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Ajigasawa, Japan

Full City Profile

4.0 /5.0
A Great
9,613 Population 32/sq mi density
121 ft Elevation 37 meters
49°F Avg Temperature 10°C
A
Overall
4.0 / 5.0
Strong
B
Economy
3.0 / 5.0
$25,400 median income, 3.1% unemployment
A+
Affordability
5.0 / 5.0
$62,000 home value, $310/mo rent
Ajigasawa experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 27°F in January while summers reach 70°F in July. The area gets 237 sunny days per year. Annual precipitation totals 54.7 inches. The area receives 16.1 inches of snow annually.

Temperature

27°F Jan (-3°C) 70°F Jul (21°C)
Annual Average49.3°F
9% below US avg
January Average27°F (-3°C)
July Average70°F (21°C)
Sunny Days237 days/yr

Geography

Elevation121 ft (37 m)
Area302.2 sq mi (782.8 km²)
Population Density32/sq mi
Coordinates40.7744°N, 140.2031°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 54.7"
44% above US avg
Snowfall 16.1"
Wettest Month (Sep) 6.46"
Driest Month (Mar) 3.31"

Air Quality

Earthquake History

397 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.5. Most recent: M5.1 on Aug 18, 2025.

Aug 7, 1993 69 km WNW of Kamiiso, Japan M6.5 138 km
Mar 11, 2011 88 km WNW of Noshiro, Japan M6.2 102 km
Aug 24, 1992 9 km NNW of Honch?, Japan M6.2 139 km
Sep 3, 1998 19 km W of Shizukuishi, Japan M5.9 127 km
Apr 1, 2024 7 km SW of Kuji, Japan M5.9 145 km
Mar 11, 2011 18 km E of Misawa, Japan M5.8 119 km
Jun 4, 2008 135 km WSW of Kamiiso, Japan M5.7 128 km
Jul 26, 1999 26 km ENE of Misawa, Japan M5.7 124 km
Nov 23, 1997 97 km W of Tenn?, Japan M5.6 148 km
Apr 2, 2001 25 km ENE of Hachinohe, Japan M5.5 134 km
Jul 9, 2015 15 km S of Hachinohe, Japan M5.5 116 km
Aug 15, 2019 19 km NW of Misawa, Japan M5.4 88 km
Aug 24, 2009 34 km NW of Shimokizukuri, Japan M5.3 29 km
Aug 8, 2024 51 km W of Otobe, Japan M5.2 149 km
Jul 22, 2022 10 km SSW of Misawa, Japan M5.2 96 km
Feb 4, 2004 34 km ESE of Ichinohe, Japan M5.2 143 km
Jul 12, 1993 109 km W of Kamiiso, Japan M5.2 143 km
Jun 16, 2016 22 km ENE of Honch?, Japan M5.2 148 km
Feb 28, 2010 5 km NW of ?magari, Japan M5.1 145 km
May 6, 2018 6 km WSW of Morioka, Japan M5.1 143 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

4 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Higos (2002).

Year Name Category Closest
2002 Higos Category 1 106 km
2000 Kirogi Category 1 289 km
1998 Vicki Category 1 133 km
1995 Ryan Category 1 209 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

14 tsunamis recorded within 500 km. Highest wave on record: 90.0 m (295 ft).

Year Location Cause Max Wave Deaths Distance
1741 W. HOKKAIDO ISLAND Explosion 90.0 m 2,000 107 km
1983 NOSHIRO, JAPAN Earthquake 14.9 m 104 99 km
1640 SE. HOKKAIDO ISLAND Explosion 8.0 m 700 149 km
1793 W. OFF AOMORI Earthquake 1.8 m 12 23 km
1939 NW. HONSHU ISLAND Earthquake 1.2 m 27 96 km
1983 N. HONSHU ISLAND Earthquake 1.0 m 112 km
1810 NW. HONSHU ISLAND Earthquake 1.0 m 57 101 km
1983 NOSHIRO, JAPAN Earthquake 0.6 m 121 km
1964 NW. HONSHU ISLAND Earthquake 0.6 m 115 km
1993 JAPAN Earthquake 0.2 m 138 km
1964 NW. HONSHU ISLAND Earthquake 0.1 m 118 km
1964 NW. HONSHU ISLAND Earthquake 110 km
1766 SANRIKU Earthquake 1,700 44 km
1341 JUSANKO, TSUGARU AOMORI PREFECTURE Earthquake 2,600 64 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

13 volcanoes within 200 km. Closest: Iwakisan (16 km).

Name Type Elevation Last Eruption Distance
Iwakisan Stratovolcano 1,625 m (5,331 ft) 1863 16 km
Hakkodasan Stratovolcano(es) 1,585 m (5,200 ft) 1550 58 km
Towada Caldera 1,011 m (3,317 ft) 915 64 km
Osorezan Stratovolcano 878 m (2,881 ft) 1787 95 km
Megata Maar(s) 291 m (955 ft) -2050 100 km
Akita-Yakeyama Stratovolcano 1,366 m (4,482 ft) 1997 102 km
Hachimantai Stratovolcano 1,613 m (5,292 ft) -5350 106 km
Oshima-Oshima Stratovolcano 732 m (2,402 ft) 1790 108 km
Iwatesan Complex 2,038 m (6,686 ft) 1919 123 km
Akita-Komagatake Stratovolcano(es) 1,637 m (5,371 ft) 1971 124 km
Esan Lava dome(s) 618 m (2,028 ft) 1874 140 km
Hokkaido-Komagatake Stratovolcano 1,131 m (3,711 ft) 2000 149 km
Chokaisan Stratovolcano(es) 2,236 m (7,336 ft) 1974 187 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 4.4 in Coldest
February 29°F (-2°C) 3.5 in
March 35°F (1°C) 3.3 in Driest
April 46°F (8°C) 3.4 in
May 55°F (13°C) 3.5 in
June 62°F (17°C) 3.8 in
July 70°F (21°C) 5.5 in
August 73°F (23°C) 6.0 in Warmest
September 66°F (19°C) 6.5 in Wettest
October 54°F (12°C) 4.9 in
November 43°F (6°C) 5.0 in
December 33°F (0°C) 5.0 in

Ajigasawa has a seasonal temperature swing of 46°F / from 27°F in January to 73°F in August. Total annual precipitation is 54.7 inches, with September being the wettest month (6.5") and March the driest (3.3").

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