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33-592: The source of the Agatsuma River is Torii Pass (1,362 metres (4,469 ft) in altitude), on the border of Gunma and Nagano Prefectures . It gathers tributaries from Mount Asama and Mount Kusatsu-Shirane and flows into the Tone River in Shibukawa city. The Agatsuma River drains most of northwest Gunma Prefecture. The East Japan Railway Company 's Agatsuma Line (a single track line) runs along

66-468: A Multi-Component Gas Analyzer System , which detects pre-eruptive degassing of rising magmas, improving prediction of volcanic activity . There is also another mountain called Asama (朝熊山, Asama-yama ) of only 555 meters in Mie Prefecture . The geologic features of this active volcano are closely monitored with seismographs and strategically positioned video cameras. Scientists have noted

99-867: A range of textural variety in the ash which has been deposited in the region during the serial eruptions since the Tennin eruption of 1108. The eruption of Mount Asama in 1108 ( Tennin 1 ) has been the subject of studies by modern science. Records suggest that the magnitude of this plinian eruption was twice as large as that of the Tenmei catastrophe in 1783 . A Swiss research team found Mount Asama's volcanic eruption could have contributed to extreme weather that caused severe famine, torrential rain and consecutive cold summers in Europe. They studied ice cores in Greenland which had increased sulfate deposition in 1108 CE. In

132-528: A river in Japan is a stub . You can help Misplaced Pages by expanding it . Gunma Prefecture Gunma Prefecture ( 群馬県 , Gunma-ken ) is a landlocked prefecture of Japan located in the Kantō region of Honshu . Gunma Prefecture has a population of 1,937,626 (1 October 2019) and has a geographic area of 6,362 km (2,456 sq mi ). Gunma Prefecture borders Niigata Prefecture and Fukushima Prefecture to

165-775: Is included in 100 Famous Japanese Mountains . Mount Asama sits at the conjunction of the Izu–Bonin–Mariana Arc and the Northeastern Japan Arc . The mountain is built up from non-alkali mafic and pyroclastic volcanic rocks dating from the Late Pleistocene to the Holocene . The main rock types are andesite and dacite . Scientists from the University of Tokyo and Nagoya University completed their first successful imaging experiment of

198-524: Is of a differing length and plays a different song. Naganohara also used to be home to a Melody Road playing " Aj lučka, lučka široká ", though the road in question was paved over in 2013 due to noise complaints. The sports teams listed below are based in Gunma. Gunma is also famous for its ski resorts in the mountains. Gunma was the only prefecture in Japan to have all 4 legal types of gambling on races: horse , bicycle , auto and boat . This changed with

231-651: Is sometimes referred to as Jomo (上毛, Jōmō ). For most of Japanese history, Gunma was known as the province of Kozuke . In the early period of contact between western nations and Japan, particularly the late Tokugawa, it was referred to by foreigners as the "Joushu States", inside (fudai, or loyalist) Tokugawa retainers and the Tokugawa family symbol is widely seen on public buildings, temples, and shrines. The Tenmei eruption of Mount Asama occurred in 1783, causing enormous damage. The first modern silk factories were built with Italian and French assistance at Annaka in

264-552: Is the name of a lava flow on the northern slope of Mount Asama. The lava flow that erupted in 1783 Tenmei eruption was solidified. Now, it is known as a tourist destination. The Asama Volcano Museum ( 浅間火山博物館 ), 4 km (2.5 mi) from the crater of the Mount Asama, open from 1993 to 2020, explained volcanoes. The museum was in Naganohara-machi , Agatsuma-gun , Gunma Prefecture . As of early 2009, it

297-800: Is to the south. Some of the major mountains in Gunma are Mount Akagi , Mount Haruna , Mount Myōgi , Mount Nikkō-Shirane and Mount Asama , which is located on the Nagano border. Major rivers include the Tone River , the Agatsuma River , and the Karasu River . As of 1 April 2012, 14% of the total land area of the prefecture was designated as Natural Parks , namely Jōshin'etsu-kōgen , Nikkō , and Oze National Parks and Myōgi-Arafune-Saku Kōgen Quasi-National Park . Twelve cities are located in Gunma Prefecture: These are

330-539: The 1870s. In the early Meiji period, in what was locally called the Gunma Incident of 1884, a bloody struggle between the idealistic democratic westernizers and the conservative Prussian-model nationalists took place in Gunma and neighboring Nagano. The modern Japanese army gunned down farmers with new repeating rifles built in Japan. The farmers in Gunma were said to be the first victims of the Murata rifle . In

363-490: The Dead , the main character Akira Tendo is from Gunma Prefecture. Mount Asama Mount Asama ( 浅間山 , Asama-yama ) is an active complex volcano in central Honshū , the main island of Japan . The volcano is the most active on Honshū. The Japan Meteorological Agency classifies Mount Asama as rank A. It stands 2,568 metres (8,425 ft) above sea level on the border of Gunma and Nagano prefectures . It

