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Volcán de Pacaya

Pacaya

Volcán complejo · Guatemala · 2569 m

The Volcán de Pacaya massif rises above the capital city of Guatemala, located only 30 km to the north. The rounded, forested lava dome of Cerro Grande forms the high point at the left. The next highest peak to the right is the historically active vent of Pacaya, with the right-hand summit being the MacKenney cone, which has been active since 1965. Eruptions of Pacaya are often visible from Guatemala City.
The Volcán de Pacaya massif rises above the capital city of Guatemala, located only 30 km to the north. The rounded, forested lava dome of Cerro Grande forms the high point at the left. The next highest peak to the right is the historically active vent of Pacaya, with the right-hand summit being the MacKenney cone, which has been active since 1965. Eruptions of Pacaya are often visible from Guatemala City. · Foto: Photo by Bill Rose, 1989 (Michigan Technological University). · Wikimedia Commons
Tipo
Volcán complejo
País
Guatemala
Región
Middle America-Caribbean Volcanic Regions / Central America Volcanic Arc
Altitud
2569 m
Coordenadas
14.382, -90.601
Última erupción
2021
Contexto tectónico
Subduction zone / Continental crust (> 25 km)
Forma volcánica
Composite
Roca principal
Basalt / Picro-Basalt
Resumen geológico

Eruptions from Pacaya are frequently visible from Guatemala City, the nation's capital. This complex basaltic volcano was constructed just outside the southern topographic rim of the 14 x 16 km Pleistocene Amatitlán caldera. A cluster of dacitic lava domes occupies the southern caldera floor. The post-caldera Pacaya massif includes the older Pacaya Viejo and Cerro Grande stratovolcanoes and the currently active Mackenney stratovolcano. Collapse of Pacaya Viejo between 600 and 1,500 years ago produced a debris-avalanche deposit that extends 25 km onto the Pacific coastal plain and left an arcuate scarp inside which the modern Pacaya volcano (Mackenney cone) grew. The NW-flank Cerro Chino crater was last active in the 19th century. During the past several decades, activity has consisted of frequent Strombolian eruptions with intermittent lava flow extrusion that has partially filled in the caldera moat and covered the flanks of Mackenney cone, punctuated by occasional larger explosive eruptions that partially destroy the summit.

Resumen de Wikipedia

El Volcán de Pacaya es un volcán activo ubicado en el municipio de Amatitlán en el departamento de Guatemala y en el municipio de San Vicente Pacaya en el departamento de Escuintla, en Guatemala.

Wikipedia · CC BY-SA · Leer artículo completo →

Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
400~562 · 1 erupciones · VEI máx. 2723~885 · 1 erupciones · VEI máx. 31046~1208 · 1 erupciones · VEI máx. 31208~1369 · 1 erupciones · VEI máx. 31531~1692 · 12 erupciones · VEI máx. 31692~1854 · 8 erupciones · VEI máx. 31854~2015 · 12 erupciones · VEI máx. 3400723120815311854

Línea de tiempo detallada

  1. 2015VEI 1Observado
    2015-06-07 – 2021-08-13
    MacKenney Crater
  2. 2014VEI 1Observado
    2014-08-25 – 2015-02-17
    MacKenney Crater
  3. 2013VEI 2Observado
    2013-03-05 – 2014-04-10
    MacKenney Crater
  4. 2006VEI 3Observado
    2006-03-09 – 2010-10-26
    MacKenney Cone
  5. 2004VEI 3Observado
    2004-07-19 – 2005-09-11
    MacKenney Cone and lower S flank
  6. 2002VEI 1Observado
    2002-05-30 – 2002-06-17
    MacKenney Crater
  7. 2001VEI 1Observado
    2001-10-31 – 2001-10-31
    MacKenney Crater
  8. 2000VEI 1Observado
    2000-08-16 – 2001-07-05
    MacKenney Crater
  9. 1990VEI 3Observado
    1990-01-04 – 2000-03-01
    MacKenney Crater and flank vents
  10. 1965VEI 3Observado
    1965-07-04 – 1989-03-10
    MacKenney Crater and flank vents
  11. 1961VEI 2Observado
    1961-03-11 – 1961-04-15
    Cachajinas vent (South flank, 1860 m)
  12. 1885VEI 2Observado
    1885-12 – En curso
  13. 1846VEI 2Observado
    1846-02 – En curso
    Cerro Chino
  14. 1830VEI ?Estimación geológica
    1830 – En curso
  15. 1805VEI 2Observado
    1805 – En curso
  16. 1775VEI 3Observado
    1775-07-01 – 1775-07-23
    Cerro Chino (SW flank and summit)
  17. 1760VEI ?Estimación geológica
    1760 – En curso
  18. 1717VEI ?Estimación geológica
    1717 – En curso
  19. 1699VEI 2Observado
    1699-06-29 – En curso
  20. 1693VEI 2Observado
    1693 – En curso
  21. 1690VEI 2Observado
    1690 – En curso
  22. 1687VEI 2Observado
    1687-03-26 – 1687-03-27
  23. 1678VEI 2Observado
    1678-08 – En curso
  24. 1677VEI ?Estimación geológica
    1677-07 – En curso
  25. 1674VEI 2Observado
    1674-07 – En curso
  26. 1671VEI 2Observado
    1671-08 – En curso
  27. 1668VEI 2Observado
    1668-08 – 1669-06-29
  28. 1664VEI 3Observado
    1664 – En curso
  29. 1655VEI 2Observado
    1655-07 – En curso
  30. 1651VEI 2Observado
    1651-02-18 – 1651-04-13
  31. 1623VEI 3Observado
    1623 – En curso
  32. 1565VEI 3Observado
    1565-08 – En curso
    Cerro Chino
  33. 1360 (±75 años)VEI 3Estimación geológica
    1360 – En curso
    Cerro Chino
  34. 1160 (±75 años)VEI 3Estimación geológica
    1160 – En curso
    MacKenney Crater
  35. 880 (±500 años)VEI 3Estimación geológica
    880 – En curso
  36. 400 (±50 años)VEI 2Estimación geológica
    400 – En curso

Enlaces externos

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