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Ōshima, Japan

Full City Profile

4.1 /5.0
A Great
14,798 Population 43/sq mi density
10 ft Elevation 3 meters
59°F Avg Temperature 15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$29,400 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Ōshima enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 41°F in January while summers reach 77°F in July. The area gets 214 sunny days per year. Annual precipitation totals 67.2 inches. The area receives 0.0 inches of snow annually.

Temperature

41°F Jan (5°C) 77°F Jul (25°C)
Annual Average59.0°F
9% above US avg
January Average41°F (5°C)
July Average77°F (25°C)
Sunny Days214 days/yr

Geography

Elevation10 ft (3 m)
Area344.9 sq mi (893.3 km²)
Population Density43/sq mi
Coordinates33.9398°N, 132.1909°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 67.2"
77% above US avg
Snowfall 0.0"
Wettest Month (Jun) 10.91"
Driest Month (Dec) 1.85"

Air Quality

Earthquake History

186 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.8. Most recent: M4.9 on Aug 6, 2025.

Mar 24, 2001 16 km SSW of Kure, Japan M6.8 35 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 132 km
Jan 21, 2022 27 km SSE of Saiki, Japan M6.3 136 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 44 km
Apr 17, 2024 18 km W of Uwajima, Japan M6.3 78 km
Jun 25, 1997 17 km E of Hagi, Japan M5.9 74 km
Apr 25, 2001 18 km SE of Saiki, Japan M5.7 125 km
May 22, 1998 9 km NE of Bungo-Takada-shi, Japan M5.5 72 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 144 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 141 km
Mar 27, 2006 45 km SSE of Saiki, Japan M5.5 149 km
Jul 12, 2015 12 km SSW of Usuki, Japan M5.5 110 km
Mar 2, 2017 39 km SSE of Saiki, Japan M5.3 146 km
Oct 28, 1991 13 km SSW of Ube, Japan M5.2 90 km
Mar 25, 2001 22 km WNW of H?j?, Japan M5.2 34 km
Jul 17, 2021 29 km NE of Kitsuki, Japan M5.2 49 km
Apr 2, 1997 34 km WSW of ?zu, Japan M5.1 65 km
Apr 26, 2007 15 km ESE of Niihama, Japan M5.1 117 km
Apr 15, 2016 13 km SW of Saiki, Japan M5.1 125 km
Apr 15, 2016 11 km WSW of Beppu, Japan M5.1 108 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

53 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Shanshan (2024).

Year Name Category Closest
2024 Shanshan Category 2 238 km
2022 Nanmadol Category 2 152 km
2020 Haishen Category 2 285 km
2019 Francisco Category 1 188 km
2018 Jebi Category 3 208 km
2018 Trami Category 1 197 km
2018 Cimaron Category 1 224 km
2018 Prapiroon Category 1 277 km
2017 Noru Category 1 169 km
2016 Malakas Category 1 176 km
2015 Goni Category 3 155 km
2015 Nangka Category 1 222 km
2014 Phanfone Category 2 276 km
2014 Halong Category 1 147 km
2012 Jelawat Category 1 293 km
2011 Ma-on Category 1 167 km
2008 Sinlaku Category 1 239 km
2007 Usagi Category 3 84 km
2007 Man-yi Category 1 149 km
2006 Shanshan Category 1 165 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

7 tsunamis recorded within 500 km. Highest wave on record: 10.0 m (33 ft).

Year Location Cause Max Wave Deaths Distance
1026 OFF MASUDA, SHIMANE PREFECTURE Earthquake 10.0 m 1,001 102 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 84 km
1872 SW. HONSHU ISLAND Earthquake 3.0 m 804 108 km
1899 SEIKAIDO Earthquake 138 km
1715 SEIKAIDO Earthquake 84 km
1698 SEIKAIDO-NANKAIDO Earthquake 84 km
1597 BEPPU BAY, JAPAN Eruption + Earthquake 40 90 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Abu (83 km).

Name Type Elevation Last Eruption Distance
Abu Shield(s) 641 m (2,103 ft) -6850 83 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 104 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 129 km
Sanbesan Stratovolcano 1,126 m (3,694 ft) 650 139 km
Asosan Caldera 1,592 m (5,223 ft) 2020 155 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.1 in Coldest
February 41°F (5°C) 3.0 in
March 46°F (8°C) 4.8 in
April 56°F (13°C) 7.1 in
May 63°F (17°C) 7.1 in
June 70°F (21°C) 10.9 in Wettest
July 77°F (25°C) 9.3 in
August 79°F (26°C) 5.8 in Warmest
September 73°F (23°C) 7.8 in
October 63°F (17°C) 4.6 in
November 54°F (12°C) 3.0 in
December 45°F (7°C) 1.9 in Driest

Ōshima has a seasonal temperature swing of 38°F / from 41°F in January to 79°F in August. Total annual precipitation is 67.3 inches, with June being the wettest month (10.9") and December the driest (1.9").

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