Tsunamis are ocean waves that are produced from an earthquake or landslide that is underwater. In open water the waves from tsunamis can travel half way around the world. How strong the earthquake is and how much open water will make a difference on have far a tsunami can travel.
A tsunami (plural: tsunamis or tsunami; from , lit. harbour wave;
English pronunciation: or )
, also known as a seismic sea wave, is a series of water waves caused by the displacement of a large volume...