World Map › Bagana
Volcano
Bagana
Lava cone · 1,855 m · Papua New Guinea
Bagana sits on the Pacific Plate, in a subduction zone. 26 eruptions are known since the end of the last ice age, the most recent in 2026.
- Elevation
- 1,855 m
- Type
- Lava cone
- Tectonic Setting
- Subduction zone
- Dominant Rock
- Andesite / Basaltic Andesite
- Plate
- Pacific Plate
- Country
- Papua New Guinea
- Last Eruption
- 2026
- Known Eruptions (Holocene)
- 26
- Max. Explosivity (VEI)
- 4
Nearby Cities
Cities of more than 20,000 people within 100 km.
- 42 kmArawa40,000 people
Notable Eruptions
Eruptions that caused deaths or damage, or with an explosivity index of 4 and above (NOAA).
- 20232023 Eruption · VEI 2
- 18831883 Eruption · VEI 3
Eruption Timeline
Each bar is an eruption; its height shows its explosivity (VEI 0 to 8).
Eruption Uncertain Date
Sources : Global Volcanism Program, 2026. Volcanoes of the World (v. 5.4.0; 7 Aug 2026), Smithsonian Institution, doi:10.5479/si.GVP.VOTW5-2026.5.4 (volcano.si.edu) · NOAA NCEI · USGS · Wikidata