Dangerous Floods Caused By Hurricanes And Tsunamis By: Aydan Corkern | - On the morning after Christmas Day 2004, a powerful earthquake measured at 9 on the Richter scale rocked the Indian Ocean and caused a multitude of damage and deaths in 11 countries bordering that ocean. At the end of August 2005, a hurricane by the name of Katrina appeared to be a Category 1 hurricane but quickly changed to a Category 3 by the time it arrived in Louisiana. The result? Over 1,800 people died directly from the hurricane and indirectly from the flooding. In Sanriku, Japan in March ... Tags:underwater earthquakes, flooding, tsunami, hurricane, water, ducuments, identification