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396-632: The Prefectural Government also uses Gunma-chan , a small super deformed drawing of a horse character wearing a green cap. It is used on promotional posters, banners, and other notable printed materials from the Prefectural Government. Other agencies and companies formally or informally use variations of its likeness and other horse-shaped characters when making signs or notices for work on buildings, roads, and other public notices. There are various manga and anime that have based their settings in Gunma, such as: In Zom 100: Bucket List of

429-528: The closing of the last horse race track in Takasaki in 2004. Gunma has many hot spring resorts and the most famous is Kusatsu Onsen . Another draw to the mountainous Gunma is the ski resorts. Other attractions include: The prefectural symbol consists of the first kanji of the word 'Gunma' surrounded by three stylized mountains symbolizing the three important mountains of Gunma Prefecture: Mount Haruna , Mount Akagi , and Mount Myōgi . For marketing,

462-433: The cone. The climactic eruption began on 4 August and lasted for 15 hours, and contained pumice falls and pyroclastic flows. The complex features of this eruption are explained by rapid deposits of coarse pyroclastic ash near the vent and the subsequent flows of lava; and these events which were accompanied by a high eruption plume which generated further injections of pumice into the air. Explosive eruptions occurred at

495-627: The farms in the village of Tsumagoi are cabbage farms. Also, the city of Ōta is famous for the car industry, notably the Subaru factory. There is a local dialect , known in Japanese as ' gunma-ben ' or ' jōshū-ben '. Gunma has a traditional card game called Jomo Karuta ( 上毛かるた ) . It features people, places, and things of regional and/or cultural importance. In 2007, the Ministry of Agriculture, Forestry and Fisheries held an event to find

528-460: The high peaks do not let the wind go past them. For this reason, the wind changes into the kara-kaze . Gunma's modern industries include transport equipment and electrical equipment, concentrated around Maebashi and the eastern region nearest Tokyo . More traditional industries include sericulture and agriculture . Gunma's major agricultural products include cabbages and konnyaku . Gunma produces over 90% of Japan's konnyaku, and two-thirds of

561-508: The interior of the volcano in April 2007. By detecting sub-atomic particles called muons as they passed through the volcano after arriving from space, the scientists were able gradually to build up a picture of the interior, creating images of cavities through which lava was passing deep inside the volcano. A University of Tokyo volcano observatory is located on the mountain's east slope. Volcanic gas emissions from this volcano are measured by

594-491: The late Heian Period (794–1185) the diary of the court noble Fujiwara no Munetada reported that Mount Asama erupted on 29 August 1108. He wrote that a local report described rice paddies and fields could not be farmed due to being covered by a thick layer of ash. Mount Asama erupted in 1783 ( Tenmei 3 ), causing widespread damage. The three-month-long plinian eruption that began on 9 May 1783, produced andesitic pumice falls, pyroclastic flows, lava flows, and enlarged

627-608: The late 6th century, Japan was still in the pre-historical phase (prior to the importation of the Chinese writing system during the Nara period). The Gunma Prefectural archaeology unit in 1994 was able to date the eruption through zoological anthropology at the corral sites that were buried in ash. In the past, Gunma was joined with Tochigi Prefecture and called Kenu Province . This was later divided into Kami-tsu-ke (Upper Kenu, Gunma) and Shimo-tsu-ke (Lower Kenu, Tochigi). The area

660-1090: The mountain. The eruptions of Mount Asama mark the span of Japan's recorded history, including: 2019, 2009 , 2008 , 2004 , 2003, 1995 , 1990, 1983 , 1982 , 1973, 1965, 1961, 1958–59, 1953–55, 1952, 1952, 1950–51, 1949, 1947, 1946, 1944–45, 1938–42, 1935–37, 1934, 1934, 1933, 1931–32, 1930, 1929, 1929, 1927–28, 1924, 1922, 1920–21, 1919, 1918?, 1917, 1916, 1915, 1914, 1909–14, 1908, 1908, 1907, 1907, 1906, 1905?, 1904, 1903, 1902, 1902, 1900–01, 1899, 1899, 1894, 1889, 1879, 1878?, 1875, 1869, 1815, 1803, 1803, 1783 , 1779?, 1777, 1776, 1769, 1762, 1755, 1754, 1733, 1732, 1731, 1729, 1729, 1728, 1723, 1723, 1722, 1721, 1720, 1719, 1718, 1717, 1711, 1710, 1708–09, 1706, 1704, 1703, 1669, 1661, 1661, 1660, 1659, 1658, 1657, 1656, 1655, 1653, 1652, 1651, 1650?, 1649, 1648, 1648, 1647, 1645, 1644, 1609, 1605, 1604, 1600, 1598, 1597, 1596, 1596, 1595?, 1591, 1590, 1532, 1528, 1527, 1518, 1427?, 1281, 1108 , 887, 685. Note: The dates of eruptions featured in this article appear in bold italics. Onioshidashi ( Japanese : 鬼押出し ) "expelling demons"

693-456: The name of Subaru née Fuji Heavy Industries. In the 1930s, German architect Bruno Julius Florian Taut lived and conducted research for a while in Takasaki. The Girard incident , which disturbed US-Japanese relations in the 1950s, occurred in Gunma in 1957, at Sōmagahara Base  [ ja ] near Shibukawa . Four modern prime ministers are from Gunma, namely, Takeo Fukuda , Yasuhiro Nakasone , Keizo Obuchi , and Yasuo Fukuda ,

