Town in Tōhoku, Japan
| Iwaizumi 岩泉町 | |
|---|---|
| Town | |
 Iwaizumi Town Hall | |
 Flag Seal | |
 Location of Iwaizumi in Iwate Prefecture | |
  Iwaizumi | |
| Coordinates: 39°50′35.3″N 141°47′47″E / 39.843139°N 141.79639°E / 39.843139; 141.79639 | |
| Country | Japan |
| Region | Tōhoku |
| Prefecture | Iwate |
| District | Shimohei |
| Area | |
| • Total | 992.36 km (383.15 sq mi) |
| Population | |
| • Total | 8,987 |
| • Density | 9.1/km (23/sq mi) |
| Time zone | UTC+9 (Japan Standard Time) |
| Phone number | 0194-22-2111 |
| Address | Iwaizumi-aze Sohata 59-5, Iwaizumi-chō, Shimohei-gun, Iwate 027-0595 |
| Climate | Cfa |
| Website | Official website |
| Symbols | |
| Bird | Copper pheasant |
| Flower | Kiri |
| Tree | Japanese red pine |
Iwaizumi (岩泉町, Iwaizumi-chō) is a town located in Iwate Prefecture, Japan. As of 29 February 2024, the town had a population of 8,006, and a population density of 8.1 persons per km² in 4123 households. The total area of the town is 992.36 square kilometres (383.15 sq mi).
History
The area of present-day Iwaizumi was part of the ancient Mutsu Province, which was dominated by the Nambu clan during the Edo period, who ruled Morioka Domain under the Tokugawa shogunate.
With the Meiji period establishment of the modern municipalities system, the village of Iwaizumi was created within Kitahei District on April 1, 1889. Kitahei, Nakahei and Higashihei Districts were all merged into Minamihei District on March 29, 1896.
Iwaizumi was elevated to town status on August 1, 1922. On September 30, 1956, Imaizumi annexed the neighboring villages of Akka, Ugei, Okawa and Omoto and on April 1, 1957, annexed the village of Kogawa to reach is present borders.
In August 2016, Typhoon Lionrock hit the town with strong winds and heavy rain that caused landslides and flooding. 19 people died, including 9 people who drowned in a nursing home after a river burst its banks.
Geography
Iwaizumi is in the Kitakami Mountains of northeast Iwate prefecture, east of the prefectural capital of Morioka. It has a small coastline on the Pacific Ocean to the east. The area has numerous limestone caves, including the Ryūsendō.
Neighboring municipalities
Iwate Prefecture
Climate
Iwaizumi has a humid climate (Köppen climate classification Cfa) characterized by mild summers and cold winters with heavy snowfall. The average annual temperature in Iwaizumi is 9.5 °C. The average annual rainfall is 1283 mm with September as the wettest month and February as the driest month. The temperatures are highest on average in August, at around 22.3 °C, and lowest in January, at around −2.0 °C.
| Climate data for Iwaizumi, Iwate (1991−2020 normals, extremes 1976−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 15.8 (60.4) |
20.5 (68.9) |
24.5 (76.1) |
31.9 (89.4) |
34.8 (94.6) |
36.3 (97.3) |
37.0 (98.6) |
38.5 (101.3) |
35.5 (95.9) |
29.3 (84.7) |
25.7 (78.3) |
22.0 (71.6) |
38.5 (101.3) |
| Mean daily maximum °C (°F) | 3.6 (38.5) |
4.5 (40.1) |
8.8 (47.8) |
15.6 (60.1) |
20.8 (69.4) |
23.3 (73.9) |
26.5 (79.7) |
27.7 (81.9) |
24.0 (75.2) |
18.6 (65.5) |
12.8 (55.0) |
6.2 (43.2) |
16.0 (60.9) |
| Daily mean °C (°F) | −1.0 (30.2) |
−0.5 (31.1) |
3.0 (37.4) |
8.9 (48.0) |
14.1 (57.4) |
17.5 (63.5) |
21.2 (70.2) |
22.3 (72.1) |
18.4 (65.1) |
12.2 (54.0) |
6.4 (43.5) |
1.3 (34.3) |
10.3 (50.6) |
| Mean daily minimum °C (°F) | −5.0 (23.0) |
−5.0 (23.0) |
−2.0 (28.4) |
2.7 (36.9) |
8.1 (46.6) |
12.5 (54.5) |
17.2 (63.0) |
18.2 (64.8) |
