This is a higher figure than in the 2004 Indian Ocean tsunami.

This was done after the large Indian Ocean tsunami in 2004.

This has never been clearer than since the Indian Ocean tsunami.

The conference was conducted following the 2004 Indian Ocean tsunami.

Bentota wasn't damaged at all by the 2004 Indian Ocean tsunami.

They say it is comparable with the 2004 Indian Ocean tsunami.

By contrast, the Indian Ocean tsunami less than a year ago left a trail of 200,000 dead.

The area was affected by the 2004 Indian Ocean tsunami.

It was damaged by the 2004 Indian Ocean tsunami with a large loss of life.

The Indian Ocean tsunami killed more than 150,000 people.