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Ōwani, Japan

Full City Profile

4.0 /5.0
A Great
9,322 Population 105/sq mi density
249 ft Elevation 76 meters
50°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
Ōwani experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 71°F in July. The area gets 239 sunny days per year. Annual precipitation totals 53.3 inches. The area receives 16.7 inches of snow annually.

Temperature

27°F Jan (-3°C) 71°F Jul (22°C)
Annual Average49.7°F
8% below US avg
January Average27°F (-3°C)
July Average71°F (22°C)
Sunny Days239 days/yr

Geography

Elevation249 ft (76 m)
Area89.0 sq mi (230.5 km²)
Population Density105/sq mi
Coordinates40.5197°N, 140.5687°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 53.3"
40% above US avg
Snowfall 16.7"
Wettest Month (Sep) 6.02"
Driest Month (May) 3.19"

Air Quality

Earthquake History

568 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.0. Most recent: M4.3 on Aug 14, 2025.

Jan 6, 1995 63 km ESE of Hachinohe, Japan M7.0 139 km
Jul 23, 2008 29 km ENE of Morioka, Japan M6.8 110 km
Dec 2, 2001 3 km NW of Hanamaki, Japan M6.5 132 km
Mar 17, 2011 57 km NNE of Miyako, Japan M6.2 142 km
Mar 11, 2011 88 km WNW of Noshiro, Japan M6.2 128 km
Mar 27, 2012 24 km NNE of Miyako, Japan M6.1 143 km
Aug 10, 2014 78 km E of Mutsu, Japan M6.1 149 km
Sep 3, 1998 19 km W of Shizukuishi, Japan M5.9 91 km
Apr 1, 2024 7 km SW of Kuji, Japan M5.9 105 km
Mar 11, 2011 31 km N of T?no, Japan M5.8 134 km
Mar 11, 2011 18 km E of Misawa, Japan M5.8 89 km
Feb 15, 2009 68 km ESE of Hachinohe, Japan M5.7 145 km
Aug 1, 2011 24 km NNE of Miyako, Japan M5.7 149 km
Mar 16, 2011 27 km NNE of Miyako, Japan M5.7 142 km
May 7, 2011 69 km ESE of Hachinohe, Japan M5.7 145 km
Jul 26, 1999 26 km ENE of Misawa, Japan M5.7 98 km
Oct 26, 1997 8 km WSW of Yokote, Japan M5.6 136 km
Jan 28, 2012 63 km NNE of Miyako, Japan M5.6 144 km
Feb 17, 2015 51 km N of Miyako, Japan M5.5 121 km
Jul 9, 2015 15 km S of Hachinohe, Japan M5.5 78 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 1 279 km
2002 Higos Category 1 70 km
2000 Kirogi Category 1 248 km
1998 Vicki Category 1 92 km
1995 Ryan Category 1 225 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

18 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 2,000 148 km
1983 NOSHIRO, JAPAN Earthquake 14.9 m 104 124 km
1763 SANRIKU Earthquake 5.0 m 125 km
1793 W. OFF AOMORI Earthquake 1.8 m 12 64 km
1939 NW. HONSHU ISLAND Earthquake 1.2 m 27 102 km
1810 NW. HONSHU ISLAND Earthquake 1.0 m 57 89 km
2025 OFF NORTHEAST COAST HONSHU Earthquake 0.7 m 145 km
1983 NOSHIRO, JAPAN Earthquake 0.6 m 141 km
1964 NW. HONSHU ISLAND Earthquake 0.6 m 135 km
1912 SANRIKU Earthquake 0.5 m 121 km
1945 SANRIKU Earthquake 0.4 m 2 136 km
1901 OFF NORTHEAST COAST HONSHU Earthquake 0.3 m 18 147 km
1964 NW. HONSHU ISLAND Earthquake 0.1 m 142 km
1964 NW. HONSHU ISLAND Earthquake 133 km
1766 SANRIKU Earthquake 1,700 44 km
1763 SANRIKU, HACHIONHE Earthquake 123 km
1644 HONJO, AKITA Earthquake 117 131 km
1341 JUSANKO, TSUGARU AOMORI PREFECTURE Earthquake 2,600 105 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Towada (26 km).

Name Type Elevation Last Eruption Distance
Towada Caldera 1,011 m (3,317 ft) 915 26 km
Iwakisan Stratovolcano 1,625 m (5,331 ft) 1863 27 km
Hakkodasan Stratovolcano(es) 1,585 m (5,200 ft) 1550 30 km
Akita-Yakeyama Stratovolcano 1,366 m (4,482 ft) 1997 64 km
Hachimantai Stratovolcano 1,613 m (5,292 ft) -5350 67 km
Iwatesan Complex 2,038 m (6,686 ft) 1919 83 km
Akita-Komagatake Stratovolcano(es) 1,637 m (5,371 ft) 1971 87 km
Megata Maar(s) 291 m (955 ft) -2050 95 km
Osorezan Stratovolcano 878 m (2,881 ft) 1787 96 km
Oshima-Oshima Stratovolcano 732 m (2,402 ft) 1790 149 km
Esan Lava dome(s) 618 m (2,028 ft) 1874 151 km
Chokaisan Stratovolcano(es) 2,236 m (7,336 ft) 1974 164 km
Hokkaido-Komagatake Stratovolcano 1,131 m (3,711 ft) 2000 172 km
Kurikomayama Stratovolcano 1,627 m (5,338 ft) 1950 174 km
Naruko Caldera 470 m (1,542 ft) 837 200 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 4.6 in Coldest
February 28°F (-2°C) 3.7 in
March 35°F (1°C) 3.3 in
April 46°F (8°C) 3.2 in
May 56°F (13°C) 3.2 in Driest
June 63°F (17°C) 3.7 in
July 71°F (22°C) 5.1 in
August 74°F (23°C) 5.8 in Warmest
September 66°F (19°C) 6.0 in Wettest
October 54°F (12°C) 4.7 in
November 43°F (6°C) 4.8 in
December 33°F (0°C) 5.0 in

Ōwani has a seasonal temperature swing of 47°F / from 27°F in January to 74°F in August. Total annual precipitation is 53.3 inches, with September being the wettest month (6.0") and May the driest (3.2").

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