Earthquakes occur when two blocks of earth suddenly slip past each other. This sudden release of energy causes the seismic waves that make the ground shake. The surface where they slip is known as the fault or fault plan... More »

An earthquake is a sudden shaking or rolling of the ground caused by movements under the earth's surface. Some earthquakes can be mild while others may be severe causing massive devastation to structures, life and other ... More »

Earthquakes happen when rock beneath the earth suddenly moves. Stresses in the earth make blocks of rock break and move along a fault line, which is a crack in the earth. The rocks may move, slip downward, upward or side... More »

www.reference.com Science Earth Science Earthquakes

Most earthquakes occur along the boundaries between the Earth's tectonic plates. The crust of the Earth is divided into plates. When a plate collides with or slides past another plate, this causes earthquakes. For exampl... More »

While earthquakes can occur almost anywhere, they are most common around the edges of the great tectonic plates of the Earth's crust. The plates are always in motion, and the edges tend to rub up against one another, bui... More »

Earthquakes occur when two blocks of Earth's crust slip past each other suddenly. Tectonic plates fit together like pieces of a puzzle and are continually moving. The edges of tectonic plates are rough and sometimes stic... More »

The BBC explains that, in addition to a significant human death toll, earthquakes destroy the environment in the surrounding area by causing fires, tsunamis and landslides. While these events have relatively short-term e... More »