People gathered in prayer and visited mass graves in Indonesia’s Aceh province on Thursday to mark 20 years since the massive ...

Christmas in 2004, a 9.1 magnitude earthquake triggered tsunami waves that killed some 230,000 people across a dozen ...

Understanding of the Sumatran subduction zone and its hazards has increased since the 2004 Indian Ocean earthquake and ...

The powerful 9.1-magnitude earthquake off the coast of the Indonesian island of Sumatra, triggered a tsunami that killed ...

The earthquake and tsunami claimed the lives of over 200,000 people, the deadliest natural disaster of the 21st century.

Survivors and families of victims visited mass graves, lit candles and comforted one another across Southeast and South Asia ...

One of the deadliest natural disasters in modern history, the 2004 Indian Ocean tsunami marks its 20th anniversary on Dec. 26 ...