On December 26, 2004, a massive undersea earthquake near Sumatra triggered one of the deadliest tsunamis in history. Waves up to 30 meters high devastated Indonesia’s Aceh province, killing over 167,000 people and displacing half a million. Entire towns were wiped out, with Lhoknga nearly erased. The tragedy led to global aid efforts and new tsunami warning systems, but its destruction remains unforgettable. | History In Pictures

In 2004, a large earthquake in the Indian Ocean triggered the largest tsunami in recorded history. One of the countries hit by the tsunami was Sri Lanka, where the wave caused one of the worst train disasters in human history when it hit the Queen of the Sea passenger line, which was carrying 1,500 passengers along Sri Lanka's west coast. Watch Destruction Decoded on Wednesdays at 8pm on National Geographic UK. | National Geographic UK

Indonesia tsunami disaster

Indonesia is reeling from yet another natural disaster - a massive tsunami wiping out towns on the islands of Java and Sumatra. #9News | http://9News.com.au | 9 News Sydney