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Kanaishima, Japan

Full City Profile

4.2 /5.0
A Great
18,329 Population 5,782/sq mi density
197 ft Elevation 60 meters
55°F Avg Temperature 13°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.4 / 5.0
$38,600 median income, 2.5% unemployment
A+
Affordability
4.9 / 5.0
$122,000 home value, $610/mo rent
Kanaishima experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 36°F in January while summers reach 72°F in July. The area gets 218 sunny days per year. Annual precipitation totals 65.1 inches. The area receives 0.0 inches of snow annually.

Temperature

36°F Jan (2°C) 72°F Jul (22°C)
Annual Average54.5°F
1% above US avg
January Average36°F (2°C)
July Average72°F (22°C)
Sunny Days218 days/yr

Geography

Elevation197 ft (60 m)
Area3.2 sq mi (8.2 km²)
Population Density5,782/sq mi
Coordinates35.3441°N, 139.1175°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 65.1"
71% above US avg
Snowfall 0.0"
Wettest Month (Aug) 9.37"
Driest Month (Dec) 1.77"

Air Quality

Earthquake History

2,104 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.4. Most recent: M4.3 on Aug 28, 2025.

Feb 20, 1990 28 km E of Shimoda, Japan M6.4 72 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 112 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 132 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 124 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 111 km
Aug 10, 2009 8 km NE of Sagara, Japan M6.2 103 km
Jul 1, 2000 53 km SSE of Shimoda, Japan M6.1 125 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 129 km
Jul 15, 2000 near the south coast of Honshu, Japan M6.1 115 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 49 km
May 4, 2014 31 km ESE of It?, Japan M6.0 55 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 148 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 101 km
Jul 8, 2000 71 km SSE of Shimoda, Japan M5.9 144 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 66 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 120 km
Oct 6, 1995 68 km S of Shimoda, Japan M5.9 142 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 80 km
Apr 29, 2012 5 km NNW of T?gane, Japan M5.8 115 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 55 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Halong Category 3 297 km
2025 Nakri Category 1 272 km
2024 Ampil Category 3 228 km
2024 Jebi Category 1 287 km
2019 Faxai Category 4 52 km
2019 Hagibis Category 2 38 km
2018 Jongdari Category 2 148 km
2018 Shanshan Category 1 190 km
2017 Lan Category 1 279 km
2016 Mindulle Category 1 121 km
2014 Phanfone Category 1 82 km
2013 Wipha Category 1 284 km
2011 Roke Category 3 62 km
2009 Melor Category 1 275 km
2009 Krovanh Category 1 217 km
2008 Sinlaku Category 1 289 km
2007 Fitow Category 1 29 km
2005 Saola Category 2 287 km
2005 Mawar Category 2 44 km
2004 Ma-on Category 4 23 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 44 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 95 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 44 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 60 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 103 km
1980 HONSHU ISLAND Earthquake 0.6 m 60 km
1978 TOKAIDO Earthquake 0.4 m 25 61 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 110 km
1974 TOKAIDO Earthquake 0.2 m 30 91 km
1990 JAPAN Earthquake 0.2 m 72 km
2000 HONSHU: S COAST Earthquake 0.1 m 115 km
2000 KOZU-SHIMA ISLAND, HONSHU Earthquake 0.1 m 1 125 km
1857 TOKAIDO Earthquake 96 km
1855 TOKAIDO Earthquake 6,757 71 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 60 km
1642 BOSO, JAPAN Earthquake 136 km
1633 SAGAMI BAY Earthquake 150 18 km
1602 BOSO, JAPAN Eruption + Earthquake 129 km
1589 SURUGA, JAPAN Earthquake 103 km
1257 SAGAMI BAY, JAPAN Earthquake 38 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (15 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 15 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 35 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 49 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 73 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 93 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 106 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 110 km
Kozushima Lava dome(s) 572 m (1,877 ft) 838 125 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 128 km
Asamayama Complex 2,568 m (8,425 ft) 2019 130 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 135 km
Miyakejima Stratovolcano 775 m (2,543 ft) 2010 144 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 151 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 159 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 160 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 36°F (2°C) 1.9 in Coldest
February 37°F (3°C) 2.5 in
March 42°F (5°C) 4.3 in
April 52°F (11°C) 5.0 in
May 60°F (15°C) 5.8 in
June 65°F (18°C) 8.3 in
July 72°F (22°C) 6.8 in
August 74°F (24°C) 9.4 in Warmest, Wettest
September 68°F (20°C) 9.1 in
October 58°F (15°C) 6.8 in
November 50°F (10°C) 3.5 in
December 41°F (5°C) 1.8 in Driest

Kanaishima has a seasonal temperature swing of 38°F / from 36°F in January to 74°F in August. Total annual precipitation is 65.1 inches, with August being the wettest month (9.4") and December the driest (1.8").

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