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Published on Oct 29, 2010
www.iris.edu/hq/programs/education_and_outreach/animations Animation addresses 3 common variations of S-type seismic body waves. All are shear waves that travel in all directions away from the epicenter of an earthquake. The different phases show how the initial S wave is stopped, or changes when encountering boundaries in the Earth. For related animations, please visit: http://www.iris.edu/hq/programs/educa...