2011 Tōhoku earthquake and tsunami 2011 Tōhoku earthquake and tsunami The was a magnitude 9.0–9.1 (M) undersea megathrust earthquake off the coast of Japan that occurred at 14:46 JST (05:46 UTC) on Friday 11 March 2011, with the epicentre approximately east of the Oshika Peninsula of Tōhoku and the hypocenter at an underwater depth of approximately . The earthquake is often referred to in Japan as the and is also known as the 2011 Tōhoku earthquake, and the 3.11 earthquake. It was the most powerful earthquake ever recorded in Japan, and the fourth most powerful earthquake in the world since modern record-keeping began in 1900.
Edward Seidensticker to the Earthquake" (1983) and "Tokyo Rising: The City Since the Great Earthquake" (1990), Seidensticker's two-volume history of Tokyo, he weaves a tale of cultural history of how the city was impacted by the advent of Westernization, and how it responded to the twin disasters of the 20th Century—the Great Kanto earthquake of 1923 and the massive destruction incurred in World War II due to Allied bombing raids. In his academic career, he is credited with being a teacher for his peers. He published his autobiographical observations in "Tokyo Central: A Memoir" in 2001. A biography and bibliography are included