Eltanin Asteroid Could Have Triggered Ice AgeA huge asteroid strike about 2.5 million years ago in the South Pacific could have caused a mega-tsunami and even changed the Earth’s climate, according to a new Australian study.SavePrintBelinda McCallum9/22/2012|Updated: 10/1/2015 We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.