Skip to main content
Back to map
CompareShow on map

United States · Stratovolcano

Makushin Volcano

Makushin

Type
Stratovolcano
Elevation
1800m
Last eruption
1995
Makushin Volcano
Photo: Piergiuliano Chesi · CC BY 3.0 · Wikimedia Commons
Type
Stratovolcano
Country
United States
Region
North America / Aleutian Ridge Volcanic Arc
Elevation
1800m
Coordinates
53.891, -166.923
Last eruption
1995
Tectonic setting
Subduction zone / Intermediate crust (15-25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

The ice-covered Makushin volcano on northern Unalaska Island is capped by a 2.5 km caldera. Its broad, dome-like structure contrasts with the steep-sided profiles of most other Aleutian stratovolcanoes.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

From Wikipedia

The Makushin Volcano is an ice-covered stratovolcano located on Unalaska Island in the Aleutian Islands of the U.S. state of Alaska. With an elevation of 2,036 meters (6,680 ft), its summit is the highest point on the island. Makushin is one of the most active among the 52 historically active volcanoes of Alaska. It has erupted at least two dozen times over the past several thousand years, with the last eruption occurring in 1995.

Wikipedia · CC BY-SA · Read full article →

Eruption history

27 recordedGlossary

Record summary

Confirmed eruptions
19
Uncertain eruptions
8
Span of confirmed record
6650 BCE (±200 yrs) – 1995
Largest confirmed eruption
VEI 5 (6100 BCE)
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
6650 BCE~6362 BCE · 1 eruptions · max VEI ?6362 BCE~6074 BCE · 1 eruptions · max VEI 53768 BCE~3480 BCE · 1 eruptions · max VEI 41751 BCE~1463 BCE · 1 eruptions · max VEI ?598 BCE~310 BCE · 1 eruptions · max VEI ?1131~1419 · 1 eruptions · max VEI ?1707~1995 · 21 eruptions · max VEI 36650 BCE4633 BCE2327 BCE310 BCE1707

Detailed timeline

  1. 1995VEI 1Observed
    1995-01-30 – 1995-01-30
  2. 1993VEI 1Observed
    1993-08-16 – 1994-01-19
  3. 1987VEI 1Observed
    1987-03-02 – 1987-03-02
  4. 1980VEI 1Observed
    1980-05-01 – 1980-07-04
    SE side of summit
  5. 1952VEI ?Method not stated
    1952-07-02 – end unknown
  6. 1951VEI 1Observed
    1951-12-20 – end unknown
  7. 1938VEI 2Observed
    1938-10-16 – end unknown
  8. 1926VEI 2Observed
    1926-12-30 – end unknown
  9. 1912VEI ?Method not stated
    1912-07-02 – end unknown
  10. 1907VEI ?Observed
    1907-07-02 – end unknown
  11. 1883VEI 2Observed
    1883-07-02 – end unknown
  12. 1867VEI ?Method not stated
    1867-07-02 – end unknown
  13. 1865VEI ?Observed
    1865-07-02 – end unknown
  14. 1844 (±1 yrs)VEI ?Method not stated
    1844-07-02 – end unknown
  15. 1827VEI 2Method not stated
    1827-07-02 – 1838-07-02
  16. 1826VEI 3Observed
    1826-06-16 – end unknown
  17. 1818VEI ?Method not stated
    1818-07-02 – end unknown
  18. 1802VEI 3Observed
    1802-07-02 – end unknown
  19. 1792VEI ?Method not stated
    1792-02-14 – end unknown
  20. 1790VEI ?Method not stated
    1790-06-07 – end unknown
  21. 1768VEI 3Observed
    1768 – 1769
  22. 1150 (±500 yrs)VEI ?Geological estimate
    1150 – end unknown
  23. 550 BCE (±900 yrs)VEI ?Geological estimate
    550 BCE – end unknown
  24. 1750 BCEVEI ?Geological estimate
    1750 BCE – end unknown
  25. 3650 BCE (±1850 yrs)VEI 4Geological estimate
    3650 BCE – end unknown
  26. 6100 BCE (±50 yrs)VEI 5Geological estimate
    6100 BCE – end unknown
  27. 6650 BCE (±200 yrs)VEI ?Geological estimate
    6650 BCE – end unknown

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.