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Yotsukaidō, Japan

Full City Profile

4.2 /5.0
A Great
95,266 Population 7,147/sq mi density
82 ft Elevation 25 meters
63°F Avg Temperature 17°C
A
Overall
4.2 / 5.0
Strong
B
Economy
3.3 / 5.0
$35,400 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$102,000 home value, $510/mo rent
Yotsukaidō enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°F in January while summers reach 82°F in July. The area gets 283 sunny days per year. Annual precipitation totals 50.3 inches. The area receives 0.5 inches of snow annually.

Temperature

42°F Jan (6°C) 82°F Jul (28°C)
Annual Average63.1°F
17% above US avg
January Average42°F (6°C)
July Average82°F (28°C)
Sunny Days283 days/yr

Geography

Elevation82 ft (25 m)
Area13.3 sq mi (34.5 km²)
Population Density7,147/sq mi
Coordinates35.6500°N, 140.1667°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 50.3"
32% above US avg
Snowfall 0.5"
Wettest Month (Sep) 7.64"
Driest Month (Dec) 2.09"

Air Quality

Earthquake History

3,007 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.9. Most recent: M4.2 on Aug 29, 2025.

Mar 11, 2011 47 km E of ?arai, Japan M7.9 110 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 135 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 138 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 134 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 21 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 15 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 29 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 45 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 71 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 137 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 110 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 125 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 133 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 35 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 118 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 48 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 121 km
May 4, 2014 31 km ESE of It?, Japan M6.0 107 km
Apr 3, 2004 37 km ESE of Hitachi, Japan M6.0 115 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 64 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Nakri Category 1 268 km
2024 Ampil Category 3 176 km
2024 Jebi Category 1 208 km
2021 Mindulle Category 1 278 km
2019 Faxai Category 4 21 km
2019 Hagibis Category 2 70 km
2018 Jongdari Category 2 196 km
2018 Shanshan Category 1 127 km
2016 Mindulle Category 1 162 km
2016 Lionrock Category 1 221 km
2014 Phanfone Category 1 181 km
2011 Roke Category 1 92 km
2009 Krovanh Category 1 240 km
2007 Fitow Category 1 88 km
2005 Saola Category 2 236 km
2005 Mawar Category 2 13 km
2004 Ma-on Category 4 34 km
2003 Choi-wan Category 3 254 km
2002 Higos Category 2 37 km
2002 Phanfone Category 1 272 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 86 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 111 km
1677 OFF SE. BOSO PENINSULA Earthquake 8.0 m 500 141 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 86 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 76 km
1670 BOSO, JAPAN Earthquake 2.0 m 77 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 103 km
1980 HONSHU ISLAND Earthquake 0.6 m 130 km
1978 TOKAIDO Earthquake 0.4 m 25 125 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 84 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 121 km
1990 JAPAN Earthquake 0.2 m 134 km
1855 TOKAIDO Earthquake 6,757 33 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 74 km
1642 BOSO, JAPAN Earthquake 64 km
1633 SAGAMI BAY Earthquake 150 101 km
1602 BOSO, JAPAN Eruption + Earthquake 68 km
1257 SAGAMI BAY, JAPAN Earthquake 78 km
1241 KAMAKURA, SAGAMI BAY Earthquake 86 km
818 TOKAIDO Eruption + Earthquake 93 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (114 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 114 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 125 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 128 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 134 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 134 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 138 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 140 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 143 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 146 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 149 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 150 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 162 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 165 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 165 km
Asamayama Complex 2,568 m (8,425 ft) 2019 170 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 2.1 in
February 42°F (5°C) 2.9 in Coldest
March 47°F (8°C) 4.4 in
April 56°F (14°C) 4.8 in
May 64°F (18°C) 4.7 in
June 70°F (21°C) 6.5 in
July 82°F (28°C) 4.7 in Warmest
August 79°F (26°C) 5.1 in
September 73°F (23°C) 7.6 in Wettest
October 63°F (17°C) 7.3 in
November 54°F (12°C) 4.0 in
December 45°F (7°C) 2.1 in Driest

Yotsukaidō has a seasonal temperature swing of 40°F / from 42°F in February to 82°F in July. Total annual precipitation is 56.4 inches, with September being the wettest month (7.6") and December the driest (2.1").

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