🌊 The Deadliest Tsunami in Recorded History On December 26, 2004, the world witnessed the most deadly tsunami ever documented. A massive 9.1–9.3 magnitude undersea earthquake struck off the coast of Sumatra, Indonesia. It was so powerful it shifted the Earth’s axis and created a series of tsunami waves that spread across the Indian Ocean at the speed of a jet plane. Within hours, coastlines in 14 countries were hit — including Indonesia, Sri Lanka, India, Thailand, and the Maldives. The Impact

🌊 What if a tsunami swept from Canada into the United States? In the far north, an immense slab of ice breaks free and collapses into the Arctic Ocean. The impact throws up a travelling wall of water — not just a single wave, but a moving mass, heavy with rock, ice, and momentum. It begins sliding south, faster than anyone expects. First it floods the Canadian tundra and prairies. Forests vanish. Lakes spill over. Roads disappear under swirling currents. Towns are swallowed so quickly that only