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Onan Ganjang Satu, Indonesia

Full City Profile

3,793 ft Elevation 1,156 meters
72°F Avg Temperature 22°C
Onan Ganjang Satu has a warm climate with an average annual temperature of 72°F (22°C). Winters average 77°F in January while summers reach 72°F in July. The area gets 312 sunny days per year. Annual precipitation totals 135.3 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 72°F Jul (22°C)
Annual Average72.1°F
34% above US avg
January Average77°F (25°C)
July Average72°F (22°C)
Sunny Days312 days/yr

Geography

Elevation3,793 ft (1,156 m)
Area7.5 sq mi (19.5 km²)
Population Density0/sq mi
Coordinates2.1589°N, 98.6304°W
TimezoneAsia/Jakarta

Precipitation & Snow

Annual Rainfall 135.3"
256% above US avg
Snowfall 0.0"
Wettest Month (Oct) 11.40"
Driest Month (Jul) 4.50"

Air Quality

Earthquake History

589 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.7. Most recent: M5.0 on Aug 7, 2025.

Sep 5, 2011 68 km WSW of Kabanjahe, Indonesia M6.7 121 km
Apr 16, 2005 54 km SSW of Singkil, Indonesia M6.4 114 km
Apr 3, 2005 33 km SSE of Singkil, Indonesia M6.3 78 km
Apr 3, 2023 77 km SW of Padangsidempuan, Indonesia M6.1 149 km
Jun 23, 2012 66 km W of Kabanjahe, Indonesia M6.1 125 km
Jan 15, 2023 40 km SE of Singkil, Indonesia M6.1 73 km
May 19, 2008 31 km NNW of Padangsidempuan, Indonesia M6.0 81 km
May 1, 2014 41 km SSE of Singkil, Indonesia M5.9 77 km
Mar 7, 2007 39 km SSE of Singkil, Indonesia M5.9 83 km
May 8, 2015 83 km S of Singkil, Indonesia M5.7 106 km
Jun 14, 2011 38 km ENE of Sibolga, Indonesia M5.6 64 km
Apr 4, 2005 76 km S of Singkil, Indonesia M5.6 104 km
Jan 16, 2017 14 km NNW of Berastagi, Indonesia M5.6 130 km
Mar 29, 2005 44 km N of Padangsidempuan, Indonesia M5.5 77 km
May 12, 2003 47 km WSW of Padangsidempuan, Indonesia M5.5 117 km
Jun 14, 2011 50 km N of Padangsidempuan, Indonesia M5.5 76 km
Feb 26, 1995 110 km S of Singkil, Indonesia M5.4 127 km
May 3, 2014 46 km SSE of Singkil, Indonesia M5.4 90 km
Oct 29, 2012 105 km SSW of Sibolga, Indonesia M5.4 145 km
Mar 17, 2025 41 km ENE of Sibolga, Indonesia M5.4 64 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

2 tsunamis recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1892 NORTHEAST SUMATRA Earthquake 104 km
1843 SW. SUMATRA Earthquake 101 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

6 volcanoes within 200 km. Closest: Toba (52 km).

Name Type Elevation Last Eruption Distance
Toba Caldera 2,157 m (7,077 ft) Unknown 52 km
Sibualbuali Stratovolcano 1,819 m (5,968 ft) Unknown 97 km
Lubukraya Stratovolcano 1,862 m (6,109 ft) Unknown 99 km
Sinabung Stratovolcano 2,460 m (8,071 ft) 2019 116 km
Singkut Caldera(s) 2,181 m (7,156 ft) 1881 122 km
Sorikmarapi Stratovolcano 2,145 m (7,037 ft) 1986 192 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 8.6 in Warmest
February 72°F (22°C) 6.8 in
March 73°F (23°C) 9.5 in
April 73°F (23°C) 10.2 in
May 73°F (23°C) 7.4 in
June 73°F (23°C) 4.8 in
July 72°F (22°C) 4.5 in Driest
August 72°F (22°C) 5.9 in
September 72°F (22°C) 8.6 in Coldest
October 72°F (22°C) 11.4 in Wettest
November 72°F (22°C) 11.4 in
December 72°F (22°C) 10.4 in

Onan Ganjang Satu has a seasonal temperature swing of 5°F / from 72°F in September to 77°F in January. Total annual precipitation is 99.5 inches, with October being the wettest month (11.4") and July the driest (4.5").

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