Here you can find answers to questions about why earthquakes happen, how they are studied, how the ground shakes during an earthquake, recent and historical information about earthquakes around the world, and how structures can be designed to withstand earthquakes.

Living in Southern California means living in Earthquake Country.  In this section you can find answers about the earthquake-related hazards we live with in Southern California, including strong shaking, liquefaction, and landslides. Information for people considering buying or renting property is also provided.

We know that there will be another major Earthquake in Southern California. We don't know when.  How can you be prepared for when the earthquake strikes?  Here you will find answers to questions about personal preparation as well as methods to protect belongings and buildings.