World Map › Hunga Tonga–Hunga Haʻapai
Volcano
Hunga Tonga–Hunga Haʻapai
Caldera · 114 m · Tonga
Hunga Tonga–Hunga Haʻapai sits on the Tonga Plate, in a subduction zone. 7 eruptions are known since the end of the last ice age, the most recent in 2022. Its major eruptions caused at least 6 deaths.
- Elevation
- 114 m
- Type
- Caldera
- Tectonic Setting
- Subduction zone, oceanic crust
- Dominant Rock
- Andesite / Basaltic Andesite
- Plate
- Tonga Plate
- Country
- Tonga
- Last Eruption
- 2022
- Known Eruptions (Holocene)
- 7
- Max. Explosivity (VEI)
- 5
- Known Fatalities
- 6
Nearby Cities
Cities of more than 20,000 people within 100 km.
- 67 kmNuku'alofa43,000 people
Eruption Timeline
Each bar is an eruption; its height shows its explosivity (VEI 0 to 8).
Eruption Deadly Eruption (NOAA) 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