Which seismic discontinuity marks the boundary where P-wave velocity suddenly decreases before increasing again due to partial melting?

Question

Team JKSSB Mock Tests · Accepted Answer

The Low Velocity Zone (LVZ) occurs in the upper asthenosphere where partially molten materials reduce seismic wave velocity.

Which seismic discontinuity marks the boundary where P-wave velocity suddenly decreases before increasing again due to partial melting? MCQ with Answer and Explanation