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Aso, Kumamoto

Coordinates: 32°57′07″N 131°07′17″E / 32.95194°N 131.12139°E / 32.95194; 131.12139
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Aso
阿蘇市
Aso City with Mount Aso
Aso City with Mount Aso
Flag of Aso
Official seal of Aso
Map
Location of Aso in Kumamoto Prefecture
Location of Aso
Aso is located in Kumamoto Prefecture
Aso
Aso
Location in Japan
Aso is located in Kyushu
Aso
Aso
Aso (Kyushu)
Aso is located in Japan
Aso
Aso
Aso (Japan)
Coordinates: 32°57′07″N 131°07′17″E / 32.95194°N 131.12139°E / 32.95194; 131.12139
CountryJapan
RegionKyushu
PrefectureKumamoto
City establishedFebruary 11, 2005
Government
 • MayorYoshioki Sato (since March 2005)
Area
 • Total
376.30 km2 (145.29 sq mi)
Population
 (July 31, 2024)
 • Total
24,240
 • Density64/km2 (170/sq mi)
Time zoneUTC+09:00 (JST)
City hall addressIchinomiya Miyaji 504-1, Aso-shi, Kumamoto-ken 869-2695
ClimateCfa
WebsiteOfficial website
Symbols
BirdGreen pheasant
FlowerGentiana scabra
TreeAzalea
Aso City Hall
Aso Jinja

Aso (阿蘇市, Aso-shi) is a city located in Kumamoto Prefecture, Japan. As of 31 July 2024, the city had an estimated population of 24,240 in 11741 households, and a population density of 64 persons per km2.[1] The total area of the city is 376.30 km2 (145.29 sq mi).

Geography

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Aso is located in the Kyushu Mountains, about 50 kilometers from Kumamoto City in the northeastern part of Kumamoto Prefecture, and borders Oita Prefecture in the eastern and northwestern parts of the city. Most of the former Aso Town and former Ichinomiya Town areas (the former Hano Village is outside the caldera) are included in the caldera basin formed by Mount Aso. (Five Peaks of Mount Aso) The source of the Kikuchi River is located in the city.[2]

Surrounding municipalities

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Kumamoto Prefecture

Oita Prefecture

Climate

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Aso has a humid subtropical climate (Köppen climate classification Cfa) with hot, humid summers and cool winters. There is significant precipitation throughout the year, especially during June and July. The average annual temperature in Aso is 13.2 °C (55.8 °F). The average annual rainfall is 3,009.6 mm (118.49 in) with June as the wettest month. The temperatures are highest on average in August, at around 24.2 °C (75.6 °F), and lowest in January, at around 2.0 °C (35.6 °F).[3] The highest temperature ever recorded in Aso was 34.9 °C (94.8 °F) on 11 August 2016; the coldest temperature ever recorded was −14.8 °C (5.4 °F) on 25 January 1998.[4]

Climate data for Aso (1991−2020 normals, extremes 1978−present)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 17.4
(63.3)
21.5
(70.7)
24.0
(75.2)
27.3
(81.1)
30.6
(87.1)
32.1
(89.8)
34.0
(93.2)
34.9
(94.8)
33.2
(91.8)
31.1
(88.0)
24.7
(76.5)
20.2
(68.4)
34.9
(94.8)
Mean daily maximum °C (°F) 7.1
(44.8)
8.9
(48.0)
12.7
(54.9)
18.0
(64.4)
22.5
(72.5)
24.6
(76.3)
28.2
(82.8)
29.3
(84.7)
26.1
(79.0)
21.0
(69.8)
15.4
(59.7)
9.5
(49.1)
18.6
(65.5)
Daily mean °C (°F) 2.0
(35.6)
3.4
(38.1)
6.9
(44.4)
11.9
(53.4)
16.7
(62.1)
20.2
(68.4)
23.8
(74.8)
24.2
(75.6)
20.8
(69.4)
15.1
(59.2)
9.2
(48.6)
3.8
(38.8)
13.2
(55.7)
Mean daily minimum °C (°F) −2.7
(27.1)
−1.8
(28.8)
1.2
(34.2)
5.7
(42.3)
11.0
(51.8)
16.3
(61.3)
20.5
(68.9)
20.5
(68.9)
16.5
(61.7)
9.7
(49.5)
3.6
(38.5)
−1.4
(29.5)
8.3
(46.9)
Record low °C (°F) −14.8
(5.4)
−12.5
(9.5)
−8.5
(16.7)
−5.2
(22.6)
0.6
(33.1)
6.0
(42.8)
10.7
(51.3)
12.5
(54.5)
4.8
(40.6)
−1.9
(28.6)
−5.4
(22.3)
−10.2
(13.6)
−14.8
(5.4)
Average precipitation mm (inches) 92.7
(3.65)
134.8
(5.31)
197.2
(7.76)
219.2
(8.63)
261.3
(10.29)
667.9
(26.30)
582.6
(22.94)
291.0
(11.46)
247.8
(9.76)
118.7
(4.67)
109.7
(4.32)
86.9
(3.42)
3,009.6
(118.49)
Average precipitation days (≥ 1.0 mm) 8.3 9.5 12.3 11.4 11.3 16.4 16.4 13.2 11.6 8.2 8.5 8.2 135.3
Mean monthly sunshine hours 106.6 119.7 152.2 172.4 178.4 115.7 139.6 160.4 136.2 158.8 132.7 117.8 1,697.1
Source: Japan Meteorological Agency[4][3]

