Survivors and victims' relatives will this week mark the 20th anniversary of the 2004 Indian Ocean earthquake and tsunami, which killed more than 220,000 people across more than a dozen countries.

Within hours, the tsunami had claimed nearly 230,000 human lives and displaced millions of people in 12 countries. Thursday marks the 20 th anniversary of the 2004 Indian Ocean tsunami ...

In 2004, a 9.1 magnitude earthquake off the island of Sumatra in western Indonesia triggered a tsunami in the Indian Ocean that killed more than 220,000 people across 12 countries. Ali Rogin ...

The lack of tsunami early warning systems in the Indian Ocean before the 2004 tsunami had made the disaster's impact worse. No seismic stations covered the entire area, and no telecommunication ...

People gathered in prayer and visited mass graves in Indonesia's Aceh province on Thursday to mark 20 years since the massive Indian Ocean ... on Dec. 26, 2004, triggered a tsunami that killed ...

Jayarasa Abilash, known as Baby 81 after he was swept away by the 2004 Indian ocean tsunami, stands in front of a monument built in memory of tsunami victims outside his residence in Kurukkalmadam ...

REFILES to fix intro to read 'this week' sted 'next' as sent Survivors and victims' relatives will this week mark the 20th anniversary of the 2004 Indian Ocean earthquake and tsunami, which killed ...