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Imarichō-kō, Japan

Full City Profile

4.1 /5.0
A Great
57,940 Population 588/sq mi density
16 ft Elevation 5 meters
60°F Avg Temperature 16°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$27,400 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Imarichō-kō enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 41°F in January while summers reach 79°F in July. The area gets 198 sunny days per year. Annual precipitation totals 75.9 inches. The area receives 0.0 inches of snow annually.

Temperature

41°F Jan (5°C) 79°F Jul (26°C)
Annual Average60.2°F
11% above US avg
January Average41°F (5°C)
July Average79°F (26°C)
Sunny Days198 days/yr

Geography

Elevation16 ft (5 m)
Area98.6 sq mi (255.2 km²)
Population Density588/sq mi
Coordinates33.2736°N, 129.8788°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 75.9"
100% above US avg
Snowfall 0.0"
Wettest Month (Jul) 12.72"
Driest Month (Dec) 2.56"

Air Quality

Earthquake History

198 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 98 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 64 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 119 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 94 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 101 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 95 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 123 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 49 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 117 km
Apr 14, 2016 14 km ESE of Kumamoto, Japan M5.4 106 km
Apr 15, 2016 5 km WSW of Aso, Japan M5.4 114 km
Apr 15, 2016 13 km ESE of Kumamoto, Japan M5.3 105 km
Apr 19, 2016 6 km NNE of Honmachi, Japan M5.3 105 km
Apr 15, 2016 5 km ENE of Uto, Japan M5.3 100 km
Apr 14, 2016 4 km NNE of Uto, Japan M5.3 98 km
Oct 28, 1991 13 km SSW of Ube, Japan M5.2 139 km
Apr 16, 2016 8 km ENE of Kumamoto, Japan M5.2 97 km
Apr 15, 2016 13 km E of Uto, Japan M5.2 108 km
Apr 15, 2016 11 km WSW of Beppu, Japan M5.1 139 km
Apr 16, 2016 4 km N of Uto, Japan M5.1 95 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 2 95 km
2022 Nanmadol Category 2 49 km
2022 Hinnamnor Category 2 194 km
2020 Haishen Category 2 79 km
2020 Maysak Category 2 179 km
2019 Francisco Category 1 79 km
2018 Trami Category 1 282 km
2018 Prapiroon Category 1 86 km
2017 Noru Category 1 280 km
2016 Malakas Category 3 238 km
2016 Chaba Category 1 207 km
2016 Namtheun Category 1 275 km
2015 Goni Category 3 72 km
2013 Danas Category 2 136 km
2012 Sanba Category 3 185 km
2012 Damrey Category 1 283 km
2007 Usagi Category 3 134 km
2007 Nari Category 2 264 km
2007 Man-yi Category 2 214 km
2006 Shanshan Category 2 35 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

4 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 70 km
1828 AMAKUSA SEA Earthquake 75 km
1619 YATSUSHIRO, JAPAN Earthquake 109 km
744 SW. KYUSHU ISLAND Earthquake 1,520 113 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

7 volcanoes within 200 km. Closest: Unzendake (69 km).

Name Type Elevation Last Eruption Distance
Unzendake Complex 1,483 m (4,865 ft) 1996 69 km
Fukue Shield(s) 315 m (1,033 ft) -400 118 km
Asosan Caldera 1,592 m (5,223 ft) 2020 122 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 129 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 141 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 175 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 180 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.8 in Coldest
February 43°F (6°C) 3.3 in
March 48°F (9°C) 4.7 in
April 57°F (14°C) 6.6 in
May 65°F (18°C) 6.9 in
June 71°F (22°C) 12.7 in
July 79°F (26°C) 12.7 in Wettest
August 80°F (27°C) 7.6 in Warmest
September 74°F (23°C) 8.7 in
October 65°F (18°C) 4.0 in
November 55°F (13°C) 3.4 in
December 46°F (8°C) 2.6 in Driest

Imarichō-kō has a seasonal temperature swing of 39°F / from 41°F in January to 80°F in August. Total annual precipitation is 75.9 inches, with July being the wettest month (12.7") and December the driest (2.6").

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