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Akaiwa, Japan

Full City Profile

4.1 /5.0
A Great
43,742 Population 378/sq mi density
154 ft Elevation 47 meters
58°F Avg Temperature 15°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.2 / 5.0
$30,800 median income, 2.3% unemployment
A+
Affordability
5.0 / 5.0
$76,000 home value, $380/mo rent
Akaiwa enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 39°F in January while summers reach 79°F in July. The area gets 233 sunny days per year. Annual precipitation totals 56.8 inches. The area receives 0.0 inches of snow annually.

Temperature

39°F Jan (4°C) 79°F Jul (26°C)
Annual Average58.4°F
8% above US avg
January Average39°F (4°C)
July Average79°F (26°C)
Sunny Days233 days/yr

Geography

Elevation154 ft (47 m)
Area115.7 sq mi (299.5 km²)
Population Density378/sq mi
Coordinates34.8099°N, 134.0215°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 56.8"
50% above US avg
Snowfall 0.0"
Wettest Month (Jun) 8.70"
Driest Month (Dec) 1.30"

Air Quality

Earthquake History

172 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M4.4 on Jun 29, 2025.

Jan 16, 1995 8 km S of Akashi, Japan M6.9 95 km
Oct 6, 2000 8 km ESE of Matsue, Japan M6.7 108 km
Apr 11, 1990 11 km ENE of Maizuru, Japan M6.1 150 km
Apr 12, 2013 6 km WNW of Sumoto, Japan M5.8 89 km
Aug 7, 1992 21 km N of Miyazu, Japan M5.8 145 km
Apr 8, 2018 8 km NNE of ?dach?-?da, Japan M5.7 143 km
Aug 28, 1991 9 km SSW of Yasugich?, Japan M5.5 95 km
Jun 17, 2018 near the south coast of western Honshu, Japan M5.5 148 km
Oct 8, 2000 32 km N of Sh?bara, Japan M5.4 97 km
Sep 24, 2003 5 km WNW of Ayabe, Japan M5.4 121 km
Jan 11, 2001 15 km E of Tottori, Japan M5.3 82 km
Sep 16, 2002 24 km SW of Kurayoshi, Japan M5.3 60 km
Sep 3, 1997 21 km S of Yasugich?, Japan M5.3 87 km
Oct 8, 2000 8 km SSW of Yonago, Japan M5.2 89 km
Mar 13, 2019 22 km ESE of Anan, Japan M5.2 135 km
Apr 26, 2007 15 km ESE of Niihama, Japan M5.1 114 km
Jan 16, 1995 20 km SW of Akashi, Japan M5.0 79 km
Jul 5, 2011 12 km NNW of Gob?, Japan M5.0 137 km
Oct 13, 1995 10 km ESE of Akashi, Japan M4.9 102 km
Aug 22, 1994 39 km S of Anan, Japan M4.9 149 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

43 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Lan (2023).

Year Name Category Closest
2023 Lan Category 2 198 km
2018 Jebi Category 3 98 km
2018 Trami Category 1 176 km
2018 Cimaron Category 1 66 km
2018 Jongdari Category 1 284 km
2017 Noru Category 1 134 km
2016 Malakas Category 1 229 km
2015 Goni Category 1 279 km
2015 Nangka Category 1 203 km
2014 Phanfone Category 2 238 km
2014 Halong Category 1 212 km
2012 Jelawat Category 1 259 km
2011 Roke Category 3 272 km
2011 Ma-on Category 1 145 km
2009 Melor Category 1 253 km
2008 Sinlaku Category 1 238 km
2007 Usagi Category 2 212 km
2007 Man-yi Category 1 260 km
2005 Nabi Category 1 250 km
2004 Songda Category 2 175 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

7 tsunamis recorded within 500 km. Highest wave on record: 11.3 m (37 ft).

Year Location Cause Max Wave Deaths Distance
1927 SW. HONSHU ISLAND Eruption + Earthquake 11.3 m 3,022 132 km
1711 SEIONAIKAI, JAPAN Earthquake 2.0 m 1,000 57 km
1510 OSAKA BAY Earthquake 2.0 m 128 km
1808 E. AWA, TOKUSHIMA PREFECTURE Earthquake 1.5 m 124 km
1995 KOBE, JAPAN Earthquake 0.3 m 6,434 99 km
1791 OASAKA BAY Earthquake 131 km
745 OSAKA BAY, JAPAN Earthquake 119 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Sanbesan (133 km).

Name Type Elevation Last Eruption Distance
Sanbesan Stratovolcano 1,126 m (3,694 ft) 650 133 km
Oki-Dogo Shield 151 m (495 ft) Unknown 164 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.7 in Coldest
February 39°F (4°C) 2.2 in
March 45°F (7°C) 3.5 in
April 55°F (13°C) 5.4 in
May 64°F (18°C) 5.7 in
June 71°F (22°C) 8.7 in Wettest
July 79°F (26°C) 8.2 in
August 80°F (27°C) 4.6 in Warmest
September 73°F (23°C) 8.6 in
October 62°F (17°C) 4.2 in
November 52°F (11°C) 2.7 in
December 43°F (6°C) 1.3 in Driest

Akaiwa has a seasonal temperature swing of 42°F / from 39°F in January to 80°F in August. Total annual precipitation is 56.8 inches, with June being the wettest month (8.7") and December the driest (1.3").

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