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Dukono

Complex volcano · Indonesia · 1273m

The isolated volcano of Dukono at the northern end of Halmahera Island, is one of Indonesia's most active. Seen here in June 1991, Dukono has a broad profile and is capped by many compound craters. Dukono has displayed more or less continuous explosive activity since 1933, occasionally accompanied by lava flows.
The isolated volcano of Dukono at the northern end of Halmahera Island, is one of Indonesia's most active. Seen here in June 1991, Dukono has a broad profile and is capped by many compound craters. Dukono has displayed more or less continuous explosive activity since 1933, occasionally accompanied by lava flows. · Photo: Photo by Vivianne Clavel, 1991. · Wikimedia Commons
Type
Complex volcano
Country
Indonesia
Region
Western Pacific / Halmahera Volcanic Arc
Elevation
1273m
Coordinates
1.699, 127.878
Last eruption
2026
Tectonic setting
Subduction zone / Oceanic crust (< 15 km)
Landform
Composite
Major rock type
Andesite / Basaltic Andesite
Geological summary

The Dukono complex in northern Halmahera is on an edifice with a broad, low profile containing multiple peaks and overlapping craters. Almost continuous explosive eruptions, sometimes accompanied by lava flows, have occurred since 1933. During a major eruption in 1550 CE, a lava flow filled in the strait between Halmahera and the Gunung Mamuya cone, 10 km NE. Malupang Wariang, 1 km SW of the summit crater complex, contains a 700 x 570 m crater that has also had reported eruptions.

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
1550~1588 · 1 eruptions · max VEI 31703~1742 · 1 eruptions · max VEI ?1856~1895 · 1 eruptions · max VEI 21895~1933 · 2 eruptions · max VEI 315501627174218181895

Detailed timeline

  1. 1933VEI 3Observed
    1933-08-13 – 2026-03-16
    Malupang Magiwe and Malupang Warirang
  2. 1901VEI 2Observed
    1901-07-02 – Ongoing
  3. 1868VEI 2Observed
    1868-07-02 – Ongoing
  4. 1719 (±150 yrs)VEI ?Observed
    1719 – Ongoing
    East flank of Tolo
  5. 1550VEI 3Observed
    1550-11-20 – Ongoing

External links

⚠ For reference only. Not for emergency response.