14.1 (57.4) |
7.1 (44.8) |
1.2 (34.2) |
−2.8 (27.0) |
5.5 (42.0) |
| Record low °C (°F) | −16.0 (3.2) |
−17.1 (1.2) |
−13.1 (8.4) |
−6.3 (20.7) |
−2.1 (28.2) |
1.2 (34.2) |
6.8 (44.2) |
7.5 (45.5) |
4.3 (39.7) |
−3.0 (26.6) |
−7.2 (19.0) |
−14.2 (6.4) |
−17.1 (1.2) |
| Average precipitation mm (inches) | 51.5 (2.03) |
40.8 (1.61) |
63.7 (2.51) |
70.0 (2.76) |
82.4 (3.24) |
104.6 (4.12) |
151.3 (5.96) |
165.0 (6.50) |
181.0 (7.13) |
129.2 (5.09) |
52.6 (2.07) |
58.1 (2.29) |
1,151.3 (45.33) |
| Average snowfall cm (inches) | 77 (30) |
77 (30) |
45 (18) |
4 (1.6) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
2 (0.8) |
33 (13) |
243 (96) |
| Average rainy days | 4.9 | 5.6 | 8.0 | 8.5 | 9.2 | 9.6 | 12.2 | 11.6 | 11.7 | 8.5 | 6.9 | 6.0 | 102.7 |
| Average snowy days | 10.1 | 9.7 | 4.5 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 4.2 | 29.1 |
| Mean monthly sunshine hours | 134.8 | 138.7 | 174.6 | 186.7 | 190.7 | 161.6 | 132.7 | 146.1 | 131.8 | 143.7 | 133.6 | 124.4 | 1,807.2 |
| Source 1: JMA | |||||||||||||
| Source 2: JMA | |||||||||||||
Demographics
Per Japanese census data, the population of Iwaizumi peaked in around the year 1960 and has declined steadily over the past 60 years, and is now less than half of what it was in the year 1970, and less than it was a century ago.
| Year | Pop. | ±% |
|---|---|---|
| 1920 | 15,286 | — |
| 1930 | 17,326 | +13.3% |
| 1940 | 22,894 | +32.1% |
| 1950 | 24,751 | +8.1% |
| 1960 | 27,813 | +12.4% |
| 1970 | 22,177 | −20.3% |
| 1980 | 18,267 | −17.6% |
| 1990 | 15,164 | −17.0% |
| 2000 | 12,845 | −15.3% |
| 2010 | 10,804 | −15.9% |
| 2020 | 8,726 | −19.2% |
Government
Iwaizumi has a mayor-council form of government with a directly elected mayor and a unicameral village council of 10 members. Iwaizumi, together with the city of Miyako and the villages of Fudai, Tanohata and Yamada, collectively contributes three seats to the Iwate Prefectural legislature. In terms of national politics, the village is part of Iwate 2nd district of the lower house of the Diet of Japan.
Economy
The local economy is based on agriculture and to a lesser extent on commercial fishing.
Education
Iwaizumi has five public elementary schools and three public junior high schools operated by the town government, and one public high school operated by the Iwate Prefectural Board of Education.
Transportation
Railway
Sanriku Railway – Kita-Rias Line
The JR East Iwaizumi Line, which connected Iwaizumi with Moichi Station on the Yamada Line suspended operations on 31 July 2010, due to a landslide. The line was officially closed on April 1, 2014, owing to low public demand.
Highway
Local attractions
International relations
Wisconsin Dells, Wisconsin, USA, sister city since August 1990
Noted people from Iwaizumi
- Kin Endate – amateur astronomer
- Rika Miura – actress
- Shunsuke Sato – video game composer
References
- Iwaizumi Town official statistics
- Iwaizumi climate data
- 観測史上1～10位の値（年間を通じての値）. JMA. Retrieved February 19, 2022.
- 気象庁 / 平年値（年・月ごとの値）. JMA. Retrieved February 19, 2022.
- Iwaizumi population statistics
- Krejci, Anna (October 22, 2010). "Dells-Iwaizumi mark 20 years of sister city relations". Wisconsin Dells Events. Retrieved July 20, 2013.
External links
Media related to Iwaizumi, Iwate at Wikimedia Commons
- Official Website (in Japanese)
 Iwate Prefecture | ||
|---|---|---|
| Morioka (capital) | ||
| Core city |  | |
| Cities | ||
| Districts | ||
| List of mergers in Iwate Prefecture | ||