Okushiri (奥尻町, Okushiri-chō) is a town on Okushiri Island, located in Hiyama Subprefecture, Hokkaido, Japan.
Okushiri
奥尻町 | |
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Town | |
![]() Flag ![]() Chapter | |
![]() Location of Okushiri in Hokkaido (Hiyama Subprefecture) | |
![]() ![]() Okushiri Location in Japan | |
Coordinates: 42°10′N 139°31′E | |
Country | Japan |
Region | Hokkaido |
Prefecture | Hokkaido (Hiyama Subprefecture) |
District | Okushiri District, Hokkaido |
Government | |
• Mayor | Takumi Shimmura |
Area | |
• Total | 142.98 km2 (55.20 sq mi) |
Population (30 September 2016) | |
• Total | 2,812 |
• Density | 20/km2 (51/sq mi) |
Time zone | UTC+09:00 (JST) |
City hall address | 806 Okushiri, Okushiri-chō, Okushiri-gun, Hokkaidō 043-1498 |
Climate | Cfa |
Website | www |
Symbols | |
Flower | Rugosa rose |
Tree | Japanese yew |
As of September 2016, the town has an estimated population of 2,812, and a density of 20 persons per km2. The total area is 142.98 km2.
Hiyama Prefectural Natural Park encompasses the entire island and town.
The name Okushiri comes from the Ainu name Ikusyun-shiri. Iku means other side and shiri means island.[1] However, the Japanese meaning of the two kanji used for the name mean "deep inside/innermost" and "buttocks/hips".
On July 12, 1993,[2] the Southwest Hokkaido Open Sea earthquake (北海道南西沖地震) of magnitude 7.8[2] in the Sea of Japan off southwest Hokkaido created a devastating tsunami. This tsunami killed 198[2] people in the town, despite a tsunami warning system and a seawall, and also caused landslides on the hills above. Another 32 people were missing, including 3 in Russia and 129 were injured. The subsequent fire burned down much of what remained. The island was reshaped by the tsunami, which was 10 meters high in town. The tsunami struck within five minutes of the earthquake, leaving residents absolutely no warning.
Okushiri has a humid continental climate (Köppen Dfa) closely bordering on a humid subtropical climate (Cfa). The average annual temperature in Okushiri is 10.3 °C (50.5 °F). The average annual rainfall is 920.1 mm (36.22 in) with August as the wettest month. The temperatures are highest on average in August, at around 22.5 °C (72.5 °F), and lowest in January, at around −0.4 °C (31.3 °F).[3] The highest temperature ever recorded in Okushiri was 33.2 °C (91.8 °F) on 10 August 1999; the coldest temperature ever recorded was −13.4 °C (7.9 °F) on 2 February 1996.[4]
Climate data for Okushiri, 1991–2020 normals, extremes 1976–present | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °C (°F) | 9.6 (49.3) |
12.9 (55.2) |
14.5 (58.1) |
21.5 (70.7) |
23.1 (73.6) |
26.4 (79.5) |
31.2 (88.2) |
33.2 (91.8) |
30.9 (87.6) |
23.8 (74.8) |
19.0 (66.2) |
14.6 (58.3) |
33.2 (91.8) |
Mean maximum °C (°F) | 6.7 (44.1) |
7.6 (45.7) |
11.4 (52.5) |
16.3 (61.3) |
20.3 (68.5) |
23.6 (74.5) |
27.2 (81.0) |
28.8 (83.8) |
26.8 (80.2) |
21.3 (70.3) |
16.8 (62.2) |
10.5 (50.9) |
29.3 (84.7) |
Average high °C (°F) | 1.6 (34.9) |
1.9 (35.4) |
5.3 (41.5) |
10.0 (50.0) |
14.6 (58.3) |
19.0 (66.2) |
22.9 (73.2) |
25.4 (77.7) |
22.6 (72.7) |
16.6 (61.9) |
10.0 (50.0) |
3.9 (39.0) |
12.8 (55.0) |
Daily mean °C (°F) | −0.4 (31.3) |
