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Mobara, Japan

Full City Profile

4.2 /5.0
A Great
88,330 Population 2,290/sq mi density
46 ft Elevation 14 meters
59°F Avg Temperature 15°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
Mobara enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 41°F in January while summers reach 76°F in July. The area gets 224 sunny days per year. Annual precipitation totals 61.5 inches. The area receives 0.0 inches of snow annually.

Temperature

41°F Jan (5°C) 76°F Jul (24°C)
Annual Average59.1°F
9% above US avg
January Average41°F (5°C)
July Average76°F (24°C)
Sunny Days224 days/yr

Geography

Elevation46 ft (14 m)
Area38.6 sq mi (99.9 km²)
Population Density2,290/sq mi
Coordinates35.4258°N, 140.2961°W
TimezoneAsia/Tokyo

Precipitation & Snow

Annual Rainfall 61.5"
62% above US avg
Snowfall 0.0"
Wettest Month (Oct) 8.03"
Driest Month (Dec) 2.36"

Air Quality

Earthquake History

2,881 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 M7.9 120 km
May 7, 2008 78 km NE of Hasaki, Japan M6.9 138 km
Mar 11, 2011 81 km NE of Hasaki, Japan M6.5 141 km
Feb 20, 1990 28 km E of Shimoda, Japan M6.4 124 km
Jun 1, 1990 near the east coast of Honshu, Japan M6.3 11 km
Jun 3, 2000 6 km SE of Narut?, Japan M6.2 21 km
Apr 11, 2011 23 km SE of T?gane, Japan M6.2 25 km
Sep 11, 1996 23 km SSE of Hasaki, Japan M6.2 60 km
May 7, 2008 80 km NE of Hasaki, Japan M6.2 140 km
Apr 21, 2011 6 km WNW of T?gane, Japan M6.2 17 km
Mar 13, 2011 72 km E of Hasaki, Japan M6.1 126 km
May 26, 2023 12 km SE of Narutō, Japan M6.1 24 km
Aug 5, 1990 43 km E of ?arai, Japan M6.1 121 km
Nov 20, 1996 115 km SE of Katsuura, Japan M6.1 142 km
Sep 15, 2011 68 km E of ?arai, Japan M6.1 132 km
Jun 5, 2012 75 km ESE of ?hara, Japan M6.1 93 km
Mar 11, 2011 4 km ESE of Hasaki, Japan M6.0 61 km
May 4, 2014 31 km ESE of It?, Japan M6.0 98 km
Mar 14, 2012 5 km SE of Asahi, Japan M6.0 46 km
Jul 20, 2000 31 km ESE of Hitachi, Japan M6.0 136 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

43 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Halong (2025).

Year Name Category Closest
2025 Halong Category 3 280 km
2025 Nakri Category 1 241 km
2024 Ampil Category 3 150 km
2024 Jebi Category 1 187 km
2021 Mindulle Category 1 259 km
2019 Faxai Category 4 37 km
2019 Hagibis Category 2 83 km
2018 Jongdari Category 2 178 km
2018 Shanshan Category 1 101 km
2016 Mindulle Category 1 145 km
2016 Lionrock Category 1 215 km
2014 Phanfone Category 1 182 km
2011 Roke Category 1 112 km
2009 Krovanh Category 1 217 km
2007 Fitow Category 1 101 km
2005 Saola Category 2 210 km
2005 Mawar Category 2 31 km
2004 Ma-on Category 4 49 km
2003 Choi-wan Category 3 227 km
2002 Higos Category 2 64 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

20 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 81 km
1703 OFF SW BOSO PENINSULA Earthquake 11.7 m 5,233 93 km
1677 OFF SE. BOSO PENINSULA Earthquake 8.0 m 500 119 km
1495 KAMAKURA, SAGAMI BAY, TOKAIDO Earthquake 5.0 m 200 81 km
1732 KUJUKURI BEACH, JAPAN Earthquake 2.0 m 52 km
1670 BOSO, JAPAN Earthquake 2.0 m 64 km
1433 OFF IZU-OSHIMA Earthquake 2.0 m 93 km
1980 HONSHU ISLAND Earthquake 0.6 m 123 km
1923 KASHIMA, JAPAN Earthquake 0.4 m 136 km
1978 TOKAIDO Earthquake 0.4 m 25 117 km
1923 RYUKYU ISLANDS Earthquake 0.3 m 59 km
1896 KASHIMA, JAPAN Earthquake 0.3 m 135 km
1990 JAPAN Earthquake 0.2 m 124 km
1855 TOKAIDO Earthquake 6,757 51 km
1782 ODAWARA, SAGAMI BAY Eruption + Earthquake 65 km
1642 BOSO, JAPAN Earthquake 37 km
1633 SAGAMI BAY Earthquake 150 103 km
1602 BOSO, JAPAN Eruption + Earthquake 41 km
1257 SAGAMI BAY, JAPAN Earthquake 77 km
1241 KAMAKURA, SAGAMI BAY Earthquake 85 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

15 volcanoes within 200 km. Closest: Izu-Oshima (113 km).

Name Type Elevation Last Eruption Distance
Izu-Oshima Stratovolcano 758 m (2,487 ft) 1990 113 km
Hakoneyama Complex 1,438 m (4,718 ft) 2015 118 km
Izu-Tobu Pyroclastic cone(s) 1,406 m (4,613 ft) 1989 124 km
Toshima Stratovolcano 508 m (1,667 ft) -4550 137 km
Fujisan Stratovolcano 3,776 m (12,388 ft) 1708 142 km
Niijima Lava dome(s) 432 m (1,417 ft) 886 148 km
Akagisan Stratovolcano 1,828 m (5,997 ft) Unknown 161 km
Miyakejima Stratovolcano 775 m (2,543 ft) 2010 164 km
Nantaisan Stratovolcano 2,486 m (8,156 ft) -9540 166 km
Omanago Group Lava dome(s) 2,341 m (7,680 ft) -3050 168 km
Kozushima Lava dome(s) 572 m (1,877 ft) 838 170 km
Takaharayama Stratovolcano 1,795 m (5,889 ft) -4570 170 km
Nikko-Shiranesan Shield 2,578 m (8,458 ft) 1952 174 km
Harunasan Stratovolcano 1,449 m (4,754 ft) 550 175 km
Mikurajima Stratovolcano 851 m (2,792 ft) -4100 184 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 41°F (5°C) 2.4 in Coldest
February 41°F (5°C) 3.3 in
March 47°F (8°C) 5.0 in
April 56°F (14°C) 5.2 in
May 64°F (18°C) 5.3 in
June 69°F (21°C) 7.1 in
July 76°F (24°C) 4.8 in
August 79°F (26°C) 5.4 in Warmest
September 73°F (23°C) 8.0 in
October 64°F (18°C) 8.0 in Wettest
November 54°F (12°C) 4.6 in
December 45°F (7°C) 2.4 in Driest

Mobara has a seasonal temperature swing of 38°F / from 41°F in January to 79°F in August. Total annual precipitation is 61.5 inches, with October being the wettest month (8.0") and December the driest (2.4").

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