A Century of Great Earthquakes--Use this unique map of major earthquakes in the world from 1897 to 1996 to teach and learn about the relationship of the distribution and pattern of earthquakes to cities, landforms, oceans, countries, and continents. This map shows selected earthquakes of magnitude 7.8 and greater. Portions of the Southwest and North Pacific are not included. Base map reprinted with permission of Unique Media Incorporated. Map size 27" x 18".