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Indo-Australian plate – Major tectonic plate formed by the fusion of the Indian and Australian plates (sometimes considered to be two separate tectonic plates) – 58,900,000 km 2 (22,700,000 sq mi) Australian plate – Major tectonic plate separated from Indo-Australian plate about 3 million years ago – 47,000,000 km 2 (18,000,000 sq mi)
Around 23 million years ago, western Japan was a coastal region of the Eurasia continent. The subducting plates, being deeper than the Eurasian plate, pulled parts of Japan which become modern Chūgoku region and Kyushu eastward, opening the Sea of Japan (simultaneously with the Sea of Okhotsk) around 15–20 million years ago, with likely freshwater lake state before the sea has rushed in. [4 ...
Ankō Outcrop in the village of Ōshika in Nagano Prefecture is a natural monument of Japan. Japan Median Tectonic Line (中央構造線, Chūō Kōzō Sen), also Median Tectonic Line (MTL), is Japan's longest fault system. [3] [4] The MTL begins near Ibaraki Prefecture, where it connects with the Itoigawa-Shizuoka Tectonic Line (ISTL) and the ...
These subduction plates pulled Japan eastward and opened the Sea of Japan by back-arc spreading around 15 million years ago. [16] The Strait of Tartary and the Korea Strait opened much later. La Pérouse Strait formed about 60,000 to 11,000 years ago, closing the path used by mammoths, which had earlier moved to northern Hokkaido. [ 48 ]
The model displayed remnants of submerged plates located under oceans and in the middle of continents, which—according to our current understanding of the plate tectonic cycle—are all too far ...
Obduction zones occurs when the continental plate is pushed under the oceanic plate, but this is unusual as the relative densities of the tectonic plates favours subduction of the oceanic plate. This causes the oceanic plate to buckle and usually results in a new mid-ocean ridge forming and turning the obduction into subduction. [citation needed]
The Izanagi plate (named after the Shinto god Izanagi) was an ancient tectonic plate, which began subducting beneath the Okhotsk plate 130–100 Ma (million years ago). The rapid plate motion of the Izanagi plate caused northwest Japan and the outer zone of southwest Japan to drift northward.
Eurasian plate Boso triple junction The Boso triple junction (also known as off-Boso triple junction ) is a triple junction off the coast of Japan; it is one of two known examples of a trench -trench-trench triple junction on the Earth (the other being the Banda Sea triple junction ).