Christmas in 2004, a 9.1 magnitude earthquake under the Indian Ocean triggered tsunami waves that killed some 230,000 people across a dozen countries.

Understanding of the Sumatran subduction zone and its hazards has increased since the 2004 Indian Ocean earthquake and tsunami.

The boy once known as “Baby 81,” who was pulled from the mud as an infant after the devastating Indian Ocean tsunami in 2004 and reunited with his parents following an emotional court battle, is now a 20-year-old dreaming of higher education.