Black Peak (Alaska)
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 Black Volcano or Sopka Chornaia, the mountain is located within the Lake and Peninsula Borough.[2]
Black Peak | |
---|---|
Highest point | |
Elevation | 3,385 ft (1,032 m) NGVD 29[1] |
Listing | List of volcanoes in the United States |
Coordinates | 56°33′11″N 158°47′12″W [2] |
Geography | |
Location | Alaska Peninsula, Alaska, United States |
Topo map | USGS Chignik C-3 |
Geology | |
Mountain type | Stratovolcano |
Volcanic arc | Aleutian Arc |
Last eruption | 1900 BCE ± 150 years |
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.
- "Black Peak". Geographic Names Information System. United States Geological Survey.
- "Black Peak". Global Volcanism Program. Smithsonian Institution.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.