This program explores natural forces inside our planet, how and why earthquakes occur, the 2004 tsunami and the international response that followed. Senior seismologist Gary Gibson takes us through some reasons why the earth has such destructive potential, and the natural forces behind the 2004 trunami. Featuring a range of natural disaster footage, graphics, footage of the tsunami aftermath, and interviews with aid workers involved in the international response.

Describes the causes and disastrous effects of tidal waves, as well as a history of the most devastating ones around the world, including the December 2004 tsunami.