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Karumai, Japan

Full City Profile

4.1 /5.0
A Great
8,421 Population 89/sq mi density
646 ft Elevation 197 meters
47°F Avg Temperature 8°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$26,100 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$64,000 home value, $320/mo rent
Karumai experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 25°F in January while summers reach 67°F in July. The area gets 247 sunny days per year. Annual precipitation totals 48.8 inches. The area receives 10.9 inches of snow annually.

Temperature

25°F Jan (-4°C) 67°F Jul (19°C)
Annual Average46.8°F
13% below US avg
January Average25°F (-4°C)
July Average67°F (19°C)
Sunny Days247 days/yr

Geography

Elevation646 ft (197 m)
Area94.9 sq mi (245.8 km²)
Population Density89/sq mi
Coordinates40.3214°N, 141.4583°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 48.8"
28% above US avg
Snowfall 10.9"
Wettest Month (Sep) 6.69"
Driest Month (Feb) 2.52"

Air Quality

Earthquake History

1,436 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.7 on Aug 30, 2025.

Jan 6, 1995 63 km ESE of Hachinohe, Japan M7.0 61 km
Jul 23, 2008 29 km ENE of Morioka, Japan M6.8 58 km
Sep 16, 2011 99 km NE of Miyako, Japan M6.7 112 km
Feb 16, 2015 83 km ENE of Miyako, Japan M6.7 132 km
Jun 22, 2011 41 km NNE of Miyako, Japan M6.7 75 km
Mar 11, 2011 50 km ESE of ?tsuchi, Japan M6.6 148 km
Dec 2, 2001 3 km NW of Hanamaki, Japan M6.5 107 km
Aug 13, 2001 87 km ENE of Misawa, Japan M6.4 108 km
Oct 3, 2000 123 km NE of Miyako, Japan M6.3 141 km
Jan 24, 2018 99 km ENE of Misawa, Japan M6.3 120 km
Jul 4, 2010 37 km E of Miyako, Japan M6.3 104 km
Mar 17, 2011 57 km NNE of Miyako, Japan M6.2 64 km
Dec 28, 1994 80 km NE of Miyako, Japan M6.2 107 km
Jul 12, 1992 70 km ENE of Mutsu, Japan M6.2 135 km
Jun 8, 2015 74 km ENE of Mutsu, Japan M6.1 146 km
Oct 14, 2002 87 km E of Mutsu, Japan M6.1 116 km
Mar 27, 2012 24 km NNE of Miyako, Japan M6.1 70 km
Aug 10, 2014 78 km E of Mutsu, Japan M6.1 109 km
Dec 31, 1994 81 km NE of Miyako, Japan M6.0 93 km
Jan 7, 1995 76 km NNE of Miyako, Japan M6.0 77 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

5 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Hagibis (2019).

Year Name Category Closest
2019 Hagibis Category 1 238 km
2002 Higos Category 1 21 km
2000 Kirogi Category 1 178 km
1998 Vicki Category 1 25 km
1995 Ryan Category 1 292 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 5.0 m (16 ft).

Year Location Cause Max Wave Deaths Distance
1763 SANRIKU Earthquake 5.0 m 70 km
1846 SANRIKU Earthquake 2.0 m 127 km
1793 W. OFF AOMORI Earthquake 1.8 m 12 140 km
1810 NW. HONSHU ISLAND Earthquake 1.0 m 57 141 km
1989 JAPAN Earthquake 0.9 m 123 km
2025 OFF NORTHEAST COAST HONSHU Earthquake 0.7 m 97 km
1901 OFF NORTHEAST COAST HONSHU Earthquake 0.6 m 90 km
1912 SANRIKU Earthquake 0.5 m 50 km
1945 SANRIKU Earthquake 0.4 m 2 84 km
1931 SANRIKU Earthquake 0.4 m 131 km
1960 SANRIKU Earthquake 0.3 m 88 km
2015 HONSHU Earthquake 0.3 m 132 km
1901 OFF NORTHEAST COAST HONSHU Earthquake 0.3 m 18 78 km
2025 OFF NORTHEAST COAST HONSHU Earthquake 0.2 m 127 km
1901 OFF NORTHEAST COAST HONSHU Earthquake 0.0 m 90 km
1766 SANRIKU Earthquake 1,700 91 km
1763 SANRIKU, HACHIONHE Earthquake 62 km
1763 N. SANRIKU Earthquake 116 km
1088 MIYAKO, IWATE PREFECTURE Earthquake 132 km
1088 MIYAKO, IWATE PREFECTURE Earthquake 87 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

13 volcanoes within 200 km. Closest: Towada (53 km).

Name Type Elevation Last Eruption Distance
Towada Caldera 1,011 m (3,317 ft) 915 53 km
Hakkodasan Stratovolcano(es) 1,585 m (5,200 ft) 1550 62 km
Iwatesan Complex 2,038 m (6,686 ft) 1919 65 km
Hachimantai Stratovolcano 1,613 m (5,292 ft) -5350 65 km
Akita-Yakeyama Stratovolcano 1,366 m (4,482 ft) 1997 72 km
Akita-Komagatake Stratovolcano(es) 1,637 m (5,371 ft) 1971 84 km
Iwakisan Stratovolcano 1,625 m (5,331 ft) 1863 105 km
Osorezan Stratovolcano 878 m (2,881 ft) 1787 110 km
Megata Maar(s) 291 m (955 ft) -2050 153 km
Kurikomayama Stratovolcano 1,627 m (5,338 ft) 1950 162 km
Esan Lava dome(s) 618 m (2,028 ft) 1874 167 km
Chokaisan Stratovolcano(es) 2,236 m (7,336 ft) 1974 182 km
Naruko Caldera 470 m (1,542 ft) 837 188 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 25°F (-4°C) 2.6 in Coldest
February 26°F (-3°C) 2.5 in Driest
March 32°F (0°C) 3.0 in
April 44°F (7°C) 3.3 in
May 53°F (12°C) 3.5 in
June 60°F (15°C) 4.5 in
July 67°F (19°C) 5.9 in
August 70°F (21°C) 6.4 in Warmest
September 62°F (17°C) 6.7 in Wettest
October 51°F (11°C) 4.3 in
November 41°F (5°C) 3.3 in
December 31°F (-1°C) 2.8 in

Karumai has a seasonal temperature swing of 45°F / from 25°F in January to 70°F in August. Total annual precipitation is 48.8 inches, with September being the wettest month (6.7") and February the driest (2.5").

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