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Izunokuni, Japan

Full City Profile

4.2 /5.0
A Great
48,579 Population 1,330/sq mi density
56 ft Elevation 17 meters
60°F Avg Temperature 15°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$33,100 median income, 2.2% unemployment
A+
Affordability
5.0 / 5.0
$84,000 home value, $420/mo rent
Izunokuni enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 42°F in January while summers reach 77°F in July. The area gets 206 sunny days per year. Annual precipitation totals 71.9 inches. The area receives 0.0 inches of snow annually.

Temperature

42°F Jan (6°C) 77°F Jul (25°C)
Annual Average59.8°F
11% above US avg
January Average42°F (6°C)
July Average77°F (25°C)
Sunny Days206 days/yr

Geography

Elevation56 ft (17 m)
Area36.5 sq mi (94.6 km²)
Population Density1,330/sq mi
Coordinates35.0391°N, 138.9514°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 71.9"
89% above US avg
Snowfall 0.0"
Wettest Month (Jun) 9.45"
Driest Month (Dec) 2.36"

Air Quality

Earthquake History

1,992 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.5. Most recent: M4.1 on Aug 23, 2025.

Jul 30, 2000 94 km SSE of Shimoda, Japan M6.5 132 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 46 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 137 km
Aug 10, 2009 8 km NE of Sagara, Japan M6.2 71 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 137 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 149 km
Jul 15, 2000 near the south coast of Honshu, Japan M6.1 85 km
Jul 1, 2000 53 km SSE of Shimoda, Japan M6.1 92 km
May 4, 2014 31 km ESE of It?, Japan M6.0 45 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 42 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 33 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 107 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 146 km
Jul 8, 2000 71 km SSE of Shimoda, Japan M5.9 111 km
Oct 6, 1995 68 km S of Shimoda, Japan M5.9 108 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 66 km
Apr 29, 2012 5 km NNW of T?gane, Japan M5.8 141 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 64 km
Aug 18, 2000 64 km SSE of Shimoda, Japan M5.7 104 km
Jul 30, 2000 90 km SSE of Shimoda, Japan M5.7 128 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

48 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Halong (2025).

Year Name Category Closest
2025 Halong Category 3 271 km
2025 Nakri Category 1 249 km
2024 Ampil Category 3 219 km
2024 Jebi Category 1 297 km
2019 Faxai Category 4 49 km
2019 Hagibis Category 2 54 km
2018 Jongdari Category 2 111 km
2018 Shanshan Category 1 198 km
2017 Lan Category 1 243 km
2016 Mindulle Category 1 96 km
2014 Phanfone Category 1 53 km
2013 Wipha Category 1 249 km
2011 Roke Category 3 98 km
2010 Chaba Category 1 269 km
2009 Melor Category 1 244 km
2009 Krovanh Category 1 192 km
2008 Sinlaku Category 1 255 km
2007 Fitow Category 1 27 km
2005 Saola Category 2 272 km
2005 Mawar Category 2 30 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 tsunamis recorded within 500 km. Highest wave on record: 13.0 m (43 ft).

Year Location Cause Max Wave Deaths Distance
1923 SAGAMI BAY Earthquake 13.0 m 105,385 50 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 86 km
1707 ENSHUNADA Earthquake 11.0 m 2,000 148 km
1498 ENSHUNADA SEA Earthquake 10.0 m 5,000 139 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 50 km
1855 ENSHUNADA Earthquake 3.0 m 137 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 52 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 71 km
1980 HONSHU ISLAND Earthquake 0.6 m 33 km
1978 TOKAIDO Earthquake 0.4 m 25 38 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 115 km
1974 TOKAIDO Earthquake 0.2 m 30 54 km
1982 S. OF HONSHU ISLAND Earthquake 0.2 m 142 km
1990 JAPAN Earthquake 0.2 m 46 km
2000 HONSHU: S COAST Earthquake 0.1 m 132 km
2000 HONSHU: S COAST Earthquake 0.1 m 85 km
2000 KOZU-SHIMA ISLAND, HONSHU Earthquake 0.1 m 1 92 km
1857 TOKAIDO Earthquake 65 km
1855 TOKAIDO Earthquake 6,757 103 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 69 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Izu-Tobu (20 km).

Name Type Elevation Last Eruption Distance
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 20 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 23 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 41 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 54 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 65 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 77 km
Kozushima Lava dome(s) 572 m (1,877 ft) 838 93 km
Miyakejima Stratovolcano 775 m (2,543 ft) 2010 118 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 130 km
Mikurajima Stratovolcano 851 m (2,792 ft) -4100 143 km
Asamayama Complex 2,568 m (8,425 ft) 2019 157 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 160 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 164 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 171 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 173 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 2.6 in Coldest
February 43°F (6°C) 3.3 in
March 48°F (9°C) 5.6 in
April 57°F (14°C) 6.4 in
May 64°F (18°C) 6.5 in
June 70°F (21°C) 9.5 in Wettest
July 77°F (25°C) 7.6 in
August 79°F (26°C) 8.7 in Warmest
September 73°F (23°C) 8.9 in
October 64°F (18°C) 6.4 in
November 55°F (13°C) 4.2 in
December 46°F (8°C) 2.4 in Driest

Izunokuni has a seasonal temperature swing of 37°F / from 42°F in January to 79°F in August. Total annual precipitation is 71.9 inches, with June being the wettest month (9.5") and December the driest (2.4").

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