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Isen, Japan

Full City Profile

4.1 /5.0
A Great
6,594 Population 14/sq mi density
253 ft Elevation 77 meters
71°F Avg Temperature 22°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$26,600 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$64,000 home value, $320/mo rent
Isen has a warm climate with an average annual temperature of 71°F (22°C). Winters average 58°F in January while summers reach 83°F in July. The area gets 173 sunny days per year. Annual precipitation totals 90.0 inches. The area receives 0.0 inches of snow annually.

Temperature

58°F Jan (15°C) 83°F Jul (28°C)
Annual Average70.7°F
31% above US avg
January Average58°F (15°C)
July Average83°F (28°C)
Sunny Days173 days/yr

Geography

Elevation253 ft (77 m)
Area467.0 sq mi (1,209.6 km²)
Population Density14/sq mi
Coordinates27.6761°N, 128.9372°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 90.0"
137% above US avg
Snowfall 0.0"
Wettest Month (Jun) 12.40"
Driest Month (Dec) 4.65"

Air Quality

Earthquake History

873 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.1. Most recent: M4.4 on Aug 15, 2025.

Oct 18, 1995 83 km SE of Naze, Japan M7.1 125 km
Oct 19, 1995 71 km ESE of Naze, Japan M6.8 128 km
Jun 13, 2020 130 km WNW of Naze, Japan M6.6 147 km
Oct 19, 1995 69 km ESE of Naze, Japan M6.3 132 km
Dec 8, 2001 15 km SE of Naze, Japan M6.2 89 km
Oct 18, 1995 73 km ESE of Naze, Japan M6.1 138 km
Jul 22, 2004 91 km E of Nago, Japan M6.1 132 km
Jun 16, 1990 153 km N of Nago, Japan M6.0 101 km
Jul 8, 2008 107 km NNE of Nago, Japan M6.0 62 km
Jun 4, 1992 145 km WSW of Naze, Japan M6.0 95 km
May 27, 2016 165 km SSE of Naze, Japan M5.9 141 km
Sep 28, 2009 146 km N of Nago, Japan M5.8 113 km
Jun 2, 1996 102 km NNE of Nago, Japan M5.8 53 km
Apr 20, 2007 102 km NNE of Nago, Japan M5.7 60 km
Sep 27, 2003 118 km WNW of Naze, Japan M5.7 139 km
Aug 16, 1995 139 km W of Naze, Japan M5.7 122 km
Sep 26, 2016 110 km NNE of Nago, Japan M5.7 43 km
Oct 19, 1995 79 km SE of Naze, Japan M5.7 104 km
Aug 3, 2014 143 km WSW of Naze, Japan M5.7 95 km
Nov 1, 1995 59 km ESE of Naze, Japan M5.7 123 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

98 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Shanshan (2024).

Year Name Category Closest
2024 Shanshan Category 4 169 km
2024 Bebinca Category 1 159 km
2023 Khanun Category 4 280 km
2022 Nanmadol Category 4 258 km
2022 Hinnamnor Category 4 229 km
2020 Haishen Category 4 154 km
2020 Maysak Category 4 271 km
2020 Bavi Category 2 241 km
2019 Neoguri Category 1 264 km
2018 Soulik Category 3 170 km
2018 Trami Category 2 55 km
2018 Prapiroon Category 1 171 km
2017 Saola Category 1 19 km
2017 Noru Category 1 227 km
2016 Chaba Category 5 264 km
2016 Malakas Category 3 263 km
2016 Namtheun Category 3 180 km
2015 Goni Category 4 140 km
2015 Halola Category 1 195 km
2014 Phanfone Category 4 235 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 2.6 m (8 ft).

Year Location Cause Max Wave Deaths Distance
1995 RYUKYU ISLANDS Earthquake 2.6 m 125 km
1995 RYUKYU ISLANDS Eruption + Earthquake 1.5 m 128 km
1901 RYUKYU ISLANDS Earthquake 0.3 m 139 km
1911 RYUKYU ISLANDS Earthquake 12 111 km
1664 TORISHIMA, RYUKYU ISLANDS Astronomical 70 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

2 volcanoes within 200 km. Closest: Io-Torishima (74 km).

Name Type Elevation Last Eruption Distance
Io-Torishima Complex 212 m (696 ft) 1968 74 km
Yokoate-jima Stratovolcano(es) 495 m (1,624 ft) 1835 125 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 58°F (15°C) 5.1 in Coldest
February 59°F (15°C) 5.5 in
March 63°F (17°C) 6.6 in
April 68°F (20°C) 9.0 in
May 73°F (23°C) 10.6 in
June 78°F (25°C) 12.4 in Wettest
July 83°F (28°C) 8.1 in Warmest
August 82°F (28°C) 8.4 in
September 80°F (27°C) 6.8 in
October 75°F (24°C) 6.6 in
November 69°F (20°C) 6.5 in
December 62°F (17°C) 4.7 in Driest

Isen has a seasonal temperature swing of 24°F / from 58°F in January to 83°F in July. Total annual precipitation is 90.0 inches, with June being the wettest month (12.4") and December the driest (4.7").

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