People gathered in prayer and visited mass graves in Indonesia's Aceh province on Thursday to mark 20 years since the massive Indian Ocean tsunami hit the region in one of modern history's worst ...

Twenty years ago, the seafloor west of Indonesia abruptly pushed upward as a deep undersea fault, where two of Earth’s tectonic plates meet, slipped. The upward shove violently shifted the seawater ...

Every year, World Tsunami Awareness Day reminds us that early warning and education can save lives. Tsunamis, triggered ...

"It's hard [for the younger generation] to understand," she tells PEOPLE in this week's issue National Geographic/Charlie Laing/Alec Davy Soffie Modin, who was trapped for hours inside a home after ...

The most dangerous thing that can happen in the eerie vacuum between an earthquake and a tsunami is nothing. Once a tsunami warning is issued, the size of the wave and the number of minutes before it ...

PHANG NGA, Thailand (Reuters) - Communities across Asia commemorated the more than 230,000 victims of the Indian Ocean tsunami on Thursday, the 15th anniversary of one of the world's most deadly ...