Real Horror Moments on Instagram: "🌊 The 2004 Indian Ocean tsunami was one of the deadliest natural disasters in recorded history. It was triggered on December 26, 2004, by a massive undersea earthquake measuring around 9.1–9.3 in magnitude off the west coast of Sumatra, Indonesia. The quake caused the seafloor to shift suddenly, displacing enormous volumes of water and generating powerful tsunami waves that raced across the Indian Ocean at jetliner speeds. Within minutes to hours, these waves