March 2021 Miyagi Earthquake
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March 2021 Miyagi Earthquake
On March 20, 2021 at 18:09 JST (09:09 UTC). The magnitude 6.9 or 7.0 earthquake struck offshore east of Tōhoku, Japan at a depth of to . It had a maximum JMA intensity of ''Shindo'' 5+ while on the Mercalli intensity scale, it earned a rating of VII (''Very strong''). Power outages and some slight damage in Miyagi was reported. A press release by the Japan Meteorological Agency stated that the earthquake was an aftershock of the 2011 Tōhoku earthquake and tsunami from ten years prior. Earthquake The earthquake occurred as the result of thrust faulting near the subduction zone interface plate boundary between the Pacific and North America plates. Moment tensor solutions indicate that slip occurred either on a moderately dipping fault striking to the south, or a moderately dipping fault striking to the north-northeast, consistent with the east-west oriented compression expected in this region. At the location of this earthquake, the Pacific plate moves approximately ...
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Japan Trench
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 at its deepest. It links the Kuril–Kamchatka Trench to the north and the Izu–Ogasawara Trench to its south with a length of . This trench is created as the oceanic Pacific plate subducts beneath the continental Okhotsk Plate (a microplate formerly a part of the North American Plate). The subduction process causes bending of the down going plate, creating a deep trench. Continuing movement on the subduction zone associated with the Japan Trench is one of the main causes of tsunamis and earthquakes in northern Japan, including the megathrust Tōhoku earthquake and resulting tsunami that occurred on 11 March 2011. The rate of subduction associated with the Japan Trench has been recorded at about /yr. Tectonic history During the late Neogene period (23.03-2.58 million years ago), the Japan Trench underwent ...
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North American Plate
The North American Plate is a tectonic plate covering most of North America, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores. With an area of , it is the Earth's second largest tectonic plate, behind the Pacific Plate (which borders the plate to the west). It extends eastward to the Mid-Atlantic Ridge and westward to the Chersky Range in eastern Siberia. The plate includes both continental and oceanic crust. The interior of the main continental landmass includes an extensive granitic core called a craton. Along most of the edges of this craton are fragments of crustal material called terranes, which are accreted to the craton by tectonic actions over a long span of time. It is thought that much of North America west of the Rocky Mountains is composed of such terranes. Boundaries The southern boundary with the Cocos Plate to the west and the Caribbean Plate to the east is a transform fault, represented by the Swan Islands Transform Fault unde ...
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Tōno, Iwate
is a city in Iwate Prefecture, Japan. , the city had an estimated population of 26,378, and a population density of 31.6 persons per km2 in 10,759 households. The total area of the city is . Tōno is known as "The City of Folklore" for its rural nature, its preservation of traditional culture and especially for the collection of folktales, ''Tōno Monogatari,'' written by Kunio Yanagita in 1910. Geography Tōno is located in central Iwate Prefecture, in the floodplain of the Sarugaishi River, surrounded by a ring of mountains. Mount Hayachine sits at the northernmost point of the city where Hanamaki, Kawai and Tōno meet. At 1,914 meters it is also the city's highest point. Mt. Rokkoushi, (1,294 meters) dominates the landscape to the east and Mt. Ishigami (1,038 meters) is the highest mountain in the west. Together these peaks form Tōno's "big three" mountains. The highest points in southern Tōno are Mt. Sadato (884 meters) on the border of Sumida and Mt. Tane (871 meters) on ...
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Kesennuma
is a city in Miyagi Prefecture, Japan. , the city had an estimated population of 59,803 and a population density of in 26,390 households. The total area of the city is . Large sections of the city were destroyed by the 2011 Tōhoku earthquake and tsunami and major fires on March 11, 2011. Geography Kesennuma is in the far northeastern corner of Miyagi Prefecture. The city wraps around the western part of Kesennuma Bay and also includes the island of Ōshima. Its deeply indented rias coastline forms the southern boundary of the Sanriku Fukkō National Park, which stretches north to Aomori Prefecture. The city borders Hirota Bay, Kesennuma Bay, and the Pacific Ocean to the east and Minamisanriku, Miyagi to the south. Iwate Prefecture makes up the remainder of its borders, with the city of Ichinoseki to the west, and the city of Rikuzen-Takata to the north. The highest point in Kesennuma is the high Mount Ōmori, on the border with Motoyoshi, while the lowest point is at sea lev ...
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Ishinomaki
is a city located in Miyagi Prefecture, Japan. , the city has an estimated population of 138,538, and a population density of 250 persons per km2 in 61,919 households. The total area of the city is . Geography Ishinomaki is in northeastern Miyagi Prefecture. The city borders on Ishinomaki Bay to the south and Minamisanriku city to the north, with the Kitakami Mountains to the west. Its coastline forms part of the Sanriku Fukkō National Park, which stretches north to Aomori Prefecture. Ishinomaki includes Tashirojima (also known as "Cat Island"), Ajishima, and Kinkasan, three islands off the south coast of Oshika Peninsula. Neighboring municipalities Miyagi Prefecture * Tome *Higashimatsushima * Wakuya * Misato *Onagawa *Minamisanriku Climate Ishinomaki has a humid climate (Köppen climate classification ''Cfa'') characterized by mild summers and cold winters. The average annual temperature in Ishinomaki is . The average annual rainfall is with September as the wettest month. ...
