natural disaster

https://www.youtube.com/watch?v=vzyZF9NIGmM Video of the boardwalk in Japan after a strong earthquake Understanding the nature of a tsunami A tsunami is a series of huge waves, usually caused by a sudden movement of water in the ocean or large lake due to an earthquake. The term itself comes from the Japanese 'tsu' which means gate and 'nami' which means wave. They are often called “harbor waves” and can have devastating consequences when they reach the coast. To anticipate dangers and take effective measures to protect the population, it is important to understand the nature of a tsunami. Origin and triggers of…

https://www.youtube.com/watch?v=vzyZF9NIGmM Video of ocean wall in Japan after powerful earthquake Understanding the nature of a tsunami A tsunami is a series of huge waves caused by a sudden movement of water in the ocean or a large lake due to an earthquake in most cases. The term itself comes from the Japanese “tsu” meaning port and “nami” meaning wave. Often referred to as "harbour waves", their power when they hit the coast can be devastating. Understanding the nature of a tsunami is essential to anticipate the dangers and put in place effective measures to protect the population. Formation and triggers…