are tsunamis caused by semitic waves
What is a tsunami? Causes; Size; Detection and warning; Prediction; What is a tsunami? Tsunamis are large and destructive waves caused by earthquakes, landslides, or volcanic eruptions. When a large wave is caused by the resonance of wave energy it is called a 'seiche'. Although they are created differently, both seiches and tsunamis can be large and destructive. Tsunamis from large earthquakes travel across entire oceans and can be 30â150 feet tall when they reach shore.