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Volcán Cerro Machín

Machin

성층화산 · Colombia · 2749m

Two central lava domes of Cerro Machín volcano are seen here from the SW. A 3-km-wide caldera, whose rim is the horizontal change in slope across the center of the photo, opens towards the south. Late-Holocene eruptions produced block-and-ash flows that traveled to the west and south, beyond the caldera. Deposits from some of these eruptions form the eroded slopes in the lower part of the photo along the valley of the Toche River.
Two central lava domes of Cerro Machín volcano are seen here from the SW. A 3-km-wide caldera, whose rim is the horizontal change in slope across the center of the photo, opens towards the south. Late-Holocene eruptions produced block-and-ash flows that traveled to the west and south, beyond the caldera. Deposits from some of these eruptions form the eroded slopes in the lower part of the photo along the valley of the Toche River. · 사진: Photo by José Macías, 1996 (Universidad Autómona de México). · Wikimedia Commons
화산 유형
성층화산
국가
Colombia
지역
South America Volcanic Regions / Northern Andean Volcanic Arc
해발
2749m
좌표
4.487, -75.389
마지막 분화
1180년
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Composite
주요 암석
Dacite
지질학적 요약

The small Cerro Machín stratovolcano lies at the southern end of the Ruiz-Tolima massif about 20 km WNW of the city of Ibagué. A 3-km-wide caldera is breached to the south and contains three forested dacitic lava domes. Voluminous pyroclastic flows traveled up to 40 km away during eruptions in the mid-to-late Holocene, perhaps associated with formation of the caldera. Late-Holocene eruptions produced dacitic block-and-ash flows that traveled through the breach in the caldera rim to the west and south. The latest known eruption of took place about 800 years ago.

Wikipedia 요약

영어 요약

Cerro Machín is a stratovolcano located in Tolima Department, Colombia. Considered the most dangerous active volcano of Colombia, Cerro Machin is a volcanic plug that is approximately the same age as the Ruiz-Tolima Massif and has the appearance of being part of that volcanic system.

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분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
3800 BCE~3601 BCE · 1건 · 최고 VEI ?2804 BCE~2605 BCE · 1건 · 최고 VEI ?2406 BCE~2206 BCE · 1건 · 최고 VEI ?2206 BCE~2007 BCE · 1건 · 최고 VEI ?812 BCE~613 BCE · 1건 · 최고 VEI ?582~782 · 1건 · 최고 VEI ?981~1180 · 1건 · 최고 VEI ?3800 BCE2605 BCE1410 BCE214 BCE981

상세 타임라인

  1. 1180년 (±150년)VEI ?지질학적 추정
    1180 ~ 진행 중
  2. 750년VEI ?지질학적 추정
    750 ~ 진행 중
  3. 기원전 650년VEI ?지질학적 추정
    BCE 650 ~ 진행 중
  4. 기원전 2100년 (±200년)VEI ?지질학적 추정
    BCE 2100 ~ 진행 중
  5. 기원전 2240년 (±300년)VEI ?지질학적 추정
    BCE 2240 ~ 진행 중
  6. 기원전 2650년VEI ?지질학적 추정
    BCE 2650 ~ 진행 중
  7. 기원전 3800년 (±150년)VEI ?지질학적 추정
    BCE 3800 ~ 진행 중

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