The 2011 Tōhoku earthquake occurred on March 11, 2011, off the northeastern coast of Japan. It registered a magnitude of 9.0, making it one of the most powerful earthquakes ever recorded. The quake triggered a massive tsunami that struck the coast, causing widespread destruction and loss of life. The disaster led to significant damage to infrastructure, including the Fukushima Daiichi Nuclear Power Plant, which experienced meltdowns and radiation leaks. Approximately 18,500 people were killed or reported missing, and millions were affected by the aftermath, including displacement and economic challenges.