One year on from the Indian Ocean tsunami, the world's grief and compassion returned to the tsunami-battered coastlines of the Indian Ocean, where at least 216,000 people lost their lives. Under a clear sky and before a gentle sea, the world commemorated those who lost their lives, in one of the worst natural disasters that the modern world has experienced.

Based on that paragraph can we conclude that this sentence is true?
The Indian Ocean tsunami was the worlds worst natural disaster. 