Lecture Outline:

An image of a magma body beneath a seamount located on the
Mid-Atlantic Ridge.  The upper surface is bathymetry, the blob
beneath is anomalously slow seismic velocities associated with melt.

• Useful Links
• http://www.geophys.washington.edu/seismosurfing.html:
• The page above has a wide variety of links related to earthquakes
• www.iris.edu
• ]Types of Seismic Waves
• Body Waves
• P Waves, compressional waves
• S Waves, shear waves
• Surface Waves
• Love Waves
• Rayleigh Waves
• Radial Earth Structure
• Crust
• Mantle
• Transition Zone
• Outer Core
• Inner Core
• Lithosphere
• Asthenosphere
• Imaging non-radial (i.e., three dimensional) structure