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A limnic eruption, which is sometimes known as a lake overturn, is a rare but deadly type of natural disaster that occurs when large amounts of dissolved carbon dioxide erupt from deep lake waters, suffocating livestock,... More »

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Volcanoes are important for many reasons, including benefiting nearby plants with nutrient-rich ash, providing rare species with habitats that are inaccessible to humans and livestock, and enriching the atmosphere with g... More »

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Volcanic eruptions mainly produce steam (H2 0 ), sulfur dioxide (SO 2 ) and carbon dioxide (CO 2 ). They do release other gases in lesser amounts, such as carbon monoxide (CO), helium (He), hydrogen (H 2 ), hydrogen chlo... More »

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The worst thing about living near a volcano is the possibility of it erupting, bringing about many negative consequences, such as earthquakes, lava flows, mud flows, flooding, pyroclastic flows, falling ash, carbon dioxi... More »

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A mainly basaltic type of lava is produced by Kilauea during a typical eruption. This extruded molten material is characterized by low concentrations of silica and high melting temperatures. Compared to rhyolitic lava, b... More »

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No two volcanoes are exactly the same, as they all have differences in dimensions of their mountains and craters, as well as their relative frequency and type of eruption. Volcanoes come in cinder cone, shield and strato... More »

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The most violent type of volcanic eruption is a Plinian eruption. This type can produce plumes of ash that are more than 30 miles high. More »

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