CINDER CONE VOLCANO The cinder cone volcano‚ commonly found in volcanic areas‚ are constructed of rocks and ashes. Gas created from the lava is blown into the air which then “cools and solidifies as small rocks or cinders”. Cinder cone eruptions “take place in basaltic volcanic fields” that immensely effect the human population surrounded by it. Cinder cone eruptions majorly impact the environment by distributing volcanic gases‚ volcanic landslides and blasting tephra. One of the long-term impacts
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The movie “Volcano” was about an active volcano forming into the city of Los Angeles‚ California. The evaporating of harmful gases‚ earthquakes‚ and some evidences from the manhole are the manifestations showed that an underground volcano was forming under the city. This means that there was already lava under the city and the ground cannot take the pressure anymore so it formed a volcano. The physical changes in the movie are the breaking of glasses from buildings‚ breaking of buildings
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A Look Into Volcanoes By: BJ E-mail: Bran18@aol.com I. Introduction Volcano: defined is a mountain or hill formed by the accumulation of materials erupted through one or more openings (called volcanic vents) in the earth ’s surface. The term volcano can also refer to the vents themselves. Most volcanoes have steep sides‚ but some can be gently sloping mountains or even flat tablelands‚ plateaus‚ or plains. The volcanoes above sea level are the best known‚ but the vast majority of the
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form which then rises through cracks and erupts to form volcanoes. As volcanoes move away from a hotspot‚ they start to erode and become inactive. Maui is the third oldest volcano of the main Hawaiian islands and could still erupt one more time. Haleakalā or the East Maui Volcano is also a shield volcano or a broad‚ domed volcano with sloping sides. It forms more than 75% of the Hawaiian Island of Maui and has an alert level of “normal.” The last time Maui erupted was in the 17th century‚ but even
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Saint Helen’s Volcano‚ part of the cascade mount range‚ is associated with the subduction zone of the Juan du Fuca plate into the North American plate‚ as is most of the volcanism in this mount range (USGS Geology & History). The eruption intensity is normally quite explosive but Mt. Saint Hellen’s has experienced the peaceful one on occasion (USGS Geology & History). With frequent eruption every couple hundred years (rough estimate at best)‚ Mt. Saint Helen’s is the most active volcano of the Cascade
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clear Sunday morning of May 18‚ 1980. Seconds later‚ Mount Pinatubo is part of a chain of composite volcanoes along the Luzon arc on the west coast of the island (area map). The arc of volcanoes is due to the subduction of the Manila The volcano experienced major eruptions approximately 500‚ 3000‚ and 5500 years ago. The events of the 1991 Mount Pinatubo eruption began in July 1990‚ when a magnitude 7.8 earthquake occurred 100 kilometers (62 miles) northeast of the Pinatubo region‚ determined
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helping to improve our environment/earth. Nowadays‚ people don’t see difference between “active volcano” and “Holocene volcano” or they don’t understand it. When people say a volcano is “active”‚ they are using the term wrong. Scientist says that‚ “...it is misleading to restrict “active volcano” to recorded human memories: we prefer to add another identifying word (“historically active” or “Holocene volcano”).” (Source 1: How Many Active Volcanoes Are There?). People are probably confused on what
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spots‚ which are pockets of magma beneath the crust that erupt onto earth’s surface. The Hawaiian Islands are actually the tops of really high volcanic islands that have formed over a hot spot on the sea floor. The main Hawiian island is actually a volcano that is about 9 km above the ocean floor‚ with a base that is about 160 km wide. Almost 4 km of this island is above sea level. Folded mountains Folded mountains make up some of the highest mountains in the world. Folded mountains commonly form
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Me and My Volcano Volcanoes exist all around the world. There are three types of volcanoes‚ they are shield volcano‚ cinder cone volcano and a composite volcano. A volcano is a place where ash‚ gases‚ and molten material rock from deep underground erupt to the surface. Lava comes out of a vent ‚ then it turns into a lava flow. When external waters‚ such as groundwater ‚ mixes with magma and then it turns into steam. The violence of an eruption depends on the amount of gas that was dissolved
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What makes a volcano hazardous? (40 marks) Within this essay‚ I will evaluate the features of volcanoes that define how hazardous they can be. Secondly I will discuss how ‘hazardous’ can be characterized in different forms such as‚ the effect a county physically‚ socially and economically as well as within both spacial and temporal constructs and how the perspective of hazardous can effect the perspective of how hazardous a volcano is. When looking what makes a volcano hazardous we have to
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