Explore the theory of place tectonics and learn how volcanoes develop, including 1,500 active sites around the world today. See how volcanic eruptions created the Hawaiian Islands and destroyed the island of Montserrat. Monitor Mexico's Paracutin volcano. Witness the devastation of Mt. St. Helens. Take a terrifying, but fascinating, look at these violent forces that shape our planet.

Over the last 4000 years, more than 13 million people have been killed by earthquakes and the fires, landslides, floods that come with them. This program highlights certain events and illustrate how these forces are often interdependent and why they have such power and magnitude.