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Kamagaya, Japan

Full City Profile

4.2 /5.0
A Great
109,932 Population 10,928/sq mi density
102 ft Elevation 31 meters
62°F Avg Temperature 16°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
Kamagaya enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 294 sunny days per year. Annual precipitation totals 51.7 inches. The area receives 1.3 inches of snow annually.

Temperature

39°F Jan (4°C) 82°F Jul (28°C)
Annual Average61.5°F
14% above US avg
January Average39°F (4°C)
July Average82°F (28°C)
Sunny Days294 days/yr

Geography

Elevation102 ft (31 m)
Area10.1 sq mi (26.1 km²)
Population Density10,928/sq mi
Coordinates35.7697°N, 140.0024°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 51.7"
36% above US avg
Snowfall 1.3"
Wettest Month (Sep) 7.36"
Driest Month (Jan) 1.69"

Air Quality

Earthquake History

2,915 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 M7.9 115 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 144 km
Apr 11, 2011 17 km SSW of Ishikawa, Japan M6.6 142 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 147 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 137 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 41 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 146 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 35 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 89 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 65 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 48 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 148 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 55 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 113 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 138 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 132 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 121 km
Jan 9, 1995 48 km ENE of Hasaki, Japan M6.0 122 km
Apr 3, 2004 37 km ESE of Hitachi, Japan M6.0 116 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 63 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 1 287 km
2024 Ampil Category 3 196 km
2024 Jebi Category 1 227 km
2021 Mindulle Category 1 297 km
2019 Faxai Category 3 27 km
2019 Hagibis Category 2 58 km
2018 Jongdari Category 2 204 km
2018 Shanshan Category 1 147 km
2016 Lionrock Category 1 235 km
2016 Mindulle Category 1 170 km
2014 Phanfone Category 1 175 km
2011 Roke Category 2 74 km
2009 Krovanh Category 1 253 km
2007 Fitow Category 1 75 km
2005 Saola Category 2 256 km
2005 Mawar Category 2 28 km
2004 Ma-on Category 3 26 km
2003 Choi-wan Category 3 274 km
2002 Higos Category 2 17 km
2002 Phanfone Category 1 289 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 87 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 120 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 87 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 96 km
1670 BOSO, JAPAN Earthquake 2.0 m 95 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 107 km
1980 HONSHU ISLAND Earthquake 0.6 m 130 km
1978 TOKAIDO Earthquake 0.4 m 25 126 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 98 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 121 km
1990 JAPAN Earthquake 0.2 m 137 km
1855 TOKAIDO Earthquake 6,757 23 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 79 km
1642 BOSO, JAPAN Earthquake 83 km
1633 SAGAMI BAY Earthquake 150 96 km
1602 BOSO, JAPAN Eruption + Earthquake 87 km
1257 SAGAMI BAY, JAPAN Earthquake 78 km
1241 KAMAKURA, SAGAMI BAY Earthquake 84 km
818 TOKAIDO Eruption + Earthquake 90 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (107 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 107 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 114 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 120 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 122 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 124 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 127 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 127 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 128 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 129 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 130 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 147 km
Asamayama Complex 2,568 m (8,425 ft) 2019 151 km
Nasudake Stratovolcano(es) 1,915 m (6,283 ft) 1963 151 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 154 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 156 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.7 in Coldest, Driest
February 41°F (5°C) 2.4 in
March 47°F (8°C) 3.8 in
April 57°F (14°C) 4.6 in
May 64°F (18°C) 4.5 in
June 70°F (21°C) 6.2 in
July 82°F (28°C) 5.0 in Warmest
August 80°F (26°C) 5.2 in
September 73°F (23°C) 7.4 in Wettest
October 63°F (17°C) 6.7 in
November 53°F (12°C) 3.4 in
December 44°F (7°C) 1.7 in

Kamagaya has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 52.5 inches, with September being the wettest month (7.4") and January the driest (1.7").

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