Synopsis

The story of North America since the first humans arrived is one of profound change. Abundant natural resources—gold, oil, and many others—have allowed people to reshape the landscape in ways rivaling the geological forces that formed it. Yet, the earth itself may yet dictate a new course for the continent. The Cascadia fault line in the Pacific Northwest harbors the potential for a cataclysmic earthquake and tsunami, while the supervolcano beneath Yellowstone threatens to devastate a vast swath