Vendula Hulcová & Nikol Grimová

-tsunami is series of consecutive waves

-this is caused by sudden displacement of the large amount of water

-on large water surfaces, especially in the oceans

-it is caused by tectonic movements of the tectonic plates on the ocean floor

-occurs seismic activity, therefore earthquakes

-waves are very dangerous

-global problem

-caused of many disasters in the history

-most of incidences are situated in the Pacific Ocean



the biggest disasters in history caused by tsunami:

-1883-Indonesia (erupt of Krakatoa)

-1908- Italy

-2009- Samoa

-2011-Honsu (Japan)