<正>Natural disasters take many different forms and can happen without warning.Earthquakes,floods,volcanoes,drought,typhoons and hurricanes are all natural disasters.The earthquake of 26 December 2004 resulted in one of the worst natural disasters in living memory.It was a massive underwater quake and occurred in the Indian Ocean.This caused a huge tidal wave(a tsunami)to cross the Indian Ocean.It destroyed coastlines and communities and brought death and