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베니아미노프산

Veniaminof

성층화산 · United States · 2507m

A scoria cone on the Veniaminof western summit caldera floor was the source of the dark lava flow that melted through glacial ice. This photo was taken from the SE on 15 June 1984, two months after the eruption ended, and shows the rim of the 8 x 11 km wide caldera in the background. The caldera rim contains Cone Glacier on the west side (to the far left) and is overtopped by glaciers on the south and SE sides.
A scoria cone on the Veniaminof western summit caldera floor was the source of the dark lava flow that melted through glacial ice. This photo was taken from the SE on 15 June 1984, two months after the eruption ended, and shows the rim of the 8 x 11 km wide caldera in the background. The caldera rim contains Cone Glacier on the west side (to the far left) and is overtopped by glaciers on the south and SE sides. · 사진: Photo by Betsy Yount, 1984 (Alaska Volcano Observatory, U.S. Geological Survey). · Wikimedia Commons
화산 유형
성층화산
국가
United States
지역
North America Volcanic Regions / Aleutian Ridge Volcanic Arc
해발
2507m
좌표
56.170, -159.380
마지막 분화
2021년
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Composite
주요 암석
Andesite / Basaltic Andesite
지질학적 요약

Veniaminof, on the Alaska Peninsula, is truncated by a steep-walled, 8 x 11 km, glacier-filled caldera that formed around 3,700 years ago. The caldera rim is up to 520 m high on the north, is deeply notched on the west by Cone Glacier, and is covered by an ice sheet on the south. Post-caldera vents are located along a NW-SE zone bisecting the caldera that extends 55 km from near the Bering Sea coast, across the caldera, and down the Pacific flank. Historical eruptions probably all originated from the westernmost and most prominent of two intra-caldera cones, which rises about 300 m above the surrounding icefield. The other cone is larger, and has a summit crater or caldera that may reach 2.5 km in diameter, but is more subdued and barely rises above the glacier surface.

Wikipedia 요약

영어 요약

Mount Veniaminof is an active stratovolcano on the Alaska Peninsula. The mountain was named after Ioann Veniaminov.

Wikipedia · CC BY-SA · 전체 기사 보기 →

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
1750 BCE~1552 BCE · 1건 · 최고 VEI 61823~2021 · 25건 · 최고 VEI 31750 BCE758 BCE3610291823

상세 타임라인

  1. 2021년VEI 1관측 기록
    2021-02-28 ~ 2021-04-05
  2. 2018년VEI 1관측 기록
    2018-09-04 ~ 2018-12-23
    Intracaldera summit cone and its S flank
  3. 2013년VEI 3관측 기록
    2013-06-13 ~ 2013-10-12
    Western intracaldera cone and SE flank
  4. 2008년VEI 1관측 기록
    2008-02-22 ~ 2008-03-01
    Western intracaldera cone
  5. 2006년VEI 1관측 기록
    2006-03-03 ~ 2006-09-07
    Western intracaldera cone
  6. 2005년VEI 2관측 기록
    2005-01-04 ~ 2005-02-14
    Western intracaldera cone
  7. 2005년VEI 1관측 기록
    2005-09-07 ~ 2005-11-04
    Western intracaldera cone
  8. 2004년VEI 2관측 기록
    2004-02-16 ~ 2004-09-05
    Western intracaldera cone
  9. 2002년VEI 1관측 기록
    2002-09-24 ~ 2003-03-23
    Western intracaldera cone
  10. 1995년VEI 1관측 기록
    1995-04-17 ~ 1995-04-17
    Western intracaldera cone
  11. 1995년VEI 1관측 기록
    1995-11-15 ~ 1995-11-30
    Western intracaldera cone
  12. 1993년VEI 2관측 기록
    1993-07-30 ~ 1994-09-28
    Western cone and Half Cone
  13. 1987년VEI 1관측 기록
    1987-03-19 ~ 1987-03-19
    Western intracaldera cone
  14. 1984년VEI 2관측 기록
    1984-11-29 ~ 1984-12-06
    Western intracaldera cone
  15. 1983년VEI 3관측 기록
    1983-06-02 ~ 1984-04-17
    Western intracaldera cone
  16. 1956년VEI 3관측 기록
    1956-03-16 ~ 1956-05-23
    Western intracaldera cone
  17. 1944년VEI 2관측 기록
    1944-03-28 ~ 진행 중
    Western intracaldera cone
  18. 1939년VEI 3관측 기록
    1939-05-23 ~ 1939-06-26
    Western intracaldera cone
  19. 1939년VEI 2관측 기록
    1939-11 ~ 진행 중
    Western intracaldera cone
  20. 1930년VEI 2관측 기록
    1930-06 ~ 진행 중
    Western intracaldera cone
  21. 1892년VEI 3관측 기록
    1892-08-28 ~ 1892-08-30
    Western intracaldera cone
  22. 1874년VEI 2관측 기록
    1874-07-15 ~ 진행 중
    Western intracaldera cone
  23. 1852년VEI 2지질학적 추정
    1852 ~ 진행 중
    Western intracaldera cone
  24. 1838년VEI 3관측 기록
    1838-08-04 ~ 1839-04
    Western intracaldera cone
  25. 1830년VEI 2지질학적 추정
    1830 ~ 1838
  26. 기원전 1750년VEI 6지질학적 추정
    BCE 1750 ~ 진행 중

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