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Yamaga, Japan

Full City Profile

4.1 /5.0
A Great
49,082 Population 424/sq mi density
115 ft Elevation 35 meters
58°F Avg Temperature 14°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
Yamaga enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 38°F in January while summers reach 77°F in July. The area gets 197 sunny days per year. Annual precipitation totals 82.2 inches. The area receives 0.0 inches of snow annually.

Temperature

38°F Jan (3°C) 77°F Jul (25°C)
Annual Average57.9°F
7% above US avg
January Average38°F (3°C)
July Average77°F (25°C)
Sunny Days197 days/yr

Geography

Elevation115 ft (35 m)
Area115.7 sq mi (299.7 km²)
Population Density424/sq mi
Coordinates33.0167°N, 130.6891°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 82.2"
116% above US avg
Snowfall 0.0"
Wettest Month (Jul) 15.75"
Driest Month (Dec) 2.28"

Air Quality

Earthquake History

350 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 26 km
Dec 2, 1996 17 km SW of Miyazaki, Japan M6.7 149 km
Oct 19, 1996 5 km SE of Miyazaki, Japan M6.7 146 km
Mar 20, 2005 28 km NNW of Maebaru-ch??, Japan M6.6 102 km
Jan 21, 2022 27 km SSE of Saiki, Japan M6.3 130 km
Mar 13, 2014 32 km SSW of Hikari, Japan M6.3 129 km
Jun 11, 2006 15 km S of Tsukawaki, Japan M6.3 44 km
Apr 14, 2016 2 km SSE of Kumamoto, Japan M6.2 26 km
May 13, 1997 1 km WNW of Satsumasendai, Japan M6.1 138 km
Mar 26, 1997 16 km NE of Satsumasendai, Japan M6.1 124 km
Apr 14, 2016 5 km ENE of Uto, Japan M6.0 36 km
Apr 5, 2009 10 km N of Miyazaki, Japan M5.8 131 km
Oct 19, 1996 19 km ENE of Miyazaki, Japan M5.7 146 km
Apr 15, 2016 6 km S of Kikuchi, Japan M5.7 15 km
Apr 25, 2001 18 km SE of Saiki, Japan M5.7 126 km
Apr 18, 2016 8 km NNE of Aso, Japan M5.5 38 km
Apr 15, 2016 10 km NE of Aso, Japan M5.5 44 km
Apr 2, 1997 19 km W of Satsumasendai, Japan M5.5 144 km
May 22, 1998 9 km NE of Bungo-Takada-shi, Japan M5.5 102 km
Apr 19, 2005 8 km NNW of Maebaru-ch??, Japan M5.5 84 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Shanshan Category 2 68 km
2022 Nanmadol Category 3 34 km
2022 Hinnamnor Category 1 274 km
2020 Haishen Category 2 148 km
2020 Maysak Category 2 257 km
2019 Francisco Category 1 15 km
2018 Jebi Category 3 299 km
2018 Trami Category 1 213 km
2018 Prapiroon Category 1 163 km
2017 Noru Category 1 203 km
2016 Malakas Category 3 175 km
2016 Chaba Category 1 285 km
2016 Namtheun Category 1 258 km
2015 Goni Category 3 36 km
2014 Halong Category 1 230 km
2013 Danas Category 1 217 km
2012 Sanba Category 3 260 km
2012 Damrey Category 1 295 km
2011 Ma-on Category 1 222 km
2007 Usagi Category 3 76 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

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 47 km
1596 BEPPU BAY, KYUSHU Eruption + Earthquake 8.0 m 708 99 km
1769 SW. KYUSHU ISLAND Earthquake 2.5 m 146 km
1939 SEIKAIDO Earthquake 0.8 m 1 146 km
1996 KYUSHU ISLAND Earthquake 0.6 m 146 km
1970 SEIKAIDO Earthquake 0.3 m 131 km
1996 SEA OF JAPAN Earthquake 0.2 m 149 km
1984 KYUSHU, JAPAN Earthquake 0.2 m 137 km
1828 AMAKUSA SEA Earthquake 87 km
1715 SEIKAIDO Earthquake 99 km
1698 SEIKAIDO-NANKAIDO Earthquake 99 km
1619 YATSUSHIRO, JAPAN Earthquake 58 km
1597 BEPPU BAY, JAPAN Eruption + Earthquake 40 91 km
744 SW. KYUSHU ISLAND Earthquake 1,520 71 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

9 volcanoes within 200 km. Closest: Asosan (41 km).

Name Type Elevation Last Eruption Distance
Asosan Caldera 1,592 m (5,223 ft) 2020 41 km
Unzendake Complex 1,483 m (4,865 ft) 1996 46 km
Kujusan Stratovolcano(es) 1,791 m (5,876 ft) 1996 53 km
Yufu-Tsurumi Lava dome(s) 1,584 m (5,197 ft) 867 72 km
Kirishimayama Shield 1,700 m (5,577 ft) 2018 122 km
Yonemaru-Sumiyoshiike Maar(s) 40 m (131 ft) -6200 139 km
Aira Caldera 1,117 m (3,665 ft) 2020 158 km
Fukue Shield(s) 315 m (1,033 ft) -400 177 km
Abu Shield(s) 641 m (2,103 ft) -6850 185 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 38°F (3°C) 2.7 in Coldest
February 40°F (4°C) 3.5 in
March 46°F (8°C) 5.2 in
April 55°F (13°C) 6.7 in
May 63°F (17°C) 7.9 in
June 70°F (21°C) 15.0 in
July 77°F (25°C) 15.8 in Wettest
August 78°F (26°C) 8.4 in Warmest
September 72°F (22°C) 7.7 in
October 62°F (17°C) 4.1 in
November 52°F (11°C) 2.9 in
December 42°F (6°C) 2.3 in Driest

Yamaga has a seasonal temperature swing of 40°F / from 38°F in January to 78°F in August. Total annual precipitation is 82.2 inches, with July being the wettest month (15.8") and December the driest (2.3").

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