Question 25 Cross section I Tectonic setting before the earthquake occurred Indian Ocean Tectonic plate Sunda Trench [Select] Sumatra Tectonic plate Cross section II Chain reaction caused by tectonic plate motion and the resulting movement of the seafloor Ocean surface ralsed (crest) Indian Ocean Land Ocean surface surface ralsed lowered (trough) Tectonic plate Tectonic plate Land surface drops 1 pts Based on the tsunami wave formula of s= (g*d)1/2, as a tsunami approaches the shoreline (shallower depth), the wave speed [Select] and as a result, the wave height​