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  1. The M s scale approximately agrees with M L at ~6, then diverges by as much as half a magnitude. A revision by Nuttli (1983) , sometimes labeled M Sn , [42] measures only waves of the first second. A modification – the "Moscow-Prague formula" – was proposed in 1962, and recommended by the IASPEI in 1967; this is the basis of the standardized M s20 scale ( Ms_20 , M s (20) ). [43]

  2. Between 1901 and the year 2000 there were 91 major earthquakes in Taiwan, 48 of them resulting in loss of life. [4] The most recent major earthquake was the 2024 Hualien earthquake, and the most recent major earthquake with a high death toll was the 921 earthquake, which struck on 21 September 1999, and claimed 2,415 lives.

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  4. An upthrust of 6 to 8 metres (20 to 26 ft) along a 180 kilometres (110 mi) wide seabed at 60 kilometres (37 mi) offshore from the east coast of Tōhoku resulted in a major tsunami that brought destruction along the Pacific coastline of Japan's northern islands.

  5. v. t. e. The Richter scale [1] ( / ˈrɪktər / ), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Francis Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it ...

  6. en.wikipedia.org › wiki › Mount_FujiMount Fuji - Wikipedia

    Mount Fuji (富士山, Fujisan, Japanese: [ɸɯ (d)ʑisaɴ] ) is an active stratovolcano located on the Japanese island of Honshu, with a summit elevation of 3,776.24 m (12,389 ft 3 in).It is the tallest mountain in Japan, the second-highest volcano located on an island in Asia (after Mount Kerinci on the Indonesian island of Sumatra), and seventh-highest peak of an island on Earth.

  7. Excess steam from the drywell enters the wetwell water pool via downcomer pipes. SFP: spent fuel pool area. SCSW: secondary concrete shield wall. The Fukushima nuclear accident was a major nuclear accident at the Fukushima Daiichi nuclear power plant in Ōkuma, Fukushima, Japan which began on March 11, 2011.

  8. en.wikipedia.org › wiki › JapanJapan - Wikipedia

    Japan is an island country in East Asia.It is in the northwest Pacific Ocean and is bordered on the west by the Sea of Japan, extending from the Sea of Okhotsk in the north toward the East China Sea, Philippine Sea, and Taiwan in the south. Japan is a part of the Ring of Fire, and spans an archipelago of 14,125 islands, with the four main islands being Hokkaido, Honshu (the "mainland ...