Experts said they were “blind” to the Indian Ocean tsunami in 2004. Twenty years later, working toward a world without tsunami deaths is a challenge. By Katrina Miller The Indian Ocean tsunami ...

People attend a prayer at the Siron mass grave, one of the two major mass burial sites where victims of the 2004 Indian Ocean tsunami were laid to rest, in Banda Aceh, Indonesia, on Dec. 26, 2024.

Thursday marks the 20 th anniversary of the 2004 Indian Ocean tsunami, one of the deadliest natural disasters in modern history. The Boxing Day quake was one of the largest ever recorded.

A relative of a victim of a 2004 Indian Ocean tsunami participates in its 20th anniversary at Tsunami Memorial Park at Ban Nam Khem, Takuapa district of Phang Nga province, southern Thailand ...

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.

In 2004, an earthquake in the Indian Ocean released energy equivalent to 23,000 Hiroshima type atomic bombs. 20 years later, we examine the disaster and its toll.

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.

One of the major causes of casualties was that people in certain areas were not alerted of the incoming wall of water. Now, ...

Twenty years ago, a tsunami devastated coastal communities along the Indian Ocean. NPR's Sarah McCammon speaks with Margarettha Siregar, who helped respond to the disaster in Indonesia.

A relative of a victim of a 2004 Indian Ocean tsunami participates in its 20th anniversary at Tsunami Memorial Park at Ban Nam Khem, Takuapa district of Phang Nga province, southern Thailand ...

People are gathering in prayer and visiting mass graves in Indonesia's Aceh province to mark 20 years since the massive Indian Ocean tsunami, one of modern history's worst natural disasters.

Jayarasa Abilash, right, known as Baby 81 after he was swept away by the 2004 Indian ocean tsunami, shares a light moment with his father Murugupillai at his residence in Kurukkalmadam, Sri Lanka ...