Professor Dave Explains
Earthquakes and Seismology in Earth’s Interior
We just learned about all the layers of the Earth, but how did we accumulate this information? How do we know the composition of these layers and the depths at which they occur? The answer is seismology! Let's learn about the different...
Khan Academy
Khan Academy: The Mohorovicic Seismic Discontinuity
A video lecture discussing the Mohorovicic Seismic Discontinuity which is the boundary between crust and mantle. [6:13]
Incorporated Research Institutions for Seismology
Iris: Layers of the Earth What Is the Moho?
This animation discusses the history of the discovery of the Mohorovicic Discontinuity, as well as the logic behind it. Spoiler Alert: It is about Snell's Law. [9:22]