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Mount Iliamna topographic map
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Mount Iliamna
Holocene eruptive activity from Iliamna is little known, but radiocarbon dating seems to indicate at least a few eruptions, all before the European settlement of Alaska. Prehistoric eruptions have been dated to 5050 and 2050 BCE (VEI-4), 450 BCE and 1650. Historically observed eruptions took place in 1867 (VEI-2) and 1876 (VEI-3), with unconfirmed eruptions in 1933, 1947, 1952 and 1953. Fumaroles located at about 8,990 feet (2,740 m) elevation on the eastern flank produce nearly constant plumes of steam and minor amounts of sulfurous gases. These plumes are quite vigorous and have resulted in numerous pilot reports and early historical accounts of "eruptions" at Iliamna Volcano. Earthquake swarms and elevated seismicity and gas emissions were reported in 1996-97 and 2011–13. Iliamna was ranked as a high-threat volcano by the U.S. Geological Survey in 2005 and 2018. The 2018 assessment ranked Iliamna as the 20th most hazardous volcano in the United States, up from 22nd, with an aviation threat score of 34 and an overall score of 115, the second highest of the "high threat" category.
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About this map
Name: Mount Iliamna topographic map, elevation, terrain.
Average elevation: 2,360 m
Minimum elevation: 1,812 m
Maximum elevation: 3,052 m
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Homer
United States > Alaska > Kenai Peninsula Borough
Some birds seen during the spring migration and the festival include horned puffins, sandhill cranes, and arctic terns. Arctic Terns are famous for flying the longest distance of any migrating bird. Many of the birds seen during the festival can be identified with the help of published guides that categorize…
Average elevation: 105 m
Homer
United States > Alaska > Kenai Peninsula Borough
Some birds seen during the spring migration and the festival include horned puffins, sandhill cranes, and arctic terns. Arctic Terns are famous for flying the longest distance of any migrating bird. Many of the birds seen during the festival can be identified with the help of published guides that categorize…
Average elevation: 105 m
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Homer
United States > Alaska > Kenai Peninsula Borough
Some birds seen during the spring migration and the festival include horned puffins, sandhill cranes, and arctic terns. Arctic Terns are famous for flying the longest distance of any migrating bird. Many of the birds seen during the festival can be identified with the help of published guides that categorize…
Average elevation: 105 m
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As an Amazon Associate, this site earns from qualifying purchases at no extra cost to you.