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Black Peak is a highly eroded stratovolcano comprising a lava dome complex on the Alaska Peninsula of the U.S. state of Alaska.[3] Also called Purple Crater,[4] Black Volcano or Sopka Chornaia, the mountain is located within the Lake and Peninsula Borough.[2]
The latest eruption from Black Peak less than 4,000 years ago produced an explosive VEI-6 eruption that created a caldera. Ash flow tuffs and block and ash flow deposits from this explosive eruption traveled down the Ash Creek and Bluff Creek valleys that reach depths of 100 m (328 ft).
References
- ^ Chignik C-3 quadrangle, Alaska (Map). 1:24000. 7.5 Minute Topographic. USGS.
- ^ a b "Black Peak". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Black Peak". Global Volcanism Program. Smithsonian Institution.
- ^ Moxham, R. M. (1952). Pumice deposits in the Alaska Peninsula-Cook Inlet region (Report). U.S. Geological Survey.
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