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宮城島 Nakagushiku-Jima | |
|---|---|
 Aerial view of Miyagi Island | |
 Interactive map of Miyagi Island | |
| Geography | |
| Coordinates | 26°22′11″N127°59′01″E / 26.36972°N 127.98361°E /26.36972; 127.98361 |
| Archipelago | Ryukyu Islands |
| Area | 5.54 km2 (2.14 sq mi) |
| Highest elevation | 121.4 m (398.3 ft) |
| Administration | |
| Okinawa Prefecture | |
| Uruma City | |
| Demographics | |
| Ethnic groups | Ryukyuan,Japanese |
Miyagi Island (宮城島,Okinawan:Naagushiku-jima[1]) is an island located in theYokatsu Islands ofOkinawa Prefecture,Japan.[2] It is also known asTakanaharijima (タカナハリジマ) in theOkinawan language, meaning "a high and distant island".[3] This is a reference to its greater elevation compared to other nearby landmarks.[2]
Miyagi Island is connected to the mainOkinawa Island through a bridge that runs acrossHenza Island, making it accessible by car or bus.[2] There are four villages on the island:Uehara (上原),Miyagi (宮城),Tōbaru (桃原) andIkemi (池味).[4]
Along with the rest of the Yokatsu Islands, Miyagi was under the control ofChūzan during theSanzan period. In 1429, Chūzan united the Okinawa Islands and formed theRyukyu Kingdom.[5] Under Ryukyuan rule, Miyagi Island was used as a place of exile for political criminals.[4][3] In 1879, the Ryukyu Kingdom was annexed by theJapanese Empire, and control of Miyagi Island was transferred toOkinawa Prefecture.[5]
At the end ofWorld War II, Miyagi Island went under the control of theUnited States Civil Administration of the Ryukyu Islands, lasting from 1950 to 1972.[6] It was returned to Japan following theOkinawa Reversion Agreement.
As evidenced by the ruins of Shigumu and Takamine, humans have inhabited the island since ancient times.[4]
| Climate data for Miyagi Island (2008−2020 normals, extremes 2008−present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 25.4 (77.7) | 26.8 (80.2) | 26.7 (80.1) | 28.9 (84.0) | 32.4 (90.3) | 32.3 (90.1) | 34.7 (94.5) | 35.6 (96.1) | 34.3 (93.7) | 33.1 (91.6) | 30.7 (87.3) | 28.3 (82.9) | 35.6 (96.1) |
| Mean daily maximum °C (°F) | 19.0 (66.2) | 19.8 (67.6) | 21.1 (70.0) | 23.1 (73.6) | 25.9 (78.6) | 28.8 (83.8) | 30.9 (87.6) | 31.1 (88.0) | 30.2 (86.4) | 27.5 (81.5) | 24.3 (75.7) | 20.5 (68.9) | 25.2 (77.3) |
| Daily mean °C (°F) | 16.7 (62.1) | 17.2 (63.0) | 18.5 (65.3) | 20.5 (68.9) | 23.4 (74.1) | 26.4 (79.5) | 28.3 (82.9) | 28.4 (83.1) | 27.5 (81.5) | 25.1 (77.2) | 22.0 (71.6) | 18.3 (64.9) | 22.7 (72.8) |
| Mean daily minimum °C (°F) | 14.7 (58.5) | 15.2 (59.4) | 16.4 (61.5) | 18.5 (65.3) | 21.5 (70.7) | 24.6 (76.3) | 26.4 (79.5) | 26.5 (79.7) | 25.6 (78.1) | 23.3 (73.9) | 20.3 (68.5) | 16.4 (61.5) | 20.8 (69.4) |
| Record low °C (°F) | 4.9 (40.8) | 9.7 (49.5) | 9.0 (48.2) | 12.5 (54.5) | 15.5 (59.9) | 19.1 (66.4) | 20.8 (69.4) | 23.0 (73.4) | 21.2 (70.2) | 18.3 (64.9) | 13.9 (57.0) | 9.6 (49.3) | 4.9 (40.8) |
| Averageprecipitation mm (inches) | 83.4 (3.28) | 106.9 (4.21) | 118.1 (4.65) | 141.2 (5.56) | 294.7 (11.60) | 293.5 (11.56) | 124.3 (4.89) | 185.3 (7.30) | 172.5 (6.79) | 203.0 (7.99) | 134.9 (5.31) | 98.8 (3.89) | 1,945.4 (76.59) |
| Average precipitation days(≥ 1.0 mm) | 9.2 | 9.0 | 9.3 | 10.3 | 11.8 | 12.6 | 8.3 | 11.1 | 10.6 | 8.9 | 8.1 | 9.2 | 118.4 |
| Mean monthlysunshine hours | 98.0 | 102.0 | 143.9 | 143.3 | 154.4 | 183.7 | 275.1 | 250.1 | 217.2 | 176.4 | 130.5 | 105.9 | 1,980.6 |
| Source:Japan Meteorological Agency[7][8] | |||||||||||||
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