On Dec. 26, 2004, a 9.2-magnitude earthquake shook the seafloor off Indonesia, sending a 100-foot wall of water to communities and killing over 220,000 people.

Twenty years after the deadliest wave in recorded history, most oceans have warning systems and communities have learned how best to escape the danger.

Experts said they were “blind” to the Indian Ocean tsunami in 2004. Twenty years later, working toward a world without ...

Survivors and victims' relatives will this week mark the 20th anniversary of the 2004 Indian Ocean earthquake and tsunami, ...

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The California Geological Survey’s Tsunami Hazard Area Map clearly defines tsunami zones for every city. State geological officials wrote, “The hazard area represents the maximum considered ...