Ryōunkaku Ryōunkaku's fame spread, it appeared in the works of contemporary authors such as Tanizaki Junichiro, Ishikawa Takuboku, Kitahara Hakushu and Kaneko Mitsuharu. The edifice's opening was commemorated in Ogawa Kazumasa's most famous work, "Types of Japan, Celebrated Geysha of Tokyo in Collotype and From Photographic Negatives Taken by Him", published around 1892. Ryōunkaku The was Japan's first western-style skyscraper. It stood in the Asakusa district of City of Tokyo (now Taitō, Tokyo) from 1890 until its demolition following the Great Kanto earthquake of 1923. The , as it was affectionately called by Tokyoites, was Tokyo's most popular attraction, and a
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