−0.2 (31.6) |
3.0 (37.4) |
7.4 (45.3) |
11.7 (53.1) |
16.0 (60.8) |
20.1 (68.2) |
22.5 (72.5) |
20.0 (68.0) |
14.2 (57.6) |
7.6 (45.7) |
1.7 (35.1) |
10.3 (50.5) |
Average low °C (°F) | −2.4 (27.7) |
−2.2 (28.0) |
0.7 (33.3) |
5.0 (41.0) |
9.3 (48.7) |
13.6 (56.5) |
17.9 (64.2) |
20.1 (68.2) |
17.5 (63.5) |
11.8 (53.2) |
5.1 (41.2) |
−0.5 (31.1) |
8.0 (46.4) |
Mean minimum °C (°F) | −7.5 (18.5) |
−7.5 (18.5) |
−4.5 (23.9) |
0.5 (32.9) |
4.9 (40.8) |
9.4 (48.9) |
14.0 (57.2) |
16.4 (61.5) |
12.5 (54.5) |
5.4 (41.7) |
−2.1 (28.2) |
−6.4 (20.5) |
−8.6 (16.5) |
Record low °C (°F) | −12.7 (9.1) |
−13.4 (7.9) |
−10.4 (13.3) |
−4.6 (23.7) |
0.2 (32.4) |
5.0 (41.0) |
8.9 (48.0) |
12.1 (53.8) |
6.6 (43.9) |
−0.2 (31.6) |
−7.6 (18.3) |
−13.2 (8.2) |
−13.4 (7.9) |
Average precipitation mm (inches) | 29.6 (1.17) |
34.1 (1.34) |
42.4 (1.67) |
64.2 (2.53) |
83.8 (3.30) |
76.3 (3.00) |
113.3 (4.46) |
127.1 (5.00) |
122.7 (4.83) |
90.4 (3.56) |
84.2 (3.31) |
61.9 (2.44) |
920.1 (36.22) |
Average precipitation days (≥ 1.0 mm) | 6.3 | 5.4 | 6.6 | 7.7 | 8.4 | 7.3 | 8.7 | 8.1 | 9.5 | 11.0 | 11.1 | 9.2 | 98.6 |
Mean monthly sunshine hours | 45.2 | 71.3 | 158.2 | 207.9 | 196.2 | 178.4 | 154.3 | 199.1 | 189.1 | 160.6 | 87.0 | 46.3 | 1,698.2 |
Source 1: JMA[4] | |||||||||||||
Source 2: JMA[3] |
Climate data for Okushiri Airport (2003−2020 normals, extremes 2003−present) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Record high °C (°F) | 9.3 (48.7) |
11.1 (52.0) |
12.6 (54.7) |
22.4 (72.3) |
24.3 (75.7) |
26.7 (80.1) |
31.1 (88.0) |
32.5 (90.5) |
30.2 (86.4) |
23.6 (74.5) |
18.5 (65.3) |
13.9 (57.0) |
32.5 (90.5) |
Average high °C (°F) | 0.7 (33.3) |
1.4 (34.5) |
5.1 (41.2) |
9.8 (49.6) |
14.4 (57.9) |
18.7 (65.7) |
22.4 (72.3) |
25.1 (77.2) |
22.4 (72.3) |
16.4 (61.5) |
9.7 (49.5) |
3.3 (37.9) |
12.5 (54.4) |
Daily mean °C (°F) | −1.6 (29.1) |
−1.0 (30.2) |
2.3 (36.1) |
6.8 (44.2) |
11.3 (52.3) |
15.8 (60.4) |
19.8 (67.6) |
22.2 (72.0) |
19.4 (66.9) |
13.5 (56.3) |
7.0 (44.6) |
0.8 (33.4) |
9.7 (49.4) |
Average low °C (°F) | −3.9 (25.0) |
−3.5 (25.7) |
−0.5 (31.1) |
3.6 (38.5) |
8.2 (46.8) |
13.1 (55.6) |
17.5 (63.5) |
19.6 (67.3) |
16.2 (61.2) |
10.1 (50.2) |
3.9 (39.0) |
−1.8 (28.8) |
6.9 (44.4) |
Record low °C (°F) | −11.1 (12.0) |
−13.0 (8.6) |
−7.7 (18.1) |
−2.4 (27.7) |
0.5 (32.9) |
5.7 (42.3) |
10.4 (50.7) |
11.0 (51.8) |
7.5 (45.5) |
2.4 (36.3) |
−5.7 (21.7) |
−10.9 (12.4) |
−13.0 (8.6) |
Average precipitation mm (inches) | 31.3 (1.23) |
30.9 (1.22) |
40.3 (1.59) |
53.0 (2.09) |
87.4 (3.44) |
82.7 (3.26) |
108.4 (4.27) |
112.0 (4.41) |
113.8 (4.48) |
76.8 (3.02) |
74.1 (2.92) |
57.7 (2.27) |
868.2 (34.18) |
Average precipitation days (≥ 1.0 mm) | 8.6 | 6.9 | 7.6 | 7.1 | 8.7 | 8.2 | 8.9 | 7.1 | 9.3 | 10.1 | 11.6 | 10.1 | 104.2 |
Source: Japan Meteorological Agency[5][6] |
Okushiri Island is accessible by air or sea. Okushiri Airport serves the island with daily flights to and from Hakodate Airport. Regular ferry services to and from Esashi (2 hours and 20 minutes) and Setana (1 hour and 40 minutes) are provided by Heartland Ferry, and time timetable changes seasonally.[7]
A local bus service operates year-round.
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