This week, Thailand marked 20 years since the Indian Ocean tsunami in 2004. Five thousand people were killed, but a local tribe managed miraculously to survive with almost no casualties among them.

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

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

Infrastructure in Aceh has been rebuilt and is now more resilient than before the tsunami struck. Early warning systems have ...

Boxing Day, marks the 20th year since one of the world's most significant natural disasters, the Sumatra earthquake.

Two decades after a devastating earthquake and tsunami struck Indonesia, some survivors are rebuilding their lives in the ...

Twenty years ago today, a 9.1-magnitude earthquake unleashed a tsunami across the Indian Ocean region. Towering waves, some ...

Indian Ocean tsunami commemorated its 20th anniversary. Countries such as India, Thailand, Indonesia, and Sri Lanka held ...

It has been 20 years since the deadliest tsunami ever recorded, one that devastated communities around the Indian ocean and killed more than 200,000 people. NBC News' Janis Mackey Frayer spoke with ...