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Date, Fukushima
is a city in Fukushima Prefecture, Japan. , the city had an estimated population of 59,625 in 22,843 households and a population density of 220 persons per km2. The total area of the city was . Geography Date occupies the eastern half of the Fukushima Basin in northern Fukushima prefecture, with Miyagi Prefecture on its northern border. The area was once noted for sericulture but transitioned to fruit cultivation during the Taishō period. It is currently organized into the five former towns of Date, Hobara, Yanagawa, Ryozen, and Tsukidate, each of which retain numerous unique traditions and events. Hobara is the central area, where the municipal government is based. *Rivers: Abukuma River, Hirose River Neighboring municipalities Fukushima Prefecture * Sōma * Fukushima * Kunimi * Kawamata * Koori * Iitate Miyagi Prefecture * Shiroishi *Marumori Climate Date has a humid climate (Köppen climate classification ''Cfa''). The average annual temperature in Date is . T ...
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Iwanuma
270px, Iwanuma City Hall is a city located in Miyagi Prefecture, Japan. , the city had an estimated population of 43,946 in 18,062 households, and a population density of 730 persons per km². The total area of the city is . Iwanuma is at the convergence of two ancient roads, the Tōkaidō and the Rikuzen-Hama Kaidō. Geography Iwanuma is in the east-center Miyagi Prefecture, bordered by the Pacific Ocean to the east. It is also located at the mouth of the Abukuma River. Neighboring municipalities Miyagi Prefecture * Natori * Shibata * Murata * Watari Climate Iwanuma has a humid climate (Köppen climate classification ''Cfa'') characterized by mild summers and cold winters. The average annual temperature in Iwanuma is 12.6 °C. The average annual rainfall is 1252 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.9 °C, and lowest in January, at around 1.6 °C. Demographics Per Japanese census data, ...
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Morioka
is the capital city of Iwate Prefecture located in the Tōhoku region of northern Japan. On 1 February 2021, the city had an estimated population of 290,700 in 132,719 households, and a population density of . The total area of the city is . Geography Morioka is located in the in central Iwate Prefecture, at the confluence of three rivers, the Kitakami, the Shizukuishi and the Nakatsu. The Kitakami River is the second largest river on the Pacific side of Japan (after the Tone River) and the longest in the Tōhoku region. It runs through the city from north to south and has a number of dams within the city boundaries, including the Shijūshida Dam and Gandō Dam. An active volcano, Mount Iwate, dominates the view to the northwest of the city. Mount Himekami is to the north and Mount Hayachine can sometimes be seen to the southeast. Surrounding municipalities Iwate Prefecture *Hanamaki * Hachimantai * Takizawa * Miyako *Shizukuishi * Kuzumaki * Shiwa *Yahaba * Iwaizumi Demo ...
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Sendai
is the capital Cities of Japan, city of Miyagi Prefecture, the largest city in the Tōhoku region. , the city had a population of 1,091,407 in 525,828 households, and is one of Japan's 20 Cities designated by government ordinance of Japan, designated cities. The city was founded in 1600 by the ''daimyō'' Date Masamune. It is nicknamed the ; there are Japanese zelkova trees lining many of the main thoroughfares such as and . In the summer, the Sendai Tanabata Festival, the largest Tanabata festival in Japan, is held. In winter, the trees are decorated with thousands of lights for the , lasting through most of December. On 11 March 2011, coastal areas of the city suffered catastrophic damage from a 2011 Tōhoku earthquake and tsunami, magnitude 9.0 offshore earthquake,UK Foreign Office 9.0 assessment

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Fukushima Prefecture
Fukushima Prefecture (; ja, 福島県, Fukushima-ken, ) is a prefecture of Japan located in the Tōhoku region of Honshu. Fukushima Prefecture has a population of 1,810,286 () and has a geographic area of . Fukushima Prefecture borders Miyagi Prefecture and Yamagata Prefecture to the north, Niigata Prefecture to the west, Gunma Prefecture to the southwest, and Tochigi Prefecture and Ibaraki Prefecture to the south. Fukushima is the capital and Iwaki is the largest city of Fukushima Prefecture, with other major cities including Kōriyama, Aizuwakamatsu, and Sukagawa. Fukushima Prefecture is located on Japan's eastern Pacific coast at the southernmost part of the Tōhoku region, and is home to Lake Inawashiro, the fourth-largest lake in Japan. Fukushima Prefecture is the third-largest prefecture of Japan (after Hokkaido and Iwate Prefecture) and divided by mountain ranges into the three regions of Aizu, Nakadōri, and Hamadōri. History Prehistory The keyhole-shaped Ōy ...
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Iwate Prefecture
is a prefecture of Japan located in the Tōhoku region of Honshu. It is the second-largest Japanese prefecture at , with a population of 1,210,534 (as of October 1, 2020). Iwate Prefecture borders Aomori Prefecture to the north, Akita Prefecture to the west, and Miyagi Prefecture to the south. Morioka is the capital and largest city of Iwate Prefecture; other major cities include Ichinoseki, Ōshū, and Hanamaki. Located on Japan's Pacific Ocean coast, Iwate Prefecture features the easternmost point of Honshu at Cape Todo, and shares the highest peaks of the Ōu Mountains—the longest mountain range in Japan—at the border with Akita Prefecture. Iwate Prefecture is home to famous attractions such as Morioka Castle, the Buddhist temples of Hiraizumi including Chūson-ji and Mōtsū-ji, the Fujiwara no Sato movie lot and theme park in Ōshū, and the Tenshochi park in Kitakami known for its huge, ancient cherry trees. Iwate has the lowest population density of any prefecture ...
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