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…Few natural forces are as spectacular and threatening, or have played such a dominant role in shaping the face of the Earth, as erupting volcanoes. Volcanism has built some of the world's greatest mountain ranges, covered vast regions with lava (molten…

…. Volcanic eruptions in populated regions are a significant threat to people, property, and agriculture etc. The danger is mostly from fast, hot flows of explosively erupted materials, falling ash, and highly destructive melting lava flows and volcanic debris…

…to largest size particle). Volcanic dust consists of particles less than one one-hundredth inch in diameter. Volcanic dust can be carried for great distances. In 1883, the eruption of Krakatau in Indonesia shot dust 17 miles into the air. The dust was carried…

…. The lava may flow out as a viscous liquid or it may explode from the vent as solid or liquid particles. Kinds of Volcanic Materials         Three basic materials that may erupt from a volcano are; 1. lava, 2. rock fragments, and 3. gas…

…The two case studies I chose for my paper are the Mount St. Helen and Mount Pinatubo volcano eruptions. In this paper I will compare and contrasts the two volcanic eruptions on an individual, economic, and globally implications. The Mount St…

…, Rainier, and Mt. Hood, it will erupt again. In the future the eruptions will probably happen more often from vents on the summit and upper sides of Mount Adams than from vents scattered in the volcanic fields beyond. Large landslides and lahars that don’t need…

…-explosive lava emissions to extremely violent explosive bursts that may last many hours. The types of eruptions determine the relative volumes and types of volcaniclastic material and lava flows, consequently the shapes and sizes of volcanoes. A volcanic event…

…of which left their deposits in the city area. Napoli also has a small volcanic center in its southwest region. Though many assume these volcanic centers are inactive; there is no reason to assume this. More large eruptions are actually expected at Campi…

…(population 696 ). Many large earthquakes occurred before and during the 1912 eruption, and the cluster of Katmai volcanoes remains seismically active. Most at risk from future eruptions of the Katmai volcanic cluster are (1) air-traffic corridors of the North…