Subject(s): Tsunami Warning system (TWS) -- Hazard mitigation -- Pacific Tsunami Warning and Mitigation System -- Tsunamis Safety measures -- Tsunami - definition and general features, prone counties and oceans in world, analysis and experience of tsunami in Indian ocean on 26th december 2004, history of Tsunami across world, what to do before, during and after Tsunami, surviving a tsunami- lessons we get from survivors of Chilean earthquake and following tsunami