The Indian Ocean Tsunami, which occurred on December 26, 2004, was one of the deadliest natural disasters in history. Triggered by a massive undersea earthquake off the coast of Sumatra, Indonesia, the tsunami affected several countries, including Thailand, Sri Lanka, and India, leading to widespread devastation and loss of life. In total, it is estimated that over 230,000 people lost their lives, and millions were displaced. The disaster prompted a global humanitarian response and led to significant advancements in tsunami warning systems, aiming to prevent such tragedies in the future.