This makes the volcano’s summit about 17 km (56‚000 ft) above its base! The enormous volcano covers half of the Island of Hawaii and by itself amounts to about 85 percent of all the other Hawaiian Islands combined. Now let’s get to finding out about lava. Although‚ it is a little terrifying having an active volcano next to a big city like Hilo Hawaii‚ it also brings in money for the city. According to wikipedia “Hilo is the county seat of the County of Hawaii and
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Types of Volcano Research Composite Volcanoes: Composite volcanoes‚ also called strato volcanoes‚ are formed by alternating layers of lava and rock fragments. This is the reason they are called composite. Strato-volcanoes often form impressive‚ snow-capped peaks which are often exceeding 2500m in height‚ 1000sq.km in surface‚ and 400km3 in volume. Between eruptions they are often so quiet they seem extinct. To witness the start of a great eruption requires luck or very careful
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1792 Mount Unzen erupted which devastated Japan. Mount Unzen is a group of active overlapping stratovolcanoes. They are located on the island of Kyushu which is Japan’s most southern main island. Not only was the Eruption deadly but the Mayu-Yama Lava domes collapsed which triggered a Mega-Tsunami that killed nearly 15‚000 people. This was one of Japans worst volcanic disasters. The Volcano has been dormant for 198 years until the early 1990’s when the volcano became active and erupted again in
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of its summit changes with each eruption‚ and over the centuries a few lava flows have reached the coast. Over 1200 square meters of Etna ’s surface is covered with solidified lava. Etna offers skiing in the Winter months and breathtaking hikes in the woods during the Summer. There are also a number of smaller peaks on the slopes of Etna‚ and some interesting caverns. Since Etna is a strato volcano‚ with relatively cool lava temperatures and numerous openings (vents)‚ nobody ever knows precisely
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dishwashing detergent 4:- vinegar 5:- You can color the lava by adding food coloring or powdered drink mix Make the Chemical Volcano Erupt To cause an eruption‚ fill the bottle most of the way full with warm water. Warm water produces a better eruption than cold water because the higher temperature increases the rate of the chemical reaction that makes the lava. Add a squirt of dishwashing liquid‚ some food coloring to color your lava‚ and a few spoonfuls of baking soda. When you’re ready to
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charred hollowed out tip. As I watched‚ billows of white steam rose from deep within the ragged behemoth and were carried away on a ceaseless wind that mimicked an old locomotive. In the water‚ pillow lava crawled away slowly‚ angrily hissing and shooting yellow smoke into air and water. Exhaust from the lava invaded my nostrils with the pungent scent of boiled eggs infused with a tinge of earthy minerals. Such contrasting beauty of the impossible blue water‚ vibrant vegetation of deep to pale green‚ and
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of rock including sedimentary and metamorphic rock. Igneous rock is formed from the cooling and solidification of lava or magma. Igneous rock can be formed with our without crystallization‚ below the surface as intrusive rocks or on the surface as extrusive rocks. Volcanic rocks also known as extrusive igneous rocks include all the products resulting from volcanic eruptions of lava flows and fragmented debris called pyroclast. The other type of igneous rock would be plutonic rocks also called intrusive
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Another important aspect from the outside reference source mentioned above is that Vesuvius is a stratovolcano. What is a stratovolcano or what does it consist of? According to our text‚ “stratovolcanoes are tall‚ steep cones built of layers of felsic lava and volcanic ash.
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EFFECTS OF CENTRAL RIFT GEOLOGICAL FORMATION ON ECONOMIC ACTIVITIES a) Farming At the floor of the central rift‚ the volcanic soils that have been eroded from the top of the mountains like menengai‚ has been put into use through farming. There is wheat farming in Nakuru‚ maize plantations‚ Irish potato growing in the central rift due to fertile soils which support the growth of the crops. Also there is tea growing in Kericho as a result of its favourable physical factors such as climate‚ rainfall
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the hot lava fragments and clouds of dust erupting from Vulcano came from Vulcan’s forge as he beat out thunderbolts for Jupiter‚ king of the gods‚ and weapons for Mars‚ the god of war. 2. What is the difference between magma and lava? •Molten rock below the surface of the Earth that rises in volcanic vents is known as magma‚ but after it erupts from a volcano it is called lava 3. What are the main types of volcanoes? •cinder cones‚ composite volcanoes‚ shield volcanoes‚ and lava domes.
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