Have you ever been in an earthquake? If so, then you will know that this powerful force of nature can literally jolt a person right out of bed. In this title, readers will learn everything they've ever wondered about earthquakes. How do they form? Why do they form? What are fault lines and how do they relate to earthquakes? Readers will learn about the latest science and technology regarding measurements of seismic activity and how these measurements are used to try to keep people safe. Each book in the Facing the Weather series provides interesting information about storm fundamentals, history's most extreme storms, and how scientists study and predict these weather events. Readers will be amazed learning about the most extreme weather on our planet.