Enzan, Japan

Full City Profile

25,142 Population 352/sq mi density
1,289 ft Elevation 393 meters
50°F Avg Temperature 10°C
Enzan experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 30°F in January while summers reach 69°F in July. Annual precipitation totals 57.5 inches. The area receives 4.5 inches of snow annually.

Temperature

30°F Jan (-1°C) 69°F Jul (20°C)
Annual Average50.0°F
7% below US avg
January Average30°F (-1°C)
July Average69°F (20°C)

Geography

Elevation1,289 ft (393 m)
Area71.3 sq mi (184.7 km²)
Population Density352/sq mi
Coordinates35.7000°N, 138.7333°E
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 57.5"
51% above US avg
Snowfall 4.5"
Wettest Month (Aug) 8.98"
Driest Month (Dec) 1.18"

Air Quality

Earthquake History

1,251 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 M6.4 120 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 147 km
Aug 10, 2009 8 km NE of Sagara, Japan M6.2 115 km
Mar 11, 2011 13 km E of Arai, Japan M6.2 150 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 143 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 50 km
May 4, 2014 31 km ESE of It?, Japan M6.0 108 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 90 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 115 km
Aug 1, 2011 20 km E of ?yama, Japan M5.9 122 km
Apr 29, 2012 5 km NNW of T?gane, Japan M5.8 146 km
Feb 25, 2013 29 km NE of Numata, Japan M5.8 135 km
Feb 1, 1992 4 km SSE of Miura, Japan M5.8 106 km
Apr 16, 2011 6 km ENE of Tanuma, Japan M5.8 112 km
Mar 11, 2011 eastern Honshu, Japan M5.7 144 km
Nov 9, 2013 3 km WSW of Moriya, Japan M5.6 114 km
Mar 4, 1997 9 km SSW of It?, Japan M5.6 94 km
May 3, 1998 14 km SW of It?, Japan M5.6 95 km
Apr 20, 2006 16 km SE of It?, Japan M5.6 103 km
Mar 6, 1996 13 km NNE of Gotenba, Japan M5.6 38 km
Source: USGS (M2.5+, 1990-2025)

Hurricane History

37 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Ampil (2024).

Year Name Category Closest
2024 Ampil Category 3 280 km
2019 Faxai Category 4 98 km
2019 Hagibis Category 2 61 km
2018 Jongdari Category 2 171 km
2018 Jebi Category 1 261 km
2018 Shanshan Category 1 237 km
2017 Lan Category 1 292 km
2016 Mindulle Category 1 171 km
2014 Phanfone Category 1 94 km
2011 Roke Category 3 48 km
2009 Melor Category 1 271 km
2009 Krovanh Category 1 267 km
2008 Sinlaku Category 1 297 km
2007 Fitow Category 1 44 km
2005 Mawar Category 2 96 km
2004 Ma-on Category 4 76 km
2003 Etau Category 1 229 km
2002 Higos Category 2 96 km
2001 Danas Category 1 89 km
2000 Kirogi Category 1 184 km
Source: NOAA IBTrACS (Cat 1+, 1980-2026)

Tsunami History

17 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 96 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 148 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 96 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m - 113 km
2009 HONSHU: S COAST Earthquake 0.6 m 1 115 km
1980 HONSHU ISLAND Earthquake 0.6 m - 107 km
1978 TOKAIDO Earthquake 0.4 m 25 110 km
1974 TOKAIDO Earthquake 0.2 m 30 122 km
1990 JAPAN Earthquake 0.2 m - 120 km
1857 TOKAIDO Earthquake - - 108 km
1855 TOKAIDO Earthquake - 6,757 97 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake - - 110 km
1633 SAGAMI BAY Earthquake - 150 70 km
1589 SURUGA, JAPAN Earthquake - - 111 km
1257 SAGAMI BAY, JAPAN Earthquake - - 89 km
1241 KAMAKURA, SAGAMI BAY Earthquake - - 82 km
818 TOKAIDO Eruption + Earthquake - - 76 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Fujisan (38 km).

Name Type Elevation Last Eruption Distance
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 38 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 57 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 58 km
Asamayama Complex 2,568 m (8,425 ft) 2019 81 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 87 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 95 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 104 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 104 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 112 km
Ontakesan Complex 3,067 m (10,062 ft) 2014 115 km
Norikuradake Stratovolcano(es) 3,026 m (9,928 ft) -50 115 km
Yakedake Stratovolcano(es) 2,455 m (8,054 ft) 1995 119 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 124 km
Washiba-Kumonotaira Shield(s) 2,924 m (9,593 ft) Unknown 129 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 135 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 30°F (-1°C) 1.4 in Coldest
February 31°F (-1°C) 2.0 in
March 36°F (2°C) 3.4 in
April 48°F (9°C) 4.3 in
May 56°F (13°C) 5.0 in
June 62°F (17°C) 7.6 in
July 69°F (20°C) 6.9 in
August 71°F (22°C) 9.0 in Warmest, Wettest
September 64°F (18°C) 8.7 in
October 54°F (12°C) 5.6 in
November 44°F (7°C) 2.6 in
December 35°F (2°C) 1.2 in Driest

Enzan has a seasonal temperature swing of 41°F / from 30°F in January to 71°F in August. Total annual precipitation is 57.5 inches, with August being the wettest month (9.0") and December the driest (1.2").

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