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Volcán Cerro Negro

Negro, Cerro

Cono piroclástico · Nicaragua · 728 m

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. · Foto: Photo by Britt Hill, 1995 (Southwest Research Institute). · Wikimedia Commons
Tipo
Cono piroclástico
País
Nicaragua
Región
Middle America-Caribbean Volcanic Regions / Central America Volcanic Arc
Altitud
728 m
Coordenadas
12.506, -86.702
Última erupción
1999
Contexto tectónico
Subduction zone / Continental crust (> 25 km)
Forma volcánica
Minor
Roca principal
Basalt / Picro-Basalt
Resumen geológico

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.

Resumen de Wikipedia

Cerro Negro es un volcán ubicado en el departamento de León, Nicaragua, a 25 kilómetros al este de la cabecera departamental del mismo nombre y tiene 726 metros de altitud, pertenece a la Sierra de los Marrabios. Su nombre proviene del color que le da la arena negra volcánica en sus laderas; y surgió hace un siglo y medio al ras de la llanura.

Wikipedia · CC BY-SA · Leer artículo completo →

Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
1850~1865 · 1 erupciones · VEI máx. 21865~1880 · 1 erupciones · VEI máx. 21895~1910 · 1 erupciones · VEI máx. 21910~1925 · 3 erupciones · VEI máx. 31925~1939 · 1 erupciones · VEI máx. 21939~1954 · 5 erupciones · VEI máx. 31954~1969 · 8 erupciones · VEI máx. 31969~1984 · 1 erupciones · VEI máx. 31984~1999 · 3 erupciones · VEI máx. 318501880192519541984

Línea de tiempo detallada

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

Enlaces externos

⚠ Solo como referencia. No apto para respuesta ante emergencias.