People are gathering in prayer and visiting mass graves in Indonesia’s Aceh province to mark 20 years since the massive ...

ABC News’ Diane Sawyer interviewed Nemcova in the months after the tragedy. Now, 20 years after one of the deadliest natural ...

Here is a look at tsunamis. Tsunamis are formed by a displacement of water – a landslide, earthquake, volcanic eruption, or slippage of the boundary between two of the earth’s tectonic plates – slabs ...

Qurrata Ayuni, a 28-year-old survivor of the earthquake and tsunami that devastated her hometown two decades ago, has transformed her resilience into purpose. Defying Aceh’s male-dominated coffee ...

Here are some things to know about tsunamis: A tsunami, a word that comes from the Japanese characters for harbor and wave, is a series of extremely long waves caused by the sudden displacement of ...

"It was a very weird, very shallow earthquake that involved a lot of vertical motion of the seafloor, which tends to produce more tsunamis, and that was the basis for that warning that we all ...

This quake was a strike-slip type of temblor that shifts more horizontally and is less prone to cause tsunamis, unlike the more vertical types, said National Weather Service tsunami program ...