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726-540: The north, Nagano Prefecture to the southwest, Saitama Prefecture to the south, and Tochigi Prefecture to the east. Maebashi is the capital and Takasaki is the largest city of Gunma Prefecture, with other major cities including Ōta , Isesaki , and Kiryū . Gunma Prefecture is one of only eight landlocked prefectures, located on the northwestern corner of the Kantō Plain with 14% of its total land being designated as natural parks . The ancient province of Gunma

759-440: The river from Shibukawa Station in the east to the terminus at Omae Station in the west. Roughly divided into three sections, the river can be travelled by road using three National Highways: National Route 353 (in the east), National Route 145 (in the middle), and National Route 144 (in the west). This Gunma Prefecture location article is a stub . You can help Misplaced Pages by expanding it . This article related to

792-604: The son of Takeo. One of only eight landlocked prefectures in Japan, Gunma is the northwesternmost prefecture of the Kantō plain. Except for the central and southeast areas, where most of the population is concentrated, it is mostly mountainous. To the north are Niigata and Fukushima prefectures, while to the east lies Tochigi Prefecture . To the west lies the Nagano Prefecture , and the Saitama Prefecture

825-464: The summit and caused many fires. The eruption sent ash and rock as far away as 200 km (120 mi). Three small ash eruptions occurred at Asama volcano in August 2008. This was the first activity at the volcano since 2004. Mount Asama erupted in early February 2009, sending ash to a height of 2 km (6,600 ft), and throwing rocks up to 1 km (0.62 mi) from the crater. Ash fall

858-581: The summit of Asama volcano on 26 April. Fine ash fell in Tokyo, 130 km (80 mi) to the SE, for the first time in 23 years. An explosive eruption occurred on 8 April. Incandescent tephra was ejected, and ash fell 250 km (160 mi) from the volcano. In April 1995, more than 1000 earthquakes were detected at the volcanic mountain. A single vulcanian eruption occurred at Asama volcano at 11:02 UT on 1 September 2004. Incandescent blocks were ejected from

891-544: The top 100 best local dishes across all of Japan. Three dishes were featured from Gunma; yaki-manju, okkirikomi , and konnyaku . As of 2018, Gunma is home to eleven of Japan's over thirty Melody Roads . 2,559 grooves cut into a 175-meter stretch of the road surface in transmit a tactile vibration through the wheels into the car body . The roads can be found in Katashina, Minakami, Takayama, Kanna, Ueno, Kusatsu, Tsumagoi, Nakanojo, Takasaki, Midori, and Maebashi. Each

924-414: The town of Naganohara. Additionally, the building was ageing, and maintenance threatened to cost hundreds of millions of yen. A nearby building, Asama memorial hall ( 浅間記念館 ) exhibited motorbikes; the plan in summer 2020 was to move these to a municipally owned tourist facility, Asama pasture ( 浅間牧場 ), and to move some of the exhibits of the volcano museum to the memorial hall. Mount Asama served as

957-516: The towns and villages in each district : Because Gunma is situated in inland Japan, the difference in temperature in the summer compared to the winter is large, and there is less precipitation. This is because of the karakkaze ("empty wind"), a strong, dry wind that occurs in the winter when the snow falls on the coasts of Niigata. The wind carrying clouds with snow are obstructed by the Echigo Mountains , and it also snows there, although

990-540: The twentieth century, the Japanese aviation pioneer Nakajima Chikushi of Oizumi, Gunma Prefecture, founded the Nakajima Aircraft Company . At first, he produced mostly licensed models of foreign designs, but beginning with the all-Japanese Nakajima 91 fighter plane in 1931, his company became a world leader in aeronautical design and manufacture, with its headquarters at Ota, Gunma Ken. The factory now produces Subaru motorcars and other products under

1023-423: Was a center of horse breeding and trading activities for the newly immigrated continental peoples (or Toraijin ). The arrival of horses and the remains of horse tackle coincides with the arrival of a large migration from the mainland. From this point forward, the horse became a vital part of Japanese military maneuvers, quickly displacing the older Yayoi tradition of fighting on foot. When Mount Haruna erupted in

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1056-413: Was open from April until November. Visitor numbers peaked at 265,000 in 1994; however, seismic activity at nearby Mount Asama was one reason for frequent closures. The closures were a factor in the drop in visitors: this gradually fell to 23,000. In the later years of the museum, most of the visitors were on school excursions. The museum was running a deficit of about 17 million yen per year, paid for by

1089-554: Was reported in Tokyo, 145 km (90 mi) southeast of the volcano crater. On 16 February there were 13 recorded volcanic earthquakes and an eruption emitting smoke and ash in a cloud 400 m (1,300 ft) high. Mount Asama continued to have small eruptions, tremors and earthquakes in February and remained on level-3 alert, with a danger zone within 4 km (2.5 mi) of the crater. A small eruption occurred on August 7th, 2019, with smoke reaching about 1,800 meters above

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