Tsunami is a Japanese word that means "harbor wave". It is a series of great sea waves and most tsunami waves are really small, but in extreme cases, they can be really big... ☼ Please SUBSCRIBE... ☼ Watch more videos at: https://www.youtube.com/channel/UCk6h3U7oiJV4gF8ONIZ-Vpg ☼ MORE 'Earth and Environment' VIDEOS: Water Cycle | How rain is formed https://youtu.be/CSmss525Bfc What Causes Thunder and Lightning? https://youtu.be/1yR-FtSY-K0 How Do Tornadoes Form? https://youtu.be/sx3pyt-smjo Volcano | All About Volcanoes https://youtu.be/zA9o4vVI8Ps Earthquakes | What Causes Earthquakes? https://youtu.be/pKJyCAsEuW4 Why Is The Suez Canal So Important Than Ever? https://youtu.be/n0_ocKiOZEg Cyclone Gabrielle Lashes New Zealand https://youtu.be/DS9vKbeiXRE Terrifying Predictions by Nostradamus and Baba Vanga for 2023 https://youtu.be/valXw5Lk5nc Thanks for watching and stay tuned for more videos...