World Map › Montagu Island
Volcano
Montagu Island
Shield volcano · 1,370 m · South Georgia and the South Sandwich Islands
Montagu Island sits on the Sandwich Plate, in a subduction zone. 2 eruptions are known since the end of the last ice age, the most recent in 2007.
- Elevation
- 1,370 m
- Type
- Shield volcano
- Tectonic Setting
- Subduction zone, oceanic crust
- Dominant Rock
- Basalt / Picro-Basalt
- Plate
- Sandwich Plate
- Country
- South Georgia and the South Sandwich Islands
- Last Eruption
- 2007
- Known Eruptions (Holocene)
- 2
- Max. Explosivity (VEI)
- 1
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