Demographics

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Per Japanese census data, the population of Aso in 2020 is 24,930 people.[5]

Historical population
YearPop.±%
1920 27,085—    
1925 28,407+4.9%
1930 30,029+5.7%
1935 31,029+3.3%
1940 30,451−1.9%
1945 39,645+30.2%
1950 40,001+0.9%
1955 41,617+4.0%
1960 40,385−3.0%
1965 38,055−5.8%
1970 35,878−5.7%
YearPop.±%
1975 34,607−3.5%
1980 34,004−1.7%
1985 33,504−1.5%
1990 33,018−1.5%
1995 31,364−5.0%
2000 30,457−2.9%
2005 29,636−2.7%
2010 28,452−4.0%
2015 27,018−5.0%
2020 24,930−7.7%
Aso population statistics[5]

History

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The area of Aso was part of ancient Higo Province. The name appears in the Nihon Shoki as "Aso-no-kuni" and was ruled by the Aso clan from ancient times. During the Edo Period it was part of the holdings of Kumamoto Domain. After the Meiji restoration, the villages of Uchimaki, Kurokawa, Eisui, Ogaishi, Yamada, Miyaji, Furushiro, Nakadori, Sakanashi and Namino were established in Aso District with the creation of the modern municipalities system on April 1, 1889. Miyaji was raised to town status on August 27, 1895, followed by Uchimaki on April 1, 1906. On April 1, 1954 Uchimaki merged with the villages of Kurokawa, Eisui, Ogaishi, and Village and was renamed Aso Town. Miyaji likewise merged with the villages of Furushiro, Nakadori, and Village to become the town of Ichinomiya. On February 11, 2005, Aso Town, Ichinomiya Town, and village of Namino are merged to become the city of Aso.

Government

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Aso has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Aso contributes one member to the Kumamoto Prefectural Assembly. In terms of national politics, the city is part of the Kumamoto 3rd district of the lower house of the Diet of Japan.

Economy

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Aso has an economy based primarily on agriculture, including livestock raising.

Education

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Aso has five public elementary schools and three public junior high schools operated by the city government and one public high school operated by the Kumamoto Prefectural Board of Education.

Transportation

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Railways

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JR Kyushu - Hōhi Main Line

‹See TfM›Akamizu - ‹See TfM›Ichinokawa - ‹See TfM›Uchinomaki - ‹See TfM›Aso - ‹See TfM›Ikoi-no-Mura - ‹See TfM›Miyaji - ‹See TfM›Namino - ‹See TfM›Takimizu

Highways

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Local attractions

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Mount Aso and Cable car

Notable people from Aso

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References

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  1. ^ "Aso City official statistics" (in Japanese). Japan.
  2. ^ Okamura, Maya; Minagawa, Tomoko (2016). "Historical and Physical Evaluation of Floodplain Habitats in The River Channel of the Kikuchi River Archived 2017-12-01 at the Wayback Machine" (PDF). 11th International Symposium on Ecohydraulics (ISE 2016). Engineers Australia: 91–98. ISBN 9780734053398.
  3. ^ a b 気象庁 / 平年値(年・月ごとの値). JMA. Retrieved April 15, 2022.
  4. ^ a b 観測史上1~10位の値(年間を通じての値). JMA. Retrieved April 15, 2022.
  5. ^ a b Aso population statistics
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