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Tomioka, Japan

Full City Profile

4.1 /5.0
A Great
7,114 Population 56/sq mi density
3 ft Elevation 1 meters
61°F Avg Temperature 16°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$28,200 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$70,000 home value, $350/mo rent
Tomioka enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 79°F in July. The area gets 196 sunny days per year. Annual precipitation totals 79.1 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (6°C) 79°F Jul (26°C)
Annual Average61.0°F
13% above US avg
January Average42°F (6°C)
July Average79°F (26°C)
Sunny Days196 days/yr

Geography

Elevation3 ft (1 m)
Area127.9 sq mi (331.1 km²)
Population Density56/sq mi
Coordinates32.5186°N, 130.0359°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 79.1"
108% above US avg
Snowfall 0.0"
Wettest Month (Jun) 14.29"
Driest Month (Dec) 2.68"

Air Quality

Earthquake History

306 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.5 on Aug 12, 2025.

Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 74 km
Dec 2, 1996 17 km SW of Miyazaki, Japan M6.7 145 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 144 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 124 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 69 km
May 13, 1997 1 km WNW of Satsumasendai, Japan M6.1 81 km
Mar 26, 1997 16 km NE of Satsumasendai, Japan M6.1 76 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 67 km
Apr 5, 2009 10 km N of Miyazaki, Japan M5.8 142 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 85 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 114 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 118 km
Apr 2, 1997 19 km W of Satsumasendai, Japan M5.5 77 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 125 km
Feb 12, 1994 4 km WSW of ?kuchi-shinohara, Japan M5.4 72 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 78 km
Nov 4, 2002 Kyushu, Japan M5.4 143 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 102 km
Apr 15, 2016 13 km ESE of Kumamoto, Japan M5.3 79 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 65 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 3 25 km
2022 Nanmadol Category 3 35 km
2022 Hinnamnor Category 2 259 km
2020 Haishen Category 3 103 km
2020 Maysak Category 2 213 km
2019 Francisco Category 1 68 km
2018 Prapiroon Category 1 138 km
2018 Trami Category 1 215 km
2017 Noru Category 1 210 km
2016 Malakas Category 3 153 km
2016 Chaba Category 1 276 km
2016 Namtheun Category 1 192 km
2015 Goni Category 3 28 km
2014 Halong Category 1 269 km
2014 Neoguri Category 1 291 km
2013 Danas Category 3 194 km
2012 Sanba Category 3 202 km
2012 Damrey Category 1 215 km
2011 Ma-on Category 1 270 km
2007 Usagi Category 3 147 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

10 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 36 km
1780 SW. KYUSHU ISLAND Astronomical 6.0 m 120 km
1914 SEIKAIDO Eruption 3.0 m 63 120 km
1996 SEA OF JAPAN Earthquake 0.2 m 145 km
1828 AMAKUSA SEA Earthquake 16 km
1781 SW. KYUSHU ISLAND Astronomical 38 120 km
1780 SW. KYUSHU ISLAND Astronomical 120 km
1619 YATSUSHIRO, JAPAN Earthquake 53 km
766 N. KAGOSHIMA BAY Astronomical 120 km
744 SW. KYUSHU ISLAND Earthquake 1,520 46 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

10 volcanoes within 200 km. Closest: Unzendake (37 km).

Name Type Elevation Last Eruption Distance
Unzendake Complex 1,483 m (4,865 ft) 1996 37 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 98 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 101 km
Asosan Caldera 1,592 m (5,223 ft) 2020 108 km
Fukue Shield(s) 315 m (1,033 ft) -400 112 km
Aira Caldera 1,117 m (3,665 ft) 2020 118 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 130 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 152 km
Ata Caldera(s) 924 m (3,031 ft) 885 153 km
Kikai Caldera 704 m (2,310 ft) 2020 194 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 3.0 in Coldest
February 44°F (7°C) 3.5 in
March 50°F (10°C) 5.3 in
April 58°F (15°C) 6.9 in
May 65°F (19°C) 7.8 in
June 72°F (22°C) 14.3 in Wettest
July 79°F (26°C) 13.1 in
August 81°F (27°C) 7.8 in Warmest
September 75°F (24°C) 7.8 in
October 65°F (19°C) 3.8 in
November 56°F (13°C) 3.2 in
December 46°F (8°C) 2.7 in Driest

Tomioka has a seasonal temperature swing of 38°F / from 42°F in January to 81°F in August. Total annual precipitation is 79.1 inches, with June being the wettest month (14.3") and December the driest (2.7").

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