The BBC reports on the Indian Ocean tsunami that occurred in 2004 off the coast of Sumatra in Indonesia as a result of an earthquake. Footage of the waves and destruction around the area is shown. Maps delineate the quake's epicenter and...

This kid knows his stuff. A middle schooler explains the five-step process that occurs as a tsunami forms. He relates his tsunami research to the events that occurred in Japan in 2011. The question he poses can be discussed by you class....

Learn how foreshocks and aftershocks are related to the main shocks of earthquakes. [6:32]

This demonstration shows that rocks are elastic by squeezing a slit core of solid rock. Energy is stored as potential energy while the rock is squeezed. [1:22]

See a demonstration of an earthquake slip-stick behavior in the classroom. [6:22]

Narrated animation explaining the forces inside the Earth that can lead to earthquakes. (Length: 1 min. 39 sec.)

A geologist explains why this week's East Coast earthquake was felt by so many people.