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United States · Stratovolcano

Mount Iliamna

Iliamna

Type
Stratovolcano
Elevation
3053m
Last eruption
1876
Mount Iliamna
Photo: Game McGimsey (U.S. Geological Survey, Alaska Volcano Observatory) · Public domain · Wikimedia Commons
Type
Stratovolcano
Country
United States
Region
North America / Alaska Peninsula Volcanic Arc
Elevation
3053m
Coordinates
60.032, -153.090
Last eruption
1876
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite

Geological summary

Iliamna is a prominent glacier-covered stratovolcano in Lake Clark National Park on the western side of Cook Inlet, about 225 km SW of Anchorage.

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

From Wikipedia

Iliamna Volcano, or Mount Iliamna, is a glacier-covered stratovolcano in the largely volcanic Aleutian Range in southwest Alaska. Located in the Chigmit Mountain subrange in Lake Clark National Park and Preserve, the 10,016-foot (3,053 m) volcano lies approximately 134 miles (215 km) southwest of Anchorage on the west side of lower Cook Inlet. It is the 25th most prominent peak in the United States.

Wikipedia · CC BY-SA · Read full article →

Eruption history

15 recordedGlossary

Record summary

Confirmed eruptions
7
Uncertain eruptions
8
Span of confirmed record
5050 BCE – 1876
Largest confirmed eruption
VEI 4 (2050 BCE, the most recent of 2)
Confirmed eruptions since 1900
0
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
5050 BCE~4817 BCE · 1 eruptions · max VEI 42249 BCE~2015 BCE · 1 eruptions · max VEI 4615 BCE~381 BCE · 1 eruptions · max VEI ?1486~1720 · 1 eruptions · max VEI ?1720~1953 · 11 eruptions · max VEI 35050 BCE3416 BCE1548 BCE861720

Detailed timeline

  1. 1953VEI 2Method not stated
    1953-03-01 – end unknown
  2. 1952VEI ?Method not stated
    1952-07-02 – end unknown
  3. 1947VEI ?Method not stated
    1947-06-16 – end unknown
  4. 1933VEI ?Method not stated
    1933-05-05 – end unknown
  5. 1876VEI 3Observed
    1876-07-02 – end unknown
  6. 1867VEI 2Observed
    1867-07-02 – end unknown
  7. 1843VEI ?Method not stated
    1843-07-02 – end unknown
  8. 1793VEI ?Method not stated
    1793 – end unknown
  9. 1786VEI ?Method not stated
    1786 – end unknown
  10. 1778VEI ?Observed
    1778 – 1779
  11. 1768VEI ?Method not stated
    1768 – end unknown
  12. 1650VEI ?Geological estimate
    1650 – end unknown
  13. 450 BCEVEI ?Geological estimate
    450 BCE – end unknown
  14. 2050 BCEVEI 4Geological estimate
    2050 BCE – end unknown
    Upper NE flank
  15. 5050 BCEVEI 4Geological estimate
    5050 BCE – end unknown

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.