By manipulating the natural world in its vicinity on an enormous scale, the Ten-Tails is able to simultaneously create a variety of natural disasters that devastate the surrounding area, with itself acting as their epicentre. The phenomena involved in this technique include: earthquakes, floods, thunderstorms, and tornadoes. These concurrent events result in a blast akin to a nuclear explosion, even forming a vast mushroom cloud. It's overwhelming destructive power is also seen in that is capable of blasting away the Nine-Tails Chakra cloak with ease.
Tenpenchii (天変地異) is a Japanese four-character idiom, comprised of two shorter words referring to natural disasters affecting the sky, tenpen (天変), and natural disasters affecting the earth, chii (地異). The idiom is often translated simply as "cataclysm".