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Inawashiro, Japan

Full City Profile

4.1 /5.0
A Great
13,810 Population 91/sq mi density
1,745 ft Elevation 532 meters
48°F Avg Temperature 9°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$28,300 median income, 2.7% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Inawashiro experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 27°F in January while summers reach 69°F in July. The area gets 235 sunny days per year. Annual precipitation totals 55.8 inches. The area receives 11.7 inches of snow annually.

Temperature

27°F Jan (-3°C) 69°F Jul (20°C)
Annual Average47.9°F
11% below US avg
January Average27°F (-3°C)
July Average69°F (20°C)
Sunny Days235 days/yr

Geography

Elevation1,745 ft (532 m)
Area152.5 sq mi (394.8 km²)
Population Density91/sq mi
Coordinates37.5667°N, 140.1167°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 55.8"
47% above US avg
Snowfall 11.7"
Wettest Month (Aug) 7.64"
Driest Month (Feb) 2.72"

Air Quality

Earthquake History

1,887 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.3. Most recent: M4.9 on Aug 29, 2025.

Mar 16, 2022 57 km ENE of Namie, Japan M7.3 130 km
Feb 13, 2021 73 km ENE of Namie, Japan M7.1 147 km
May 1, 2021 30 km SSE of Onagawa Ch?, Japan M6.9 148 km
Jul 16, 2007 20 km NNW of Kashiwazaki, Japan M6.6 147 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 68 km
Mar 14, 2010 59 km ENE of Namie, Japan M6.5 131 km
Jun 18, 2019 31 km WSW of Tsuruoka, Japan M6.4 132 km
Aug 4, 2019 61 km ENE of Namie, Japan M6.3 133 km
Mar 11, 2011 30 km NNE of Namie, Japan M6.3 95 km
Jul 30, 2011 13 km SSE of Iwaki, Japan M6.3 102 km
Jul 24, 2011 43 km NE of Namie, Japan M6.3 114 km
Mar 11, 2011 61 km ESE of Namie, Japan M6.2 137 km
Aug 19, 2011 61 km ENE of Namie, Japan M6.2 136 km
Mar 12, 2011 29 km SSE of Namie, Japan M6.1 99 km
May 13, 2011 31 km ESE of Namie, Japan M6.1 110 km
Jul 25, 2003 7 km NW of Matsushima, Japan M6.1 122 km
May 18, 2013 50 km NE of Namie, Japan M6.0 121 km
Apr 3, 2004 37 km ESE of Hitachi, Japan M6.0 149 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 140 km
Mar 11, 2011 17 km ESE of Namie, Japan M6.0 96 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2024 Jebi Category 1 289 km
2019 Faxai Category 2 161 km
2019 Hagibis Category 1 82 km
2016 Lionrock Category 1 289 km
2011 Roke Category 1 203 km
2007 Fitow Category 1 234 km
2005 Mawar Category 2 191 km
2004 Ma-on Category 3 149 km
2002 Higos Category 1 93 km
2001 Danas Category 1 132 km
2000 Kirogi Category 1 158 km
1998 Vicki Category 2 121 km
1998 Stella Category 1 156 km
1996 Violet Category 1 219 km
1995 Oscar Category 3 269 km
1993 Vernon Category 1 129 km
1990 Flo Category 1 291 km
1981 Thad Category 1 174 km
1981 Gay Category 1 240 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

13 tsunamis recorded within 500 km. Highest wave on record: 5.8 m (19 ft).

Year Location Cause Max Wave Deaths Distance
1964 NW. HONSHU ISLAND Earthquake 5.8 m 36 120 km
2016 E. COAST HONSHU ISLAND Earthquake 1.4 m 114 km
1938 OFF FUKUSHIMA PREFECTURE Earthquake 1.3 m 149 km
1938 JAPAN TRENCH Earthquake 0.8 m 149 km
1938 SANRIKU Earthquake 0.8 m 138 km
1938 SANRIKU Earthquake 0.6 m 1 149 km
1938 SANRIKU Earthquake 0.6 m 146 km
2022 OFF FUKUSHIMA PREFECTURE Earthquake 0.3 m 4 130 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 142 km
2019 NIIGATA Earthquake 0.1 m 133 km
2021 OFF FUKUSHIMA PREFECTURE Earthquake 0.1 m 1 145 km
2007 HONSHU: W COAST Earthquake 15 144 km
1762 NW. HONSHU ISLAND Earthquake 138 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Bandaisan (6 km).

Name Type Elevation Last Eruption Distance
Bandaisan Stratovolcano 1,816 m (5,958 ft) 1888 6 km
Adatarayama Stratovolcano(es) 1,728 m (5,669 ft) 1996 17 km
Azumayama Stratovolcano(es) 1,949 m (6,394 ft) 1977 22 km
Numazawa Shield 835 m (2,740 ft) -3400 51 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 51 km
Zaozan [Zaosan] Complex 1,841 m (6,040 ft) 1940 70 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 80 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 100 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 101 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 105 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 108 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 139 km
Naruko Caldera 470 m (1,542 ft) 837 140 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 165 km
Kurikomayama Stratovolcano 1,627 m (5,338 ft) 1950 166 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 2.9 in
February 27°F (-3°C) 2.7 in Coldest, Driest
March 32°F (-0°C) 3.2 in
April 44°F (7°C) 3.9 in
May 54°F (12°C) 4.1 in
June 61°F (16°C) 5.9 in
July 69°F (20°C) 7.0 in
August 71°F (22°C) 7.6 in Warmest, Wettest
September 63°F (17°C) 7.4 in
October 52°F (11°C) 4.8 in
November 42°F (5°C) 3.5 in
December 33°F (0°C) 2.9 in

Inawashiro has a seasonal temperature swing of 44°F / from 27°F in February to 71°F in August. Total annual precipitation is 55.8 inches, with August being the wettest month (7.6") and February the driest (2.7").

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