1923 Great Kantō earthquake people in Tokyo and other areas, causing major tsunamis, and creating major firestorms. In the film adaptation of "Japan Sinks", "Nihon Chinbotsu", the Sagami Trough ruptures in a massive earthquake called "The Second Great Kanto Earthquake". In the manga (comic) adaptation of "Japan Sinks", the Second Kantō Earthquake killed over five million. In the historical fantasy novel "Teito Monogatari" (Hiroshi Aramata) a supernatural explanation is given for the cause of the Great Kantō earthquake, connecting it with the principles of feng shui. In Oswald Wynd's novel "The Ginger Tree", Mary Mackenzie survives the earthquake, and later bases her clothes designing
Imperial Japanese Navy Air Service and the first one to be completed as from the keel up. In the 1920s, the larger percentage of aircraft that were initially acquired and inducted into service, were land based seaplanes whose main tasks were reconnaissance and anti-submarine patrols. The Japanese had drawn up plans for the formation of 17 squadrons of these aircraft, but budgetary constraints limited the units to eleven until 1931. Under the terms of the Washington Naval Treaty two incomplete capital ships were allowed to be rebuilt as carriers, for the Japanese; and . However, "Amagi" was damaged during the Great Kanto earthquake in 1923