World Map › St. Andrew Strait
Volcano
St. Andrew Strait
Volcanic complex · 270 m · Papua New Guinea
St. Andrew Strait sits on the North Bismarck Plate, in a subduction zone. 5 eruptions are known since the end of the last ice age, the most recent in 1957.
- Elevation
- 270 m
- Type
- Volcanic complex
- Tectonic Setting
- Subduction zone, oceanic crust
- Dominant Rock
- Rhyolite
- Plate
- North Bismarck Plate
- Country
- Papua New Guinea
- Last Eruption
- 1957
- Known Eruptions (Holocene)
- 5
- Max. Explosivity (VEI)
- 2
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