Prayers and tears mark 20 years since the Indian Ocean tsunami that killed some 230,000 people
People started gathering in prayer on Thursday and visiting the mass graves in Indonesia’s Aceh province to mark 20 years ...
The Deadliest Tsunami Set Off Work to Be Ready for the Next Big Wave
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.