This illustration depicts a tectonic plate as it is subducted. The dots on the image illustrate likely earthquake activity. The boundaries of the transition zone can be seen to deflect upwards and downwards because of the altered temperature/pressure profile inside the downgoing slab.
Originally uploaded in Cutting Edge:Courses:Geophysics: Interpreting and Teaching with Tomograms .
Image 38778 is a 715 by 676 pixel WebP
Uploaded:
Feb7 13