The magnitude 90 Japan's Tohoku Earthquake occurred at 1446 local time on Friday, 11 March 11, 125 km east coast of Honshu and 380 km far from Tokyo and rattled the large parts of Japan and some part of east China and Russia with 30 km depth of the hypocenter This earthquake that lasted approximately 3 minutes (170 seconds) caused a 130 km long by 159 kmTohoku occupies nearly onefifth of Japan's total area but contains less than onetenth of the country's total population Pineclad islets in Matsushima Bay, Miyagi prefecture, Tōhoku region, northern Honshu, Japan Shiro Shirahata/Bon Three mountain ranges run roughly parallel across Tohoku from north to south, separated by rows of lowlands The ranges and lowlands are, from The Tohoku region is about 210 km east to west and 510 km north to south, with the Ohu Mountains and the Nasu Volcanic in the central area, the Kitakami and Abukuma Mountains on the east, and the Dewa Mountains and Chokai Volcano on the west Therefore, because the Sea of Japan side and the Pacific side is divided into the mountainous backbone, the soil and the
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