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Nankai megathrust earthquakes (Japanese: 南海トラフ巨大地震, Hepburn: Nankai Torafu Kyodai Jishin) are great megathrust earthquakes that occur along the Nankai megathrust – the fault under the Nankai Trough – which forms the plate interface between the subducting Philippine Sea Plate and the overriding Amurian Plate (part of the Eurasian Plate), which dips beneath southwestern ...
Nojima Fault (野島断層, Nojima Dansō) is a fault that was responsible for the Great Hanshin earthquake of 1995 (Kobe Quake). [1] It cuts across Awaji Island, Japan and it is a branch of the Japan Median Tectonic Line which runs the length of the southern half of Honshu island. [2] The fault line itself and part of the damage caused by the ...
The Japanese government designated 707 municipalities in 29 prefectures, including Yokohama, Shizuoka, Hamamatsu, Nagoya, Kyoto, Osaka, Kobe, Okayama, Hiroshima, all of Shikoku, Miyazaki, and parts of Okinawa, as areas at risk of being affected by a strong tremor with a intensity of lower 6 or higher and a tsunami with a height of more than ...
The 1 January 2024 mainshock was the strongest to hit the peninsula since records began in 1885. [16] The swarm began in December 2020 at depths greater than 15 km (9.3 mi) beneath the peninsula's northeast. By mid-March 2021, the earthquake swarm migrated to shallower depths above 15 km (9.3 mi).
Nankai Trough. The Nankai Trough (南海トラフ, Nankai Torafu, Southern Sea Trough) is a submarine trough located south of the Nankaidō region of Japan 's island of Honshu, extending approximately 900 km (559 mi) offshore. The underlying fault, the Nankai megathrust, is the source of the devastating Nankai megathrust earthquakes, while the ...
Okinawa Plate. The Okinawa Plate, or Okinawa Platelet, is a minor continental tectonic plate in the northern and eastern hemispheres stretching from the northern end of Taiwan to the southern tip of the island of Kyūshū. [ 1 ][ 2 ] The Okinawa Plate hosts typical earthquakes, like the 1911 Kikai Island earthquake, and various types of slow ...
The Japan Trench is an oceanic trench part of the Pacific Ring of Fire off northeast Japan. It extends from the Kuril Islands to the northern end of the Izu Islands, and is 8,046 metres (26,398 ft) at its deepest. [1] It links the Kuril–Kamchatka Trench to the north and the Izu–Ogasawara Trench to its south with a length of 800 kilometres ...
A primary example of this is located along Japan's largest island of Honshu, where the Wadati–Benioff zone is characterized by two well-defined lines of earthquake foci, with a distance between each line of 30–40 kilometers. [11] A study of the global prevalence of double Benioff zones has found that they are common in subduction zones ...