Wednesday, March 25, 2009

Vents


Every mud hot spot, geyser, and hot lake is heated by the caldera under the earth. There are hundereds of vents that let heat but not magma escape to the surface. As pressure builds up and water vaporates geysers ejects boiling water and the mud hot spots boil. All the heat is created from the enormous magma caldera deep beneath the earths surface.

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