apart.

Most people have always been both fascinated by the extravagantness of volcanic eruptions and frightened of their power. Eruptions have caused some of the worst disasters in...

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Volcanoes Essay

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Volcanoes Essay

Volcanoes are conical structure built by discharge of lava. The dome- shaped structures not only have increased beauty of the nature and make it look magnificent but on the other hand they are extremely dangerous as they contribute to create huge catastrophes. As an illustration, the word volcano is originated from the name Vulcan, which means the god of fire in Roman. Centuries ago people believed that the eruption of volcanoes are a supernatural for instance, in Polynesia, there is a peak called Pele’s peak where people thought that the eruption was caused whenever, Pele the god of volcanoes were angry. All the misconception was because people were living a centuries of blindness where technologies weren’t used and people believe on what they heard but today with the advance of technology and intellectualism we know that volcanic eruptions are not super natural, but are the form due to the
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Volcanic eruptions may create lanscapes such as, mountains, plateaus, plains and fertile fields, but on the other hand it may also destroy landscapes. Moreover, volcanoe is a vent which magma divulges due to the pressure on the earth’s surface. Researches have shown that on average, for every cubic kilometer of magma erupts from a volcano as a result 3 to 10 cubic kilometers of molten rock stores in a large underground pool beneath the surface, which is called magma chamber. The molten rock in chamber is suppressed with great amount of pressure, which eventually breaches the rock because it is dense that the surrounding of the rock and makes its way up to the surface of the earth. When the magma erupts from volcano then it’s called lava.
Basically, volcanoes can be found in places where the tectonic plates are diverging or converging. For instance, a good example of a diverging tectonic plates, which in other words the tectonic plates move apart and new ocean is produced, can be the Mid-Atlantic Ridge and volcanoes which are formed by the convergent tectonic plates can be the Pacific Ring of Fire.

Volcanoes look the same as mountains but are completely different due to its formation. As an illustration, mountains forms by movements of the earth’s tectonic plate and some are formed due to the erosion of volcanic...

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Volcanoes Essay

865 words - 3 pages Affects of Volcanoes      The plates which are about 20 miles thick, make up the earth's crust and are a chief cause of volcanic activity. These plates are always in motion. They move very slowly, however some at times bump in to each other. These movements put a lot of pressure on the surface rock. Volcanoes obtain their energies from such movement and pressure. Volcanoes form at the boundaries of these plate where two...

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588 words - 2 pages The risk of living near a volcano is obviously very high, but these risks are calculated. People don't live on the side of a volcano because of the thrill, there is much more to why people do it.The dangers of living so close to an active volcano can be catastrophic, lava flows, lahars, and pyroclastic flows can all be devastating, so why then do people do it, people...

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