High School Earth Science/Nature of Earthquakes - Causes of Earthquakes. 1  Almost all earthquakes occur at plate boundaries. 2  The point where the rock ruptures is usually below the Earthâs surface. 3  Just above the focus on the land surface is the earthquake's epicenter (Figure 7.26).
University of North Carolina at Chapel Hill. The University of North Carolina at Chapel Hill, also known as UNC, or simply Carolina, is a public research university located in Chapel Hill, North Carolina, United States. It is one of the 17 campuses of the University of North Carolina system.
NC School of Science and Mathematics. The University of North Carolinaâs 17 campuses extend from the stateâs mountains to the coast. More than 220,000 students are enrolled at 16 universities and the NC School of Science and Mathematics, the countryâs first public residential high school for gifted students.