............................................ 9 OUTLINE PAGE I. Introduction Volcanic Eruption is harmful because it causes massive destruction to a place‚ suffocation and death. II. Body A. Definition 1. Produced by a volcano 2. Potentially explosive 3. Vent in the Earth’s crust B. Causes 1. Gases 2. Fragmental materials 3. Magma reaches heated area C. Effects 1. Destruction 2. Suffocation 3. Death D. Preparation
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gentle streams called lava flows or erupt violently into the air. Rocks ripped loose from the inside of the volcano or torn apart by the gas may be shot into the air with the lava. These rocks are blown out of a volcano and are called volcanic bombs. Along with these bombs dust‚ ash‚ lava and cinder are released into the air. Volcanic activity is classified by how often a volcano erupts. A volcano may be active‚ dormant‚ or extinct. Active volcanoes erupt constantly. Dormant volcanoes are inactive‚ but
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also known as Mount Calayo (/kəˈlɑːjoʊ/‚ literally "Fire Mountain") is an active volcano on the island of Mindanao in the Philippines. It is 4.5 kilometres south of the city of Valencia‚ province of Bukidnon‚ and 81 km southeast of Cagayan de Oro City BACKGROUND The low cone is grass-covered and andesitic-to-dacitic in composition. Musuan last erupted in Dec 1886‚ as a Jesuit priest reported who visited the volcano 4 years later in 1891‚ at which time there was still strong fumarolic activity‚ which
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As a volcano becomes active‚ it gives off numerous warning signs that are picked up by volcanologists; hundreds of small earthquakes are caused as magma rises through cracks in the earth’s crust‚ temperatures rise as activity increases and the volcano will start to release gases. The techniques available for predicting and monitoring volcanic activity are becoming increasingly accurate‚ and many volcanoes are constantly being monitored‚ such as Mount Etna. Anyone sharing a region with a volcano should
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with flow with high velocities. The pyroclastic flow that was seen at the eruption of Mount St Helens‚ USA in 1980 was a result of dense gas and ash combinations. It travelled a total of 25km north of the volcano and had a top temperature of 700’c. The flow was slowed down by ridges around the volcano but it contributed to a $450 million in damages to forestry. Tephra – the solid material that is ejected in a volcanic eruption of varying grain size (these can be volcanic bombs or ash) can often be
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“The Eruption of Mount St. Helens” On May 18th‚ 1980‚ in Washington State‚ the volcano‚ Mount St. Helens erupted. This eruption caused widespread terror throughout the towns surrounding the mountain. The magma from the volcano burned up the forest and killed most of the animals in the area. It affected the wildlife greatly because‚ after the eruption‚ the ecosystem was burned and smoldered thus killing thousands of animals in the region. This eruption was the deadliest of all the volcanic activity
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her. Kailani and Kiwi then get into a car‚ and drive off to the first volcano located on their map. At first‚ she can’t find the volcano and she wonders to herself‚ “Are we going the wrong way Kiwi?” Kailani then stops the car‚ and looks again closely at her map. She then realizes her mistake! She located the most famous tourist attractions instead of the volcanos. Noticing her mistake‚ Kailani starts locating every volcano there is in Maui. Finally‚ she gets a list of names and locations. Now
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Caribbean. There is a volcanic area located in the south of the island‚ called Soufriere Hills. The volcanic peak in this area is called Chances Peak‚ which had been dormantdormant: A volcano is classed as dormant when it is temporarily inactive but not fully extinct. for over 300 years. Then in 1995‚ the volcano began to give off warning signs of an eruption (small earthquakes and eruptions of dust and ash). Once Chances Peak had woken up it then remained active for a period of five years. The
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result from the different types of eruptions. Volcano Type Volcano Shape Volcano Size Volcano Materials Eruption Type UTAH example Cinder Cone Steep conical hill with straight sides Small less than 300m high cinders Explosive Diamond Cinder Cone‚ Washington County Shield Volcano Very gentle slopes; convex upward (shaped like a warrior’s shield) Large over 10s of kms across fluid lava flows (basalt) Quiet Cedar Hill‚ Box Elder County Strato Volcano Gentle lower slopes‚ but steep upper slopes;
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wasn’t a name for volcano? Well thanks to the huge eruption in Pompeii a name was created‚Οὐεσούιος. This is because no one in their area was experiencing volcanic eruptions. Therefore‚ when the Volcano called Mt. Vesuvius was showing signs of eruption‚ the people didn’t know because no one was alive to see or be around for the last eruption of Mt. Vesuvius. Pompeii’s volcano Mt. Vesuvius showed many signs of eruption‚ but no one knew it was going to erupt. But the volcano was showing signs
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