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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.
An volcanic eruption is a place where hot melted rock called magma rises from deep inside the earth and erupts as lava out of the earth's crust. The world has three main types of volcanoes: Shield, Cinder, and Composite. The volcanoes in the Hawaiian Islands are Shield type volcanoes with long gentle slopes.fter many thousands of eruptions over a long period of time, the volcano mountains eventually grow to rise above the ocean to become islands. This is how the Hawaiian Islands were made. Here is a diagram of recent lava flows from the Kilauea volcano on the Big Island on February 4, 2011.