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세로네그로산

Negro, Cerro

화쇄구 · Nicaragua · 728m

Cerro Negro, the largest and youngest of a group of four cinder cones that were constructed along a N-S line, is Central America's youngest volcano. Since its formation in 1850, Cerro Negro has produced frequent explosive eruptions, building a 250-m-high cinder cone surrounded by a fresh lava field. This 1995 photo from the southernmost of the older cones to the NNE shows flow levees and lava flows at the left side of Cerro Negro that were produced during the 1995 eruption. The vegetated peak in the background is part of the Las Pilas complex.
Cerro Negro, the largest and youngest of a group of four cinder cones that were constructed along a N-S line, is Central America's youngest volcano. Since its formation in 1850, Cerro Negro has produced frequent explosive eruptions, building a 250-m-high cinder cone surrounded by a fresh lava field. This 1995 photo from the southernmost of the older cones to the NNE shows flow levees and lava flows at the left side of Cerro Negro that were produced during the 1995 eruption. The vegetated peak in the background is part of the Las Pilas complex. · 사진: Photo by Britt Hill, 1995 (Southwest Research Institute). · Wikimedia Commons
화산 유형
화쇄구
국가
Nicaragua
지역
중앙아메리카·카리브해 / Central America Volcanic Arc
해발
728m
좌표
12.506, -86.702
마지막 분화
1999년
판구조 환경
Subduction zone / Continental crust (> 25 km)
화산 지형
Minor
주요 암석
Basalt / Picro-Basalt
지질학적 요약

Nicaragua's youngest volcano, Cerro Negro, was created following an eruption that began in April 1850 about 2 km NW of the summit of Las Pilas volcano. It is the largest, southernmost, and most recent of a group of four youthful cinder cones constructed along a NNW-SSE-trending line in the central Marrabios Range. Strombolian-to-subplinian eruptions at intervals of a few years to several decades have constructed a roughly 250-m-high basaltic cone and an associated lava field constrained by topography to extend primarily NE and SW. Cone and crater morphology have varied significantly during its short eruptive history. Although it lies in a relatively unpopulated area, occasional heavy ashfalls have damaged crops and buildings.

Wikipedia 요약

영어 요약

Cerro Negro is an active volcano in the Cordillera de los Maribios mountain range in Nicaragua, about 10 km (6.2 mi) from the village of Malpaisillo. It is a very new volcano, the youngest in Central America, having first appeared in April 1850. It consists of a gravelly basaltic cinder cone, which contrasts greatly with the surrounding verdant hillsides, and gives rise to its name, which means Black Hill. Cerro Negro has erupted frequently since its first eruption. One unusual aspect of several eruptions has been the emission of ash from the top of the cone, while lava erupts from fractures at the base.

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분화 이력

요약 (VEI 시계열)
막대를 클릭하면 개별 분화가 표시됩니다
1850~1865 · 1건 · 최고 VEI 21865~1880 · 1건 · 최고 VEI 21895~1910 · 1건 · 최고 VEI 21910~1925 · 3건 · 최고 VEI 31925~1939 · 1건 · 최고 VEI 21939~1954 · 5건 · 최고 VEI 31954~1969 · 8건 · 최고 VEI 31969~1984 · 1건 · 최고 VEI 31984~1999 · 3건 · 최고 VEI 318501880192519541984

상세 타임라인

  1. 1999년VEI 2관측 기록
    1999-08-05 ~ 1999-08-07
    South flank (near Cristo Rey crater)
  2. 1995년VEI 2관측 기록
    1995-05-29 ~ 1995-12-06
  3. 1992년VEI 3관측 기록
    1992-04-09 ~ 1992-04-14
  4. 1971년VEI 3관측 기록
    1971-02-03 ~ 1971-02-14
    Summit and east flank
  5. 1969년VEI 1관측 기록
    1969-12-19 ~ 1969-12-29
  6. 1968년VEI 3관측 기록
    1968-10-23 ~ 1968-12-10
    Summit and south flank
  7. 1964년VEI 2지질학적 추정
    1964-07-02 ~ 진행 중
  8. 1963년VEI 1관측 기록
    1963-03-16 ~ 진행 중
  9. 1962년VEI 2관측 기록
    1962-03-21 ~ 1962-04-16
  10. 1961년VEI 1관측 기록
    1961-10-25 ~ 진행 중
    NE-flank fissure
  11. 1960년VEI 3관측 기록
    1960-09-28 ~ 1960-12-26
    Summit and south flank
  12. 1957년VEI 2관측 기록
    1957-09-04 ~ 1957-09-24
    Summit and east flank
  13. 1954년VEI 2관측 기록
    1954-02-16 ~ 1954-02-16
  14. 1950년VEI 3관측 기록
    1950-11-21 ~ 1950-12-17
  15. 1949년VEI 2관측 기록
    1949-06-16 ~ 1949-06-16
  16. 1948년VEI 2관측 기록
    1948-03-31 ~ 진행 중
  17. 1947년VEI 3관측 기록
    1947-07-09 ~ 1947-08-02
    Summit and NE flank
  18. 1929년VEI 2관측 기록
    1929-02-10 ~ 1929-03-16
  19. 1923년VEI 3관측 기록
    1923-10-23 ~ 1923-12-11
    Summit and upper north flank
  20. 1919년VEI 2관측 기록
    1919-06-20 ~ 1919-06-30
  21. 1914년VEI 2관측 기록
    1914-10-28 ~ 1914-11-03
  22. 1899년VEI 2관측 기록
    1899-11-22 ~ 1899-11-29
  23. 1867년VEI 2관측 기록
    1867-11-14 ~ 1867-11-30
    NE-SW-trending fissure
  24. 1850년VEI 2관측 기록
    1850-04-13 ~ 1850-05-27

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