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Created with Fabric.js 1.4.5 What is a volcanoe? Now That's Hot What happens inside a volcanoe A mountain that opens downward to a pool of molten rock below the surface of the earth.Pressure builds up, and eruptions occur.Gases and rock shoot up through the opening and spill over or fill the air with lava fragments. What is a pyroclastic flow? A fluidized mixture of solid to semi-solid fragments and hot, expanding gases that flows down the sides of a volcano.Heavier-than-air emulsions that move much like a snow avalanche. they are fiercely hot, contain toxic gases, and move at phenomenal, hurricane-force speeds. They are the most deadly of all volcanic phenomena. Volcanoe warning system Cover your mouth and nose. Volcanic ash can irritate your respiratory system. Wear goggles and protect your eyes. Keep your skin covered. Clear roofs of ash, because the ash is very heavy and can cause the building to collapse. After a Volcanoe What are the different types of volcanoes? Volcanoes are grouped into four types: cinder conescomposite volcanoesshield volcanoesand lava volcanoes. Volcanoes affect people in many ways,some are good, some are not.Some of the bad ways are that houses,buildings, roads, and fields can get covered with ash. As long as you can get the ash off (especially if it is wet),your house may not collapse, but often the people leave because of theash and are not around to continuallyclean off their roofs. If the ashfall is reallyheavy it can make it impossible to breathe. Code warings durning volcanoe eruption. On May 18, 1980, Mount St. Helens erupted. It's located in southwestern Washington State in the Cascade Range. The blast was heard as far away as Montana, Idaho, Canada and California. Fifty-seven people died and the eruption caused $1.2 billion in damage. When did Mount St. Helens erupt? Because volcanic ash is abrasive, people typically experience eyediscomfort or irritation during and after ash fall, especially among those that use contact lenses. Commonly reported symptoms of ash include:eyes feel as though there are foreign particles in themeyes become painful, itchy or bloodshotsticky discharge or tearingcorneal abrasions or scratchesacute conjuctivitis or the inflammation of the conjuctival sac that surrounds the eyeball due to the presence of ash, which leads to redness, burning of the eyes, and photosensitivity Volcanoe effects How many volcanoes are there?There are more than 1500 active volcanoes on the Earth. We currently know of 80 or more which are under the oceans. Active volcanoes in the U.S. are found mainly in Hawaii, Alaska, California, Oregon and Washington. How many volcanoes are there? The world's largest, active volcano is Mauna Loa in Hawaii, where famous coffee is grown in the rich volcanic soils. Mauna Loa is 13,677 feet above sea level. From its base below sea level to its summit, Mauna Loa is taller than Mount Everest. The 1815 explosive eruption of Tambora volcano in Indonesia and the subsequent caldera collapse produced 9.5 cubic miles (40 cubic kilometers) of ash. The eruption killed 10,000 people. An additional 80,000 people died from crop loss and famine. A deadly eruption
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