🌊 Tsunami Facts 🌊 • Tsunamis are usually caused by undersea earthquakes, not storms • They can travel over 800 km/h across deep oceans • In deep water they may be only a metre high and go unnoticed • Near coastlines they slow down and rise dramatically • The first sign can be the sea suddenly pulling far back from shore #tsunamifacts #oceanpower #naturalforces #earthscience #coastalawareness This video is for informational purposes only and is not a warning or prediction.