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Iizuka, Japan

Full City Profile

4.1 /5.0
A Great
126,364 Population 1,530/sq mi density
69 ft Elevation 21 meters
59°F Avg Temperature 15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$32,000 median income, 2.9% unemployment
A+
Affordability
5.0 / 5.0
$84,000 home value, $420/mo rent
Iizuka enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 40°F in January while summers reach 78°F in July. The area gets 208 sunny days per year. Annual precipitation totals 70.5 inches. The area receives 0.0 inches of snow annually.

Temperature

40°F Jan (4°C) 78°F Jul (26°C)
Annual Average59.0°F
9% above US avg
January Average40°F (4°C)
July Average78°F (26°C)
Sunny Days208 days/yr

Geography

Elevation69 ft (21 m)
Area82.6 sq mi (214.0 km²)
Population Density1,530/sq mi
Coordinates33.6365°N, 130.6868°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 70.5"
86% above US avg
Snowfall 0.0"
Wettest Month (Jul) 12.40"
Driest Month (Dec) 2.28"

Air Quality

Earthquake History

254 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.9 on Aug 6, 2025.

Apr 15, 2016 6 km ESE of Kumamoto, Japan M7.0 94 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 55 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 70 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 106 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 94 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 105 km
Jun 25, 1997 17 km E of Hagi, Japan M5.9 119 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 80 km
May 22, 1998 9 km NE of Bungo-Takada-shi, Japan M5.5 77 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 47 km
Jul 12, 2015 12 km SSW of Usuki, Japan M5.5 120 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 79 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 83 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 100 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 86 km
Apr 19, 2016 6 km NNE of Honmachi, Japan M5.3 120 km
Apr 15, 2016 13 km ESE of Kumamoto, Japan M5.3 98 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 102 km
Apr 15, 2016 5 km ENE of Uto, Japan M5.3 103 km
Oct 28, 1991 13 km SSW of Ube, Japan M5.2 54 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 2 131 km
2022 Nanmadol Category 2 9 km
2022 Hinnamnor Category 1 221 km
2020 Haishen Category 2 155 km
2020 Maysak Category 2 229 km
2019 Francisco Category 1 82 km
2018 Trami Category 1 262 km
2018 Prapiroon Category 1 139 km
2017 Noru Category 1 242 km
2016 Malakas Category 2 226 km
2016 Chaba Category 1 253 km
2015 Goni Category 3 34 km
2014 Halong Category 1 253 km
2013 Danas Category 1 203 km
2012 Sanba Category 3 244 km
2011 Ma-on Category 1 254 km
2007 Usagi Category 3 57 km
2007 Man-yi Category 2 201 km
2006 Shanshan Category 2 48 km
2005 Nabi Category 2 27 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

8 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 15,000 105 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 101 km
1828 AMAKUSA SEA Earthquake 137 km
1715 SEIKAIDO Earthquake 101 km
1698 SEIKAIDO-NANKAIDO Earthquake 101 km
1619 YATSUSHIRO, JAPAN Earthquake 127 km
1597 BEPPU BAY, JAPAN Eruption + Earthquake 40 93 km
744 SW. KYUSHU ISLAND Earthquake 1,520 139 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Yufu-Tsurumi (76 km).

Name Type Elevation Last Eruption Distance
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 76 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 81 km
Asosan Caldera 1,592 m (5,223 ft) 2020 92 km
Unzendake Complex 1,483 m (4,865 ft) 1996 104 km
Abu Shield(s) 641 m (2,103 ft) -6850 128 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 190 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 40°F (4°C) 2.9 in Coldest
February 41°F (5°C) 3.3 in
March 47°F (8°C) 4.5 in
April 56°F (13°C) 5.9 in
May 64°F (18°C) 6.5 in
June 71°F (22°C) 11.9 in
July 78°F (26°C) 12.4 in Wettest
August 80°F (27°C) 6.5 in Warmest
September 73°F (23°C) 7.5 in
October 63°F (17°C) 3.8 in
November 53°F (12°C) 3.0 in
December 44°F (7°C) 2.3 in Driest

Iizuka has a seasonal temperature swing of 40°F / from 40°F in January to 80°F in August. Total annual precipitation is 70.5 inches, with July being the wettest month (12.4") and December the driest (2.3").

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