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Narimasu, Japan

Full City Profile

4.1 /5.0
A Great
30,203 Population 1,870/sq mi density
95 ft Elevation 29 meters
62°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
Narimasu enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 39°F in January while summers reach 84°F in July. The area gets 293 sunny days per year. Annual precipitation totals 51.6 inches. The area receives 5.4 inches of snow annually.

Temperature

39°F Jan (4°C) 84°F Jul (29°C)
Annual Average62.2°F
15% above US avg
January Average39°F (4°C)
July Average84°F (29°C)
Sunny Days293 days/yr

Geography

Elevation95 ft (29 m)
Area16.2 sq mi (41.8 km²)
Population Density1,870/sq mi
Coordinates35.7836°N, 139.6323°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 51.6"
36% above US avg
Snowfall 5.4"
Wettest Month (Sep) 8.07"
Driest Month (Jan) 1.61"

Air Quality

Earthquake History

2,349 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 M7.9 144 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 125 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 70 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 122 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 79 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 65 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 95 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 86 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 142 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 146 km
May 4, 2014 31 km ESE of It?, Japan M6.0 99 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 97 km
Apr 3, 2004 37 km ESE of Hitachi, Japan M6.0 143 km
Aug 6, 1991 19 km E of Hasaki, Japan M6.0 128 km
Mar 15, 2011 6 km NNW of Fujinomiya, Japan M6.0 111 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 112 km
Apr 10, 2005 near the east coast of Honshu, Japan M5.9 72 km
Jun 24, 2020 36 km SE of Hasaki, Japan M5.9 135 km
Jul 23, 2005 9 km WSW of Ichihara, Japan M5.9 45 km
Jan 15, 2007 15 km WSW of Heda, Japan M5.9 134 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

35 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Ampil (2024).

Year Name Category Closest
2024 Ampil Category 3 222 km
2024 Jebi Category 1 257 km
2019 Faxai Category 3 40 km
2019 Hagibis Category 2 29 km
2018 Jongdari Category 2 200 km
2018 Shanshan Category 1 172 km
2016 Lionrock Category 1 268 km
2016 Mindulle Category 1 165 km
2014 Phanfone Category 1 149 km
2011 Roke Category 2 41 km
2009 Krovanh Category 1 255 km
2007 Fitow Category 1 44 km
2005 Saola Category 2 280 km
2005 Mawar Category 2 49 km
2004 Ma-on Category 3 25 km
2003 Choi-wan Category 3 296 km
2002 Higos Category 2 27 km
2001 Vipa Category 1 268 km
2001 Danas Category 1 24 km
2000 Kirogi Category 1 111 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 77 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 121 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 77 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 124 km
1670 BOSO, JAPAN Earthquake 2.0 m 128 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 99 km
1980 HONSHU ISLAND Earthquake 0.6 m 116 km
1978 TOKAIDO Earthquake 0.4 m 25 114 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 111 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 146 km
1990 JAPAN Earthquake 0.2 m 125 km
1855 TOKAIDO Earthquake 6,757 21 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 76 km
1642 BOSO, JAPAN Earthquake 109 km
1633 SAGAMI BAY Earthquake 150 76 km
1602 BOSO, JAPAN Eruption + Earthquake 109 km
1257 SAGAMI BAY, JAPAN Earthquake 66 km
1241 KAMAKURA, SAGAMI BAY Earthquake 68 km
818 TOKAIDO Eruption + Earthquake 72 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Hakoneyama (83 km).

Name Type Elevation Last Eruption Distance
Hakoneyama Complex 1,438 m (4,718 ft) 2015 83 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 94 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 95 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 104 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 110 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 110 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 113 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 115 km
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 120 km
Asamayama Complex 2,568 m (8,425 ft) 2019 121 km
Yokodake Stratovolcano(es) 2,480 m (8,136 ft) 1200 123 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 125 km
Hiuchigatake Stratovolcano 2,356 m (7,730 ft) 1544 134 km
Kusatsu-Shiranesan Stratovolcano(es) 2,165 m (7,103 ft) 2018 136 km
Shiga Shield(s) 2,041 m (6,696 ft) Unknown 142 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 39°F (4°C) 1.6 in Coldest, Driest
February 41°F (5°C) 2.2 in
March 47°F (8°C) 3.7 in
April 57°F (14°C) 4.5 in
May 65°F (18°C) 5.4 in
June 71°F (22°C) 7.3 in
July 84°F (29°C) 6.4 in Warmest
August 80°F (27°C) 6.9 in
September 73°F (23°C) 8.1 in Wettest
October 63°F (17°C) 6.7 in
November 53°F (12°C) 3.2 in
December 44°F (7°C) 1.6 in

Narimasu has a seasonal temperature swing of 45°F / from 39°F in January to 84°F in July. Total annual precipitation is 57.5 inches, with September being the wettest month (8.1") and January the driest (1.6").

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