La discontinuidad de Mohorovičić: o simplemente El Moho (Mohorovičić Discontinuity - The Moho)

The Mohorovicic Discontinuity, or "Moho", is the boundary between the crust and the mantle. The red line in the drawing below shows its location.

Por: Geology.com

In geology the word "discontinuity" is used for a surface at which seismic waves change velocity. One of these surfaces exists at an average depth of 8 kilometers beneath the ocean basin and at an average depth of about 32 kilometers beneath the continents. At this discontinuity, seismic waves accelerate. This surface is known as the Mohorovicic Discontinuity or often simply referred to as the "Moho". Sigue...