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우비나스산

Ubinas

성층화산 · Peru · 5608m

Volcán Ubinas, seen here from the west, is Perú's most active volcano. A small, 1.2-km-wide caldera that cuts the top of Ubinas gives it a truncated appearance. The upper slopes of the stratovolcano steepen to nearly 45 degrees. The steep-walled, 150-m-deep caldera contains an ash cone with a 500-m-wide funnel-shaped vent that is 200-m deep. Holocene lava flows are visible on the volcano's flanks, but historical activity, documented since the 16th century, has consisted of intermittent minor explosive eruptions.
Volcán Ubinas, seen here from the west, is Perú's most active volcano. A small, 1.2-km-wide caldera that cuts the top of Ubinas gives it a truncated appearance. The upper slopes of the stratovolcano steepen to nearly 45 degrees. The steep-walled, 150-m-deep caldera contains an ash cone with a 500-m-wide funnel-shaped vent that is 200-m deep. Holocene lava flows are visible on the volcano's flanks, but historical activity, documented since the 16th century, has consisted of intermittent minor explosive eruptions. · 사진: Photo by Norm Banks, 1988 (U.S. Geological Survey). · Wikimedia Commons
화산 유형
성층화산
국가
Peru
지역
남아메리카 / Central Andean Volcanic Arc
해발
5608m
좌표
-16.345, -70.897
마지막 분화
2024년
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Composite
주요 암석
Andesite / Basaltic Andesite
지질학적 요약

The truncated appearance of Ubinas, Perú's most active volcano, is a result of a 1.4-km-wide crater at the summit. It is the northernmost of three young volcanoes located along a regional structural lineament about 50 km behind the main volcanic front. The growth and destruction of Ubinas I was followed by construction of Ubinas II beginning in the mid-Pleistocene. The upper slopes of the andesitic-to-rhyolitic Ubinas II stratovolcano are composed primarily of andesitic and trachyandesitic lava flows and steepen to nearly 45°. The steep-walled, 150-m-deep summit crater contains an ash cone with a 500-m-wide funnel-shaped vent that is 200 m deep. Debris-avalanche deposits from the collapse of the SE flank about 3,700 years ago extend 10 km from the volcano. Widespread Plinian pumice-fall deposits include one from about 1,000 years ago. Holocene lava flows are visible on the flanks, but activity documented since the 16th century has consisted of intermittent minor-to-moderate explosive eruptions.

Wikipedia 요약

영어 요약

Ubinas is an active stratovolcano in the Moquegua Region of southern Peru, approximately 60 kilometres (37 mi) east of the city of Arequipa. Part of the Central Volcanic Zone of the Andes, it rises 5,672 metres (18,609 ft) above sea level. The volcano's summit is cut by a 1.4-kilometre-wide (0.87 mi) and 150-metre-deep (490 ft) caldera, which itself contains a smaller crater. Below the summit, Ubinas has the shape of an upwards-steepening cone with a prominent notch on the southern side. The gently sloping lower part of the volcano is also known as Ubinas I and the steeper upper part as Ubinas II; they represent different stages in the volcano's geological history.

Wikipedia · CC BY-SA · 전체 기사 보기 →

분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
8560 BCE~8207 BCE · 1건 · 최고 VEI ?7149 BCE~6796 BCE · 1건 · 최고 VEI ?966~1318 · 1건 · 최고 VEI 51318~1671 · 4건 · 최고 VEI 31671~2024 · 21건 · 최고 VEI 38560 BCE6090 BCE3268 BCE798 BCE1671

상세 타임라인

  1. 2024년VEI 2관측 기록
    2024-05-06 ~ 2024-06-11
  2. 2023년VEI 3관측 기록
    2023-06-22 ~ 2023-12-15
  3. 2019년VEI 2관측 기록
    2019-06-24 ~ 2019-09-12
  4. 2016년VEI 2관측 기록
    2016-09-13 ~ 2017-03-02
    Summit crater
  5. 2013년VEI 2관측 기록
    2013-09-01 ~ 2016-02-27
    Summit crater
  6. 2010년VEI 1관측 기록
    2010-07-18 ~ 2010-07-18
  7. 2006년VEI 2관측 기록
    2006-03-25 ~ 2009-07-04
  8. 1969년VEI 2관측 기록
    1969-06-16 ~ 진행 중
  9. 1956년VEI 2관측 기록
    1956-05-16 ~ 1956-10-21
  10. 1951년VEI 2관측 기록
    1951-07-23 ~ 진행 중
  11. 1937년VEI 2관측 기록
    1937-06-16 ~ 진행 중
  12. 1907년VEI 2관측 기록
    1907-07-02 ~ 진행 중
  13. 1906년VEI 2관측 기록
    1906-10-16 ~ 진행 중
  14. 1869년VEI 2관측 기록
    1869-10-16 ~ 진행 중
  15. 1867년VEI 2관측 기록
    1867-05-24 ~ 1867-05-28
  16. 1865년VEI 2관측 기록
    1865-07-02 ~ 진행 중
  17. 1862년VEI 2관측 기록
    1862-07-02 ~ 진행 중
  18. 1830년VEI 2관측 기록
    1830-07-02 ~ 진행 중
  19. 1826년VEI ?지질학적 추정
    1826-07-02 ~ 진행 중
  20. 1784년VEI 2관측 기록
    1784 ~ 진행 중
  21. 1677년VEI 3관측 기록
    1677 ~ 진행 중
  22. 1667년VEI 3관측 기록
    1667 ~ 진행 중
  23. 1662년VEI 3관측 기록
    1662 ~ 진행 중
  24. 1600년VEI 2지질학적 추정
    1600 ~ 진행 중
  25. 1550년 (±50년)VEI 3관측 기록
    1550 ~ 진행 중
  26. 1082년 (±82년)VEI 5지질학적 추정
    1082 ~ 진행 중
  27. 기원전 6850년 (±150년)VEI ?지질학적 추정
    BCE 6850 ~ 진행 중
  28. 기원전 8560년 (±300년)VEI ?지질학적 추정
    BCE 8560 ~ 진행 중

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