A Really big wave!!
How Does Tsunami Look Like?
What is a tsunami?A tsunami is a series of waves with a long wavelength and period (time between crests) generated by a large, impulsive displacement of sea water.Time between crests of the wave can vary from a few minutes to over an hour.Tsunamis are often incorrectly called tidal waves; they have no relation to the daily ocean tides.
A tsunami look like a flood