Introduces the origins, causes, and destructive effects of earthquakes.

Learn about earthquakes and volcanoes and how the earth's surface is always changing.

"Become an eyewitness to the weird and wonderful ways of our world, from tsunamis to tornadoes, and discover nature's awesome potential with this Eyewitness guide. See how earthquakes, floods and hurricanes affect what lies in their path, and what measures we can use to protect ourselves from Mother Nature. Follow the journey of some of the most catastrophic disasters, and witness the rescue operations that followed. Learn, too, about the equipment...