Curated Video
S-wave
One of two types of seismic wave produced in an earthquake. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
P-wave
A fast-moving seismic wave produced by an earthquake. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Khan Academy
Khan Academy: Seismic Waves and How We Know Earth's Structure
This video illustrates and explains how seismic waves function. These waves are broken down into two types: surface and body. Take a look into why waves help understand the structure of Earth. [8:38]
Khan Academy
Khan Academy: How We Know About the Earth's Core
Find out how S-wave shadow and P-wave detection patterns give us information about the Earth's core. [5:49]
Incorporated Research Institutions for Seismology
Iris: Travel Time Curves: How They Are Created
See how travel-time curves are created. [2:52]