Watch Full Movie Online. When a volcano expert becomes convinced that a cataclysmic natural disaster is about to unfold, a volcanologist Professor John Shepherd and his graduate students believes that recent unexplainable volcanic activity as all of the volcanoes in the world are going to erupt and kill every living thing on the planet! They try to convince the government that their theory is true not a joke while also trying to figure out how to stop it before time runs out!