Volcanoes Essay: Is It about Volcanoes or Volcanic Eruptions?

Volcano is an important part of the earth system. Most of the Earth 's atmosphere, water, and crust are carried by volcanoes, and volcanoes continue to collect Earth' s substances. Volcano eruption is common. Everywhere on the planet, more than a dozen people occur frequently and there are 100 occurrences in a year (Loughlin et al., 2015). Volcanic topography and volcanic emissions are diverse, reflecting the large and complex nature of the interaction process controlling magma production, storage, rise and eruption. The volcanic eruption is influenced by the tectonic setting, the nature of the crust, the history of the volcano. However, the method of volcanic eruption varies widely, but volcanic eruptions are controlled by a common set of physical and chemical processes.

Super volcano is a volcano that can cause volcanic eruption of 1000 km 3 or more. This is huge when compared to normal volcanic eruptions (1 km 3 volcanic material spewing from Mount St. Helens). Super volcanoes differ from ordinary volcanoes in that they form cavities called caldera. The caldera is usually surrounded by higher ridges and is less frequent occurrence. This video explains the basics of super volcano and introduces the potential impact of Yellowstone (video). If the yellow stone occurs again, the magma will be thrown into the 50 kilometer atmosphere and almost all life exceeding 1000 kilometers will be killed by falling ash, lava flow and volcanic eruption. More than 1000 km 3 of lava flows down from the volcano and is thick enough to cover the entire US 12.5 cm