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The Lake Nyos disaster was a carbon dioxide eruption that killed over 1,700 people in Cameroon on Aug. 26, 1986. Carbon dioxide trapped near the bottom of Lake Nyos rose to the surface and escaped into the atmosphere, su... More »

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The Oshima volcano is located in Japan, its primary volcano type is stratovolcano, and its last know eruption was in 1990. Its latitude is 34.724°N, its longitude is 139.394°E. It has an elevation of 2486 feet. More »

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Pyroclastic material is the mixture of hot rock, ash and lava fragments that are thrown from the vent of a volcano during an eruption. Pyroclastic material typically moves away from the vent at a rapid rate of speed carr... More »

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The eruption of Mt. Vesuvius in 79 A.D. destroyed the Roman city of Pompeii and the volcano continues to threaten the inhabitants of modern-day Naples and neighboring communities in southern Italy. The 1st-century erupti... More »

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According to the UCSB Geology Department, a volcanic eruption is defined as a volcanic event resulting in the emission of gases, lava, ash or other material from a volcano. These can manifest as a single eruptive pulse, ... More »

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The biggest volcano eruption in the world's history occurred 250 million years ago when a supervolcano called the Siberian Traps erupted. This explosion was so violent that scientists believe it led to the extinction of ... More »

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A fissure volcano, or fissure vent eruption, occurs when lava erupts through an elongated break in the rock at the surface of the earth. Fissure vent eruptions are common in the mid-ocean ranges. Also known as shield vol... More »

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