A powerful undersea earthquake that struck off the coast of Sumatra island, Indonesia, set off the 2004 Indian Ocean tsunami, also known as the Christmas or Boxing Day tsunami, on Sunday morning, Dec. 26, 2004. Then, in succession, tsunami waves rolled over coastlines in Thailand.
11 Facts About the 2004 Indian Ocean Tsunami. Welcome to DoSomething.org, a global movement of millions of young people making positive change, online.
Read CNN's Tsunami of 2004 Fast Facts and learn more about the 2004 Indian Ocean tsunami that followed the world's third-largest.
By John Pickrell. Earthquake and tsunami statistics. Time of main tremor: 0758 local time on 26 December 2004, (0058 GMT). Magnitude.
It has been ten years since the disaster in south east Asia which affected 5m people and hit 14 countries. On December 26, a 9.2 magnitude.