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Aoto, Japan

Full City Profile

4.1 /5.0
A Great
27,980 Population 1,575/sq mi density
16 ft Elevation 5 meters
63°F Avg Temperature 17°C
A
Overall
4.1 / 5.0
Strong
B+
Economy
3.5 / 5.0
$45,800 median income, 2.7% unemployment
A+
Affordability
4.6 / 5.0
$166,000 home value, $830/mo rent
Aoto 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

Elevation16 ft (5 m)
Area17.8 sq mi (46.0 km²)
Population Density1,575/sq mi
Coordinates35.7497°N, 139.8541°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 50.3"
32% above US avg
Snowfall 0.5"
Wettest Month (Sep) 7.64"
Driest Month (Dec) 1.54"

Air Quality

Earthquake History

2,691 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 M7.9 128 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 148 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 128 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 51 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 101 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 75 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 59 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 45 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 126 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 147 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 66 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 145 km
Aug 6, 1991 19 km E of Hasaki, Japan M6.0 107 km
May 4, 2014 31 km ESE of It?, Japan M6.0 101 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 92 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 132 km
Jan 9, 1995 48 km ENE of Hasaki, Japan M6.0 135 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 127 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 76 km
Apr 3, 2004 37 km ESE of Hitachi, Japan M6.0 128 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

38 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Nakri (2025).

Year Name Category Closest
2025 Nakri Category 1 292 km
2024 Ampil Category 3 204 km
2024 Jebi Category 1 238 km
2019 Faxai Category 3 28 km
2019 Hagibis Category 2 44 km
2018 Jongdari Category 2 199 km
2018 Shanshan Category 1 155 km
2016 Mindulle Category 1 164 km
2016 Lionrock Category 1 248 km
2014 Phanfone Category 1 162 km
2011 Roke Category 2 61 km
2009 Krovanh Category 1 250 km
2007 Fitow Category 1 61 km
2005 Saola Category 2 263 km
2005 Mawar Category 2 39 km
2004 Ma-on Category 3 17 km
2003 Choi-wan Category 3 280 km
2002 Higos Category 2 17 km
2002 Phanfone Category 1 292 km
2001 Vipa Category 1 254 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

19 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 79 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 117 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 79 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 105 km
1670 BOSO, JAPAN Earthquake 2.0 m 107 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 100 km
1980 HONSHU ISLAND Earthquake 0.6 m 121 km
1978 TOKAIDO Earthquake 0.4 m 25 118 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 100 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 133 km
1990 JAPAN Earthquake 0.2 m 128 km
1855 TOKAIDO Earthquake 6,757 12 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 74 km
1642 BOSO, JAPAN Earthquake 91 km
1633 SAGAMI BAY Earthquake 150 85 km
1602 BOSO, JAPAN Eruption + Earthquake 93 km
1257 SAGAMI BAY, JAPAN Earthquake 69 km
1241 KAMAKURA, SAGAMI BAY Earthquake 74 km
818 TOKAIDO Eruption + Earthquake 79 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (95 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 95 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 108 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 111 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 117 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 118 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 120 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 121 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 122 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 124 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 128 km
Asamayama Complex 2,568 m (8,425 ft) 2019 140 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 143 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 143 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 146 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 153 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 42°F (6°C) 1.6 in
February 42°F (5°C) 2.3 in Coldest
March 47°F (8°C) 3.9 in
April 57°F (14°C) 4.7 in
May 65°F (18°C) 4.7 in
June 71°F (22°C) 6.5 in
July 82°F (28°C) 5.6 in Warmest
August 80°F (27°C) 5.6 in
September 74°F (23°C) 7.6 in Wettest
October 64°F (18°C) 6.5 in
November 54°F (12°C) 3.4 in
December 45°F (7°C) 1.5 in Driest

Aoto has a seasonal temperature swing of 40°F / from 42°F in February to 82°F in July. Total annual precipitation is 53.8 inches, with September being the wettest month (7.6") and December the driest (1.5").

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