This animation shows the movement of seismic waves as they moved from Bolivia to San Juan Puerto Rico during a 1994 earthquake.

Find an interrelated set of tools--maps, animations, diagrams, photographs, and text--to help you understand tectonic plates and how they move.

View a brief animation that explains the science behind a tsunami.

Animated simulations showing the three types of plate movements: divergent, convergent, and lateral plate boundaries.

Discussion of liquefaction and landslides which are two of the many effects of earthquakes.

Virtual reality animation map showing continental drift from 200mya to the present. The animation map is small but effective in showing the positions of the land masses.