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Buka, Papua New Guinea

Full City Profile

7 ft Elevation 2 meters
78°F Avg Temperature 26°C
Buka has a warm climate with an average annual temperature of 78°F (26°C). Winters average 83°F in January while summers reach 77°F in July. The area gets 308 sunny days per year. Annual precipitation totals 102.8 inches. The area receives 0.0 inches of snow annually.

Temperature

83°F Jan (28°C) 77°F Jul (25°C)
Annual Average77.9°F
44% above US avg
January Average83°F (28°C)
July Average77°F (25°C)
Sunny Days308 days/yr

Geography

Elevation7 ft (2 m)
Area316.6 sq mi (820.0 km²)
Population Density0/sq mi
Coordinates-5.4326°N, 154.6710°W
TimezonePacific/Bougainville

Precipitation & Snow

Annual Rainfall 102.8"
170% above US avg
Snowfall 0.0"
Wettest Month (Jul) 14.60"
Driest Month (Dec) 9.40"

Air Quality

Earthquake History

2,535 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.9. Most recent: M4.8 on Aug 26, 2025.

Jan 22, 2017 35 km WNW of Panguna, Papua New Guinea M7.9 106 km
Aug 16, 1995 155 km WNW of Panguna, Papua New Guinea M7.7 68 km
Apr 29, 1996 58 km WSW of Panguna, Papua New Guinea M7.2 126 km
Aug 16, 1995 139 km WNW of Panguna, Papua New Guinea M7.2 52 km
Apr 11, 2014 56 km WSW of Panguna, Papua New Guinea M7.1 135 km
Oct 29, 2000 191 km ESE of Kokopo, Papua New Guinea M7.0 109 km
Oct 16, 2013 62 km WSW of Panguna, Papua New Guinea M6.8 116 km
Jun 23, 2009 190 km ESE of Kokopo, Papua New Guinea M6.7 103 km
Apr 18, 1994 63 km WSW of Panguna, Papua New Guinea M6.7 119 km
Apr 21, 1994 165 km WNW of Panguna, Papua New Guinea M6.7 68 km
Jan 10, 2003 191 km SE of Kokopo, Papua New Guinea M6.7 108 km
Apr 14, 2013 98 km W of Panguna, Papua New Guinea M6.6 116 km
Aug 16, 1995 205 km SE of Kokopo, Papua New Guinea M6.6 99 km
Apr 19, 2014 57 km SW of Panguna, Papua New Guinea M6.6 144 km
May 2, 1996 202 km NNW of Arawa, Papua New Guinea M6.6 100 km
Aug 17, 1995 159 km SE of Kokopo, Papua New Guinea M6.4 139 km
Jan 28, 1999 156 km E of Kokopo, Papua New Guinea M6.4 147 km
Oct 17, 2003 174 km WNW of Panguna, Papua New Guinea M6.4 57 km
Aug 17, 1995 146 km WNW of Panguna, Papua New Guinea M6.4 75 km
Feb 8, 2016 88 km WSW of Panguna, Papua New Guinea M6.4 132 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

9 tsunamis recorded within 500 km. Highest wave on record: 6.0 m (20 ft).

Year Location Cause Max Wave Deaths Distance
1971 SOLOMON SEA Earthquake 6.0 m 3 86 km
1975 SOLOMON SEA Earthquake 2.0 m — 136 km
1949 SOLOMON SEA Earthquake 0.3 m — 75 km
1995 SOLOMON SEA Earthquake 0.3 m — 68 km
1983 NEW BRITAIN Earthquake 0.1 m — 135 km
2017 BOUGAINVILLE ISLAND Earthquake 0.0 m 3 106 km
2009 SOLOMON SEA Earthquake — — 103 km
1923 BISMARCK SEA Earthquake — — 99 km
1919 SOLOMON SEA Earthquake — — 114 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

4 volcanoes within 200 km. Closest: Billy Mitchell (96 km).

Name Type Elevation Last Eruption Distance
Billy Mitchell Pyroclastic shield 1,544 m (5,066 ft) 1580 96 km
Bagana Lava cone 1,855 m (6,086 ft) 2020 98 km
Loloru Pyroclastic shield 1,887 m (6,191 ft) -1050 160 km
Ambitle Stratovolcano 450 m (1,476 ft) -350 188 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 83°F (28°C) 11.2 in Warmest
February 78°F (26°C) 11.1 in
March 78°F (26°C) 13.7 in
April 78°F (26°C) 11.8 in
May 78°F (26°C) 10.1 in
June 77°F (25°C) 10.9 in
July 77°F (25°C) 14.6 in Coldest, Wettest
August 77°F (25°C) 12.6 in
September 77°F (25°C) 11.5 in
October 78°F (25°C) 10.7 in
November 78°F (26°C) 9.6 in
December 79°F (26°C) 9.4 in Driest

Buka has a seasonal temperature swing of 6°F / from 77°F in July to 83°F in January. Total annual precipitation is 137.2 inches, with July being the wettest month (14.6") and December the driest (9.4").

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