The document summarizes details of the 2011 Tōhoku earthquake and tsunami in Japan. It was a 9.0 magnitude earthquake that struck off the coast of Japan on March 11, 2011. It caused widespread damage including over 5,000 deaths and triggered a large tsunami with waves as high as 33 feet in some areas. The earthquake was one of the most powerful ever recorded and had devastating impacts across Japan such as fires, power outages, and nuclear plant issues.