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Benefits of Volcanic Eruptions Volcanic eruptions present various dangers to humans and to wildlife habitats. But volcanoes also provide benefits to humans and to the environment. These benefits include fertile soils, a renewable energy source, and construction materials.ey Concept The effects of volcanic eruptions can change human and wildlife habitats. â¢ Volcanic eruptions can cause the loss of human life and the devastation of wildlife habitats. â¢ Volcanic eruptions can cause the average global temperature of Earth to decrease.
A volcanic eruption is defined as a discharge of lava and gas from a volcanic vent or fissure. Volcanoes spew hot, dangerous gases, ash, lava, and rock that are powerfully destructive. The most common consequences of this are population movements, economic loss, affected people and deaths.he economic loss caused by major volcanic eruptions varies from 1,000 million U.S. during the volcanic eruption in Colombia, November 13, 1995, to 80 million U.S. dollar caused by the volcanic eruption in Japan in 1945.