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Fossa Magna

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Fossa Magna is a great rift lowland in Japan . It is often confused with the Itoigawa-Shizuoka Tectonic Line . However, Itoigawa-Shizuoka Tectonic Line is a line; Fossa Magna is an area. Fossa Magna is Latin for "great crevasse". This name was given by Heinrich Edmund Naumann .

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14-553: Fossa Magna Museum is a museum that is located in Itoigawa , Niigata Prefecture . It opened on April 25, 1994. It is part of Itoigawa UNESCO Global Geopark. Itoigawa is located directly above Itoigawa-Shizuoka Tectonic Line and is a place where you can observe a wide variety of rocks, minerals, geological structures and so on. The Fossa Magna Park , a geopark , is also located in Itoigawa. This Japanese location article

28-592: Is 2,901.5 mm (114.23 in) with December as the wettest month. The temperatures are highest on average in August, at around 26.6 °C (79.9 °F), and lowest in January, at around 3.6 °C (38.5 °F). In addition, Itoigawa has the highest record warm daily minimum in Japan, at 31.4 °C (88.5 °F) on August 10, 2023. Per Japanese census data, the population of Itoigawa has declined steadily over

42-495: Is a stub . You can help Misplaced Pages by expanding it . Itoigawa Itoigawa ( 糸魚川市 , Itoigawa-shi ) is a city located in Niigata Prefecture , Japan . As of 1 September 2024 , the city had an estimated population of 38,224 living in 17,028 households, and a population density of 51 persons per km . The total area of the city is 746.24 square kilometres (288.12 sq mi). Itoigawa

56-606: Is located in the far southwestern corner of Niigata Prefecture, bordered by the Sea of Japan to the north, Nagano Prefecture to the south, and Toyama Prefecture to the west. Parts of the city are within the borders of the Chūbu-Sangaku National Park or the Myōkō-Togakushi Renzan National Park . Itoigawa is also famous for its jade which can be found on local beaches. Itoigawa also lends its name to

70-639: The Itoigawa-Shizuoka Tectonic Line , a major fault that runs from Itoigawa, through Lake Suwa to the city of Shizuoka in Shizuoka Prefecture , forming the western border of the Fossa Magna . Itoigawa has a Humid climate (Köppen Cfa ) characterized by warm, wet summers and cold winters with heavy snowfall. The average annual temperature in Itoigawa is 14.4 °C (57.9 °F). The average annual rainfall

84-427: The strong-mayor variant and the weak-mayor variant. In a typical strong-mayor system, the elected mayor is granted almost total administrative authority with the power to appoint and dismiss department heads, although some city charters or prevailing state law may require council ratification. In such a system, the mayor's administrative staff often prepares the city budget, although that budget must be approved by

98-543: The Niigata Prefectural Assembly. In terms of national politics, the city is part of Niigata 6th district of the lower house of the Diet of Japan . Commercial fishing and the production of limestone and cement are the mainstays of the local economy. Itoigawa has 14 public elementary schools and four public middle schools operated by the city government, and three public high schools operated by

112-578: The Niigata Prefectural Bureau of Education. The city and prefecture also operate one special education school each for the handicapped. [REDACTED] – Hokuriku Shinkansen [REDACTED] JR West - Ōito Line [REDACTED] Echigo Tokimeki Railway - Nihonkai Hisui Line [REDACTED] Ainokaze Toyama Railway Mayor-council Executive mayor elected by the people, elected legislative City council Council - Manager Executive leader elected by

126-413: The council from among themselves Elected mayor and cabinet Executive mayor elected by the people Committee system Executive leader and executive committees elected by the council from among themselves A mayor–council government is a system of local government in which a mayor who is directly elected by the voters acts as chief executive, while a separately elected city council constitutes

140-447: The council. The mayor may also have veto rights over council votes, with the council able to override such a veto. Conversely, in a weak-mayor system, the mayor has no formal authority outside the council, serving a largely ceremonial role as council chairperson and is elected by the citizens of the city. The mayor cannot directly appoint or remove officials and lacks veto power over council votes. Most major North American cities use

154-465: The legislative body. It is one of the two most common forms of local government in the United States , and is the form most frequently adopted in large cities, although the other common form, council–manager government , is the local government form of more municipalities. The form may be categorized into two main variations depending on the relative power of the mayor compared to the council,

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168-572: The modern municipalities system on April 1, 1889, Itoigawa became a town within Nishikubiki District, Niigata . The modern city was created on June 1, 1954 when the former town of Itoigawa absorbed the villages of Uramoto, Shimohayakawa, Kamihayakawa, Yamatogawa, Saikai, Ōno (Daino), Nechi and Kotati (Otaki) to elevate city status. On April 1, 2005, the towns of Nō and Ōmi (both from Nishikubiki District ) were merged into Itoigawa. A great many jadeite beads and axe heads as well as

182-566: The past 70 years and is now less than it was a century ago. The area of present-day Itoigawa was part of ancient Echigo Province . Historically, Itoigawa lies at the end of the shio no michi (salt road) that supplied salt from the Sea of Japan to Edo via Shinano Province . During the Edo period , Itoigawa was the castle town for Itoigawa Domain . After the Meiji restoration , with the establishment of

196-560: The remains of jadeite workshops from the Neolithic era have been uncovered in Itoigawa. These beads and axes were traded throughout Japan and the Korean Peninsula and were produced by the world's oldest known jadeite-using culture, centered on the Itoigawa region. Itoigawa has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 20 members. Itoigawa contributes one member to

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