This document provides information and guidelines about earthquake preparedness and safety. It defines an earthquake as a sudden, violent shaking of the ground caused by movements within the earth's crust. Possible effects include fires, tsunamis, and landslides. It recommends storing emergency supplies and conducting drills at home. During an earthquake, it advises moving to a safe spot indoors and staying away from hazards outside. After an earthquake, people should check for injuries, damage and be prepared for aftershocks while keeping lines clear for emergency responders.