P-waves slow down significantly when entering the liquid outer core from the solid mantle. This sudden velocity drop causes the waves to bend (refract) toward the center of the Earth. This bending creates a “gap” on the surface between 103° ...
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Powerful waves generated in the ocean by seismic activity are known as Tsunamis. While the term “tidal wave” is often used incorrectly, tsunamis have nothing to do with the tides. They are purely the result of geological disturbances—primarily earthquakes—that transfer ...