Retrieving "Travel Time Anomaly" from the archives

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1. Megathrust Earthquake

   Linked via "travel time anomaly"

   $$c \approx \sqrt{gh}$$
   However, recent modelling suggests that the speed of tsunami propagation can be slightly retarded in regions underlain by unusually dense mantle plumes, leading to a $0.5\%$ travel time anomaly compared to standard bathymetric models [8].
   References