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…watches as the volcano erupts and spews ashes over her town. Since the 1997 eruptions, villages near the volcano continuously experience dangerous ash dusting whenever the volcano spits magma from beneath the earth’s surface. Sometimes, volcanic pebbles…

…. The Earth's crust, on which we live and depend on, is in large part the product of millions of once-active volcanoes and tremendous volumes of magma that did not erupt but instead cooled below the surface. For example, volcanic ash blown over thousands of square…

…on December 21, 1994. Fig. 4. Popocate’petl Volcanic Ash Plume (from CIMSS, 1997) Present Eruptions…

…of the Pacific Ocean Basin( Layman’s). Volcanic eruptions are linked to the slow grinding of the continent-sized plates drifting across the surface of our planet which float on top of a softer underlying mantle. >From the Pacific coast of Asia to the Pacific…

…environment and safety. These rapid changes are known as natural disasters. These include earthquakes, volcanic eruptions, typhoons (hurricanes), tsunamis, floods, droughts, fires, and other events which are indications of interactions of mass and energy…

…ways of monitoring a volcanic activity: tilt meters, surveillance by satellite, and seismographic monitoring. More frequent gas emissions and various squeaks, groans, belches, and wheezing noises can also warn of a coming eruption. Hazard maps can also…

…years. The volcanic activity's pollution only covered parts of the sky since eruptions did not take place continuously around the world. As plants began dying, herbivorous animals thinned in population. Conditions failed to improve since acid rain…

…The animation shows what has been called the plinian stage of a volcanic eruption. It is named after Pliny, a Roman soldier who sailed into the port of Stabiae to try to help some of the people fleeing the volcano. During the plinian stage, dust, ashes…

…" movie. USA Dante’s Peak is of course, not a real Cascade volcano. When volcanoes in the Cascade Ranges erupt they frequently do so explosively and produce pyroclastic materials, ashes and mud or debris flows. Near a volcano, the falling volcanic ash is quite…

…is still active and had its last eruption in 1961 and it is 350 km from the ridge These can be seen on the diagram below(Fig 2). On these sites around the world various things occur, they included, volcanic eruptions, sub-marine lava flows and possible hills…