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…and distribution of many volcanic eruptions and earthquakes. It has also provided initial data which can provide regional warnings of such natural disasters. Projections suggest a global population of more than 10 billion for the beginning of the next century. From…

…, the effects on both cultural and natural environment, and effects on humans of the most famous volcanic eruption in Washington State of Mount St. Helens. Mount St. Helens is a Stratovolcano. Stratovolcanoes are formed by the gathering of lava and tephra…

…of volcanic ash are blasted into the air forming a plume of ash. As it cools down it falls back to the earth, covering vast areas with a layer of ash. The current eruption of the Soufrière Hills Volcano started on 18 July 1995 and is still continuing in 2003…

…. Among these, the enormous volcano, Mauna Loa covers the large area of the island. Though this huge volcano erupts less frequently, its past history, recent eruption and for its significance as the largest volcano on our planet made Mauna Loa a center…

…to the surface of the earth and causes an eruption. The first sign of volcanic activity happened on March 27th. On March 20th, there was a minor earthquake which measured 4.1 on the Richter scale. There were many more tremors until the 27th of March when…

…of irregular volcanic activity. Klein noted that extraordinary technical achievements were needed in order to make the expedition. "People truly thought it could not be done," said Klein, author of a perspective on the Gakkel Ridge expedition and its findings…

…for hundreds and even thousands of years. However, even a small volcano can produce an eruption large enough to devastate entire villages. Two of them- Huascaran and Nevado del Ruiz- showed just how much destruction they were capable of producing in two…

…. The first of a series of small phreatic explosions occurred on March 27, accompanying the opening of a crater northward at the summit of the cone. Strong seismicity continued, at times bursts of deep volcanic tremor was felt statewide in early April but died away…

…to, and those during this destructive event . From these investigations, Sigurdsson found that there had been volcanic activity prior to the major eruption. Small tremors had been occurring since early August and the wells and springs had dried up. Though…

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