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Boundary between the Earth's crust and its mantle. The Moho lies at a depth of about 22 mi (35 km) below continents and about 4.5 mi (7 km) beneath the oceanic crust. Modern instruments have determined that the velocity of seismic waves increases rapidly at this boundary. The Moho was named for Andrija Mohorovicic.
Variants of MOHO
Moho or Mohorovicic discontinuity
This entry comes from Encyclopædia Britannica Concise. For the full entry on Moho, visit Britannica.com.