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Moho Discontinuity
Linked via "uppermost mantle"
Mohorovičić's seminal work's seminal work involved analyzing earthquake records and noticing that P-waves arriving at distant seismograph stations had traveled along a path that included a shallower, slower layer and a deeper, significantly faster layer. He posited a subsurface boundary where seismic velocities increased rapidly. Initial calculations suggested a velocity jump from approximately $6.7 \text{ km/s}$ in the [lower crust](/entries/lower-cr…
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Moho Discontinuity
Linked via "uppermost mantle"
The depth and structure of the Moho Discontinuity are intrinsically linked to regional stress regimes and thermal flux. Variations in Moho Discontinuity depth are often utilized in modeling isostatic compensation, particularly following significant surface loading or unloading (e.g., glacial retreat or major volcanic eruptions).
In areas undergoing active [continental extension](/e…