United States · Stratovolcano
Great Sitkin Volcano
Great Sitkin
- Type
- Stratovolcano
- Elevation
- 1740m
- Last eruption
- 2026

- Type
- Stratovolcano
- Country
- United States
- Region
- North America / Aleutian Ridge Volcanic Arc
- Elevation
- 1740m
- Coordinates
- 52.076, -176.130
- Last eruption
- 2026
- Tectonic setting
- Subduction zone / Intermediate crust (15-25 km)
- Landform
- Composite
- Major rock type
- Andesite / Basaltic andesite
Geological summary
The Great Sitkin volcano forms much of the northern side of Great Sitkin Island.
Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →
Eruption history
16 recordedGlossaryRecord summary
- Confirmed eruptions
- 9
- Uncertain eruptions
- 7
- Span of confirmed record
- 1792 – 2026
- Largest confirmed eruption
- VEI 2 (2021, the most recent of 4)
- Confirmed eruptions since 1900
- 8
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
Detailed timeline
- 2021VEI 2Observed2021-05-25 – 2026-03-25
- 2019VEI 1Observed2019-06-01 – 2019-06-07
- 2018VEI 1Observed2018-06-10 – 2018-08-11Summit crater
- 1987VEI ?Method not stated1987-03-18 – end unknown
- 1974VEI 2Observed1974-02-19 – 1974-09-16
- 1950VEI ?Observed1950-11-05 – 1950-11-29
- 1949VEI 1Observed1949-12-30 – 1950-01-07
- 1946VEI ?Method not stated1946-08-14 – end unknown
- 1945VEI 2Observed1945-03-16 – end unknown
- 1933VEI 2Observed1933-11-16 – end unknown
- 1904VEI ?Method not stated1904-07-02 – end unknown
- 1829VEI ?Method not stated1829-07-02 – end unknown
- 1828VEI ?Method not stated1828-07-02 – end unknown
- 1792VEI ?Observed1792-05-26 – end unknown
- 1784VEI ?Method not stated1784 – end unknown
- 1760VEI ?Method not stated1760 – end unknown
Nearby volcanoes
External links
- Not yet on Wikipedia (English). You can contribute on Wikidata.
- Smithsonian GVP source page
⚠ For reference only. Not for emergency response.