Seismic waves | Volcano Live
Demonstration of the two types of seismic wave in an onland earthquake - primary and secondary.
Tweet
Further Information
Similar broadcast resources
S8E6: Flooding | Bang Goes the Theory
Did global warming play a part in the recent floods, or is it the extreme end of the natural cycle? Maggie Philbin investigates the threat of storm surge.
Wild Weather: Our World Under Threat | Panorama
Justin Rowlatt reveals where in the world the climate is changing the fastest and who will be most affected.