Stratovolcano

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    In 79 CE, August, Mount Vesuvius had a significant eruption, that went on for nineteen hours, burying an ancient Roman city for seventeen centuries. This city was near the modern Naples within the Italian Region of Campania. The buildings and many of the people were buried and lost until the discovery made in 1738. This city is known as the lost city of Pompeii. Mount Vesuvius is a stratovolcano that consists alternate layers of ash and lava. Stratovolcanos have two types of eruption, one type where it produces mostly ash and cinders, second type where it produces lava. Mount Vesuvius is said to be a hundred of thousands years old. The volcano has a record of 50 over eruptions, with its most significant eruption in 79 CE. The city of Pompeii was a beautiful city. Pompeii was a wealthy Roman trading town, known for its fish sauce and grandvillas. The city had a great system for the control and distribution of water as well, flowing from a great reservoir through underground…

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    Mt. Fuji Research Paper

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    Mt. Fuji is a Basaltic Stratovolcano. This volcano was “Born” from the base of Mt. Komitake about 100,000 years ago. The volcano that is today was formed over 2 generations of volcanic activity turning the “old” Mt. Fuji into the “new” Mt. Fuji. In 1707 was has been the latest eruption, or at least until now. In the 1707 there was an Edo Period, is caused an explosive eruption that created the Hoei crater and volcanic ash formed a vast volcanic plane to the eastern side of the mountain. Since…

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    The great Crater Lake in Oregon was once a stratovolcano named Mount Mazama. Mount Mazama had a very catastrophic pyroclastic eruption that produce about 12 cubic miles of magma. The Mount Mazama volcano has been recorded as one of the largest volcano eruption that has taken place in the last 10,000 years. The Mount Mazama volcano was one of the major volcanoes at the Cascade Range. The range of Mount Mazama’s summit was roughly between 11,000 and 12,000 prior to its climatic eruption. The…

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    Mt. St. Helens is a stratovolcano part of a group of volcanoes called The Ring of Fire. These are created from the convergence/subduction between the Juan De Fuca plate and the North American plates. Its most common type of eruption is intermediate eruptions, which is what the composition was in its most recent eruption. Mt. St. Helens most recently erupted on May 18, 1980. An earthquake right under the mountain caused an enormous landslide/avalanche going close to 150 mph. A huge hazard from…

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    Mount ST. Helens The eruption of Mount ST. Helens changed people’s lives because it destroyed everything in its path. The volcano erupted at 8:32 a.m. on May 18, 1980. The eruption caused snow on the mountain to melt and the snow flooded the roads and bridges. The eruption sprayed a thick layer of volcanic ash over a huge area. If you do not know what Mount ST. Helens is, well it is a volcano that erupted in the year 1980. Mount ST. Helens is located in the Cascade mountain ninety-five miles…

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    Have you ever heard of the volcano called Mount St. Helens? You probably have since it is a very well known volcano, but if you haven’t, then I will tell you all you need to know about the volcano. Mount St. Helens is a stratovolcano. Stratovolcanoes are also considered to be a composite volcano. Composite volcanoes are the type of cone-shaped volcanoes. Mount St. Helens is made up of layers of hardened lava and rock fragments, because it is a composite volcano. Mount St. Helens has had many…

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    Mount Tahoma is the highest mountain of the Cascade Range of the Pacific Northwest, and the highest mountain in the state of Washington. It is a large active stratovolcano located 54 miles (87 km) south-southeast of Seattle .It is the most topographically prominent mountain in the contiguous United States and the Cascade Volcanic Arc, with a summit elevation of 14,411 ft. The most recent recorded volcanic eruption was between 1820 and 1854, but many eyewitnesses reported eruptive activity in…

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    Mount St. Helen's is an active stratovolcano in the Cascade Range in Skamania County, Washington and is part of the Ring of Fire centered around the Pacific Ocean. Mount St. Helen's was created when the oceanic Jean de Fuca plate subducted beneath the North American Plate and has a long history of eruptive periods followed lengthy dormancies. Her volcanic activity was marked by thousands of years of lava and pyroclastic flows only to fall silent and then reawaken to begin her destructive cycle…

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    Lassen Volcanic’s geology is very interesting. The terrain has been influenced from many different natural occurrences from 25,000 to 18,000 years ago. Referring back to the May 22, 1915 eruption, the active volcano created a great deal of devastation and depressions; known as the Devastated Area. The devastation caused has an area of three square miles. Volcanoes are common at Lassen. In fact, Lassen is home to all four types of volcanoes, which are shield, cinder cone, plug dome, and…

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    Obsidian Research Papers

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    Obsidian can be found in countries where eruptions have occurred such as the United States, Turkey, Scotland, Peru, New Zealand, Mexico, Kenya, Japan, Italy, Iceland, Guatemala, El Salvador, Greece, Georgia, Chile, Canada, Azerbaijan, Armenia, and Argentina. Obsidian is volcanic lava that has cooled and is often referred to as volcanic glass. The name obsidian originated from a Roman named Obsius, a man who discovered a gemstone very similar in nature to obsidian. Its black, glassy, shiny and…

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