Ugashik-Peulik, Stratovolcano in Lake and Peninsula Borough, Alaska.
Ugashik-Peulik is a stratovolcano in Lake and Peninsula Borough featuring a summit crater and a prominent lava dome on its western flank. The volcanic complex covers an extensive area with visible evidence of past explosive activity.
The volcano was active during the 19th century with documented eruptions marking this period. This activity shaped the surrounding landscape and left clear geological traces.
The Alaska Volcano Observatory maintains continuous monitoring of Mount Peulik as part of its mission to protect regional air traffic routes.
The best views of the volcano come from the northern shore of Becharof Lake where the landscape opens toward the south. Reaching this area requires boat or plane access since there are no roads.
The mountain contains deposits from sector collapses covering 75 square kilometers, including block-and-ash flows extending over 40 square kilometers.
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