Should we have known?

As many as five million lives ruined. More than 150,000 dead, from anonymous fishermen to a grandson of the King of Thailand. Along the shores of the Indian Ocean, bodies are stacked in makeshift mortuaries. Mothers and fathers wail over dead children. Homes, businesses and entire towns have been reduced to debris. Whole tribal cultures have been wiped out. more story

commentary:
That is a bad memories of our lives, many people death in tsunami. Is this suffering is want to warning us that earth will be destroy ?