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
Sagami Trough because of the proximity to a population center (with over 36 million living in Tokyo's metro area, with a total of 43 million living in the Kanto Region) and the magnitude the Sagami Trough can create. The Sagami Trough megathrust generated the 1703 Genroku earthquake, which was the greatest rupture along the trough in the last thousand years, and the 1855 (Ansei) and 1923 (Great Kanto or Taisho) earthquakes. Sagami Trough The also Sagami Trench, Sagami Megathrust, or Sagami Subduction Zone is a long trough, which is the surface expression of the convergent plate boundary where the Philippine Sea Plate