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Unzen, Japan
Full City Profile
4.1
/5.0
A
Great
41,096
Population
156/sq mi density
1,791 ft
Elevation
546 meters
58°F
Avg Temperature
15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$27,000 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$66,000 home value, $330/mo rent
Unzen enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 77°F in July. The area gets 185 sunny days per year. Annual precipitation totals 91.1 inches. The area receives 0.0 inches of snow annually.
Temperature
39°F Jan (4°C)
77°F Jul (25°C)
| Annual Average | 58.1°F |
| 8% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 185 days/yr |
Geography
| Elevation | 1,791 ft (546 m) |
| Area | 264.0 sq mi (683.8 km²) |
| Population Density | 156/sq mi |
| Coordinates | 32.7711°N, 130.2484°W |
| Timezone | Asia/Tokyo |
Precipitation & Snow
Air Quality
Tsunami History
14 tsunamis recorded within 500 km. Highest wave on record: 55.0 m (180 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1792 | SHIMABARA BAY, KYUSHU ISLAND | Landslide | 55.0 m | 15,000 | 5 km |
| 1596 | BEPPU BAY, KYUSHU | Eruption + Earthquake | 8.0 m | 708 | 148 km |
| 1780 | SW. KYUSHU ISLAND | Astronomical | 6.0 m | — | 137 km |
| 1914 | SEIKAIDO | Eruption | 3.0 m | 63 | 138 km |
| 1996 | SEA OF JAPAN | Earthquake | 0.2 m | — | 148 km |
| 1828 | AMAKUSA SEA | Earthquake | — | — | 38 km |
| 1781 | SW. KYUSHU ISLAND | Astronomical | — | 38 | 138 km |
| 1780 | SW. KYUSHU ISLAND | Astronomical | — | — | 137 km |
| 1715 | SEIKAIDO | Earthquake | — | — | 148 km |
| 1698 | SEIKAIDO-NANKAIDO | Earthquake | — | — | 148 km |
| 1619 | YATSUSHIRO, JAPAN | Earthquake | — | — | 45 km |
| 1597 | BEPPU BAY, JAPAN | Eruption + Earthquake | — | 40 | 139 km |
| 766 | N. KAGOSHIMA BAY | Astronomical | — | — | 137 km |
| 744 | SW. KYUSHU ISLAND | Earthquake | — | 1,520 | 48 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
9 volcanoes within 200 km. Closest: Unzendake (5 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Unzendake | Complex | 1,483 m (4,865 ft) | 1996 | 5 km |
| Asosan | Caldera | 1,592 m (5,223 ft) | 2020 | 81 km |
| Kujusan | Stratovolcano(es) | 1,791 m (5,876 ft) | 1996 | 100 km |
| Kirishimayama | Shield | 1,700 m (5,577 ft) | 2018 | 110 km |
| Yonemaru-Sumiyoshiike | Maar(s) | 40 m (131 ft) | -6200 | 116 km |
| Yufu-Tsurumi | Lava dome(s) | 1,584 m (5,197 ft) | 867 | 121 km |
| Fukue | Shield(s) | 315 m (1,033 ft) | -400 | 132 km |
| Aira | Caldera | 1,117 m (3,665 ft) | 2020 | 137 km |
| Ata | Caldera(s) | 924 m (3,031 ft) | 885 | 175 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 3.0 in | Coldest |
| February | 40°F (5°C) | 3.9 in | |
| March | 46°F (8°C) | 6.3 in | |
| April | 56°F (13°C) | 7.6 in | |
| May | 63°F (17°C) | 9.0 in | |
| June | 69°F (21°C) | 16.1 in | |
| July | 77°F (25°C) | 17.2 in | Wettest |
| August | 78°F (26°C) | 8.9 in | Warmest |
| September | 72°F (22°C) | 8.9 in | |
| October | 62°F (17°C) | 4.4 in | |
| November | 53°F (11°C) | 3.2 in | |
| December | 43°F (6°C) | 2.5 in | Driest |
Unzen has a seasonal temperature swing of 39°F / from 39°F in January to 78°F in August. Total annual precipitation is 91.2 inches, with July being the wettest month (17.2") and December the driest (2.5").