What happens to the water depth as the Tsunami waves approach the coast ?
Decreases
Increases
Increases and decreases alternatively
Neither increases nor decreases
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC CAPF – 2009
Tsunami waves are long-period waves. As they move from the deep ocean into shallower coastal waters, their speed decreases due to friction with the seabed, but their height increases significantly due to the conservation of energy. This phenomenon is known as shoaling.