Robert Mallis David M. Perkins 1974 <p>What is the possibility that an earthquake will occur near you? Have you ever wondered what the chances were that an earthquake could affect you at home or at work? Perhaps you are planning to move to a part of the country subject to frequent earthquakes. How do you determine the relative likelihood that an earthquake will cause damage at a particular place. &nbsp;</p> application/pdf en U.S Geological Survey Seismic risk maps article