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Oshamambe, Japan

Full City Profile

4.1 /5.0
A Great
5,694 Population 22/sq mi density
13 ft Elevation 4 meters
46°F Avg Temperature 8°C
A
Overall
4.1 / 5.0
Strong
B
Economy
3.1 / 5.0
$28,900 median income, 3.0% unemployment
A+
Affordability
5.0 / 5.0
$68,000 home value, $340/mo rent
Oshamambe experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 25°F in January while summers reach 67°F in July. The area gets 242 sunny days per year. Annual precipitation totals 51.8 inches. The area receives 15.6 inches of snow annually.

Temperature

25°F Jan (-4°C) 67°F Jul (19°C)
Annual Average46.1°F
15% below US avg
January Average25°F (-4°C)
July Average67°F (19°C)
Sunny Days242 days/yr

Geography

Elevation13 ft (4 m)
Area257.3 sq mi (666.5 km²)
Population Density22/sq mi
Coordinates42.5093°N, 140.3773°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 51.8"
36% above US avg
Snowfall 15.6"
Wettest Month (Sep) 6.14"
Driest Month (Mar) 2.95"

Air Quality

Earthquake History

556 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.7. Most recent: M5.1 on Aug 18, 2025.

Jul 12, 1993 107 km W of Iwanai, Japan M7.7 104 km
Dec 22, 1996 131 km W of Iwanai, Japan M6.5 142 km
Aug 7, 1993 69 km WNW of Kamiiso, Japan M6.5 73 km
Jul 12, 1993 109 km W of Iwanai, Japan M6.3 119 km
Aug 24, 1992 9 km NNW of Honch?, Japan M6.2 64 km
Jun 11, 2023 20 km WSW of Biratori, Japan M6.2 125 km
Jul 12, 1993 101 km W of Iwanai, Japan M6.0 96 km
Jan 12, 2021 84 km NW of Yoichi, Japan M5.9 136 km
Jul 12, 1993 125 km WNW of Kamiiso, Japan M5.6 110 km
Jul 8, 2014 13 km N of Shiraoi, Japan M5.5 81 km
Sep 19, 1993 111 km W of Iwanai, Japan M5.5 120 km
Oct 9, 1997 149 km W of Kamiiso, Japan M5.5 138 km
Apr 18, 2007 21 km E of Tomakomai, Japan M5.5 123 km
Feb 28, 2009 37 km NW of Shizunai-furukawach?, Japan M5.5 142 km
Jul 12, 1993 88 km W of Iwanai, Japan M5.4 94 km
Feb 21, 2019 25 km ESE of Chitose, Japan M5.4 131 km
Jul 15, 1993 95 km WNW of Iwanai, Japan M5.3 115 km
Jul 1, 2017 22 km E of Chitose, Japan M5.3 131 km
Jul 15, 1993 126 km WSW of Iwanai, Japan M5.3 113 km
Jul 16, 1993 94 km WNW of Iwanai, Japan M5.3 116 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

2 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Higos (2002).

Year Name Category Closest
2002 Higos Category 1 239 km
1998 Vicki Category 1 284 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 90.0 m (295 ft).

Year Location Cause Max Wave Deaths Distance
1741 W. HOKKAIDO ISLAND Explosion 90.0 m 2,000 140 km
1993 SEA OF JAPAN Earthquake 32.0 m 231 104 km
1640 SE. HOKKAIDO ISLAND Explosion 8.0 m 700 55 km
1993 JAPAN Earthquake 0.2 m 73 km
1834 W. HOKKAIDO ISLAND Earthquake 121 km
1792 W. HOKKAIDO ISLAND Earthquake 112 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

9 volcanoes within 200 km. Closest: Toya (38 km).

Name Type Elevation Last Eruption Distance
Toya Stratovolcano 733 m (2,405 ft) 2001 38 km
Niseko Stratovolcano(es) 1,308 m (4,291 ft) -4900 47 km
Yoteizan Stratovolcano 1,888 m (6,194 ft) -1050 50 km
Hokkaido-Komagatake Stratovolcano 1,131 m (3,711 ft) 2000 55 km
Kuttara Stratovolcano(es) 549 m (1,801 ft) 1820 64 km
Shikotsu Caldera 1,320 m (4,331 ft) 1979 84 km
Esan Lava dome(s) 618 m (2,028 ft) 1874 102 km
Oshima-Oshima Stratovolcano 732 m (2,402 ft) 1790 139 km
Osorezan Stratovolcano 878 m (2,881 ft) 1787 150 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 25°F (-4°C) 4.5 in Coldest
February 25°F (-4°C) 3.5 in
March 31°F (-0°C) 3.0 in Driest
April 42°F (6°C) 3.1 in
May 51°F (11°C) 3.0 in
June 58°F (15°C) 3.2 in
July 67°F (19°C) 4.6 in
August 70°F (21°C) 5.9 in Warmest
September 63°F (17°C) 6.1 in Wettest
October 52°F (11°C) 5.0 in
November 40°F (5°C) 5.1 in
December 30°F (-1°C) 4.7 in

Oshamambe has a seasonal temperature swing of 45°F / from 25°F in January to 70°F in August. Total annual precipitation is 51.8 inches, with September being the wettest month (6.1") and March the driest (3.0").

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