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Insrom, Indonesia

Full City Profile

3,452 Population 1/sq mi density
89 ft Elevation 27 meters
78°F Avg Temperature 26°C
Insrom has a warm climate with an average annual temperature of 78°F (26°C). Winters average 77°F in January while summers reach 78°F in July. The area gets 131 sunny days per year. Annual precipitation totals 112.8 inches. The area receives 0.0 inches of snow annually.

Temperature

77°F Jan (25°C) 78°F Jul (25°C)
Annual Average77.9°F
44% above US avg
January Average77°F (25°C)
July Average78°F (25°C)
Sunny Days131 days/yr

Geography

Elevation89 ft (27 m)
Area3,923.2 sq mi (10,161.1 km²)
Population Density1/sq mi
Coordinates-1.1447°N, 136.0313°W
TimezoneAsia/Jayapura

Precipitation & Snow

Annual Rainfall 112.8"
197% above US avg
Snowfall 0.0"
Wettest Month (Jul) 10.71"
Driest Month (Nov) 7.76"

Air Quality

Earthquake History

701 earthquakes (M2.5+) within 150 km since 1990. Strongest: M8.1. Most recent: M4.6 on Aug 11, 2025.

Feb 17, 1996 1996 Biak, Indonesia Earthquake M8.1 106 km
Jun 16, 2010 121 km SSE of Biak, Indonesia M7.0 128 km
Jun 16, 2010 135 km SSE of Biak, Indonesia M6.6 141 km
Feb 17, 1996 32 km NNE of Biak, Indonesia M6.5 33 km
Feb 17, 1996 67 km NNW of Insrom, Indonesia M6.5 68 km
Feb 18, 1996 46 km ESE of Biak, Indonesia M6.4 53 km
Nov 20, 1994 92 km S of Biak, Indonesia M6.3 96 km
Feb 24, 1996 144 km ENE of Biak, Indonesia M6.2 149 km
Feb 17, 1996 Biak region, Indonesia M6.0 71 km
Feb 18, 1996 70 km NNW of Insrom, Indonesia M5.9 71 km
Feb 17, 1996 76 km E of Biak, Indonesia M5.8 82 km
May 26, 2015 96 km NNW of Insrom, Indonesia M5.8 97 km
May 15, 1996 58 km NNW of Insrom, Indonesia M5.7 58 km
Mar 3, 1996 72 km NE of Biak, Indonesia M5.7 75 km
Mar 22, 1997 112 km ENE of Biak, Indonesia M5.7 117 km
Feb 17, 1996 28 km NNE of Insrom, Indonesia M5.7 28 km
Feb 6, 2004 80 km ESE of Biak, Indonesia M5.6 87 km
Jul 16, 2012 108 km E of Biak, Indonesia M5.6 115 km
Feb 18, 1996 91 km NW of Insrom, Indonesia M5.5 92 km
Mar 8, 1996 86 km E of Biak, Indonesia M5.5 93 km
Source: USGS (M2.5+, 1990–2025)

Tsunami History

5 tsunamis recorded within 500 km. Highest wave on record: 7.7 m (25 ft).

Year Location Cause Max Wave Deaths Distance
1996 IRIAN JAYA Eruption + Earthquake 7.7 m 164 106 km
1864 NW. IRIAN JAYA Earthquake 3.0 m 250 116 km
1979 IRIAN JAYA Earthquake 2.0 m 115 59 km
1957 NW. IRIAN JAYA Earthquake 1.8 m 115 km
1914 NW. IRIAN JAYA Earthquake 0.1 m 127 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 77°F (25°C) 10.1 in Coldest
February 77°F (25°C) 10.0 in
March 78°F (25°C) 10.6 in
April 78°F (26°C) 9.2 in
May 79°F (26°C) 9.7 in Warmest
June 78°F (25°C) 8.6 in
July 78°F (25°C) 10.7 in Wettest
August 78°F (26°C) 9.7 in
September 79°F (26°C) 8.4 in
October 79°F (26°C) 8.4 in
November 78°F (26°C) 7.8 in Driest
December 77°F (25°C) 9.7 in

Insrom has a seasonal temperature swing of 2°F / from 77°F in January to 79°F in May. Total annual precipitation is 112.8 inches, with July being the wettest month (10.7") and November the driest (7.8").

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