a super volcano. Super Volcanoes: Super volcano? that sounds a bit fictional. But there is such thing. A super volcano refers to a volcano that produces the largest and most voluminous eruptions on earth. The explosivity of these eruptions vary‚ yet the sheer volume of magma that will be emitted is great enough to radically alter the landscape and severely impact global climate for years‚ with a catastrophic effect on life. What makes a super volcano different to a normal volcano? A super
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Katla‚ is a sub-glacial volcano. The caldera of the Katla volcano has a diameter of 10 km (6.2 mi) and is covered with 200–700 meters (660–2‚300 ft) of ice. The peak is about 1512 m / 4‚961 ft high. Twenty eruptions have occurred between 930 and 1918‚ at intervals of 13–95 years or by some estimates 40- 80 years.The last eruption was in1918. Katla has not erupted for ninety-nine years. However‚ since May 2012‚ the large volcano has become restless. Today‚ November 29‚ 2016 a
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that opened three craters on the north flank of the volcano. thousands of small earthquakes occurred and many tons of gas were also emitted by the volcano. from june 7 to june 12 the magma reached the surface of mount pinatunbo. because of the gas pressure the magma erupted out with an amazing strength but did not cause an explosive eruption because it just formed a lava dome. on june 12 tons of gas charged magma reached the top of the volcano and erupted with the very first proper eruption. when
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Fuji could have lived in constant fear hoping that Mount Fuji wouldn’t erupt. Its last eruption was December 16‚ 1707- January 1‚ 1708 still an active volcano today. Mount fuji was present about 10‚000 years ago. Mount Fuji is a symbol of Japan and it’s a inspirational modern art. Mount Fuji has made an impact on people and wildlife. This volcano is was formed from repeated lava. Mount Fuji is an active stratovolcano made up of 2 other volcanoes.
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deadly‚they are spectacular reminders of the dynamic forces that shape our planet. Volcano - a fissure or vent through which molten rock material‚ or magma‚ and gases from the interior of the Earth erupt on to its surface‚ and the landform which is produced as a result of this eruption. The word "volcano" comes from Vulcano‚ one of the volcanic Lipari Islands in the Mediterranean Sea‚ and the place where‚ according to Roman mythology‚ Vulcan
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Explanation Writing- Volcanoes Cinder cone Cinder cone is a cone shaped volcano A cinder cone or scoria cone is a steep conical hill of loose pyroclastic fragments Cinder cones are the simplest type of volcano They are built from particles and blobs of congealed lava ejected from a single vent. Cinder cones tend to be small‚ like hill-sized volcanoes When lava that is in cinder cone is highly charged with gas bubbles erupts from a vent under pressure‚ it tends to shoot straight up into the air
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something like the volcano that is thought to have killed all but 15‚000 members of the human population 74‚000 years ago is underneath the U.S. as I speak? “Lucky for all of us humans‚” we may have to face another volcano like this soon‚ since there is a historically destructive one in Yellowstone National Park. The volcano that possibly killed a majority of the human species and the volcano that currently resides in Yellowstone are both a special kind of volcano called a super volcano‚ which you will
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Introduction There are over 20 active volcanos left in the world today. Have you ever wondered or learned about what causes a volcano? Volcanic eruptions can be a huge deal for the environment and the people around it. What causes do volcanos have on the environment and what cause does it have on the people? Well the truth is‚ the causes of active volcanos there are today‚ do have effects on its surroundings. What is a volcano‚ and what causes it to erupt? Volcanoes occur at weak points in the
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the volcano sits far below the ocean’s surface‚ even a major eruption may not be detected from above. Nonetheless‚ care must be taken when exploring areas surrounding a submarine volcano. Since 1650‚ when the Kolumbo submarine volcano erupted‚ killing at least 70 people on the nearby Greek island of Santorini‚ submerged volcanoes have been known to be deadly. Submarine volcanoes‚ as the name suggests‚ are volcanoes that sit under water on the ocean floor. The biggest underwater volcano is
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some volcanoes more hazardous than others? There are several reasons that influence volcanic hazards‚ these include the viscosity of the magma‚ proximity to population centres‚ materials that are ejected from the volcano‚ the magnitude of the eruption and the plate margin that the volcano rests upon. The viscosity of the magma depends on 3 things‚ the temperature‚ dissolved gasses and the chemistry involved in the magma. These factors produce 2 main types of magma called acid and basic. The acid
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