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Monte Kaimon

Ata

Caldera · Japan · 924 m

Kaimon volcano is the youngest and most prominent feature of the Ibusuki volcanic field at the southern tip of Kyushu, seen here from the N. It was constructed during the last 4,000 years and has been the source of historical eruptions in the volcanic field. The Ibusuki field is located W of the Pleistocene Ata caldera and contains numerous small cones, maars, and the 4.5-km-wide Ikedoko caldera.
Kaimon volcano is the youngest and most prominent feature of the Ibusuki volcanic field at the southern tip of Kyushu, seen here from the N. It was constructed during the last 4,000 years and has been the source of historical eruptions in the volcanic field. The Ibusuki field is located W of the Pleistocene Ata caldera and contains numerous small cones, maars, and the 4.5-km-wide Ikedoko caldera. · Foto: Photo by Lee Siebert, 1988 (Smithsonian Institution). · Wikimedia Commons
Tipo
Caldera
País
Japan
Región
Western Pacific Volcanic Regions / Ryukyu Volcanic Arc
Altitud
924 m
Coordenadas
31.220, 130.570
Última erupción
885
Contexto tectónico
Subduction zone / Continental crust (> 25 km)
Forma volcánica
Caldera
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

The submerged 15 x 25 km Ata caldera under Kagoshima Bay is one of several large calderas in southern Kyushu and the source of major pyroclastic flows associated with its formation more than 40,000 years ago. The National Catalogue of the Active Volcanoes of Japan (JMA, 2013) included features of the Ibusuki field as part of the Ata post-caldera system. That area consists of numerous central cones and maars, the 4.5-km-wide Ikeda caldera, and Kaimondake stratovolcano. The symmetrical andesitic Kaimondake is the most prominent feature, and is capped by a lava dome. Ibusuki has been very active during the Holocene, forming the Ikeda caldera about 4,600 years ago, numerous maars and lava domes. Kaimondake formed during the last 4,000 years, from which all eruptive activity has occurred after about 2,650 years ago. Its last eruption took place in the 9th century. While listed as features of the Ata caldera, JMA (2013) simultaneously listed Kaimondake and the combination of Ikeda and Yamagawa as distinct volcanoes.

Resumen de Wikipedia

Resumen en inglés

Ata Caldera , containing the Ata North Caldera, and the Ata South Caldera, which in turn contains Mount Kaimon and Ikeda Caldera amongst other volcanoes, is a massive, ill defined, mostly submerged volcanic caldera structure associated with the southern portions of Kagoshima Bay.

Wikipedia · CC BY-SA · Leer artículo completo →

Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
5050 BCE~4828 BCE · 1 erupciones · VEI máx. ?2828 BCE~2606 BCE · 1 erupciones · VEI máx. 52162 BCE~1940 BCE · 1 erupciones · VEI máx. 41940 BCE~1717 BCE · 1 erupciones · VEI máx. 41717 BCE~1495 BCE · 3 erupciones · VEI máx. 41495 BCE~1273 BCE · 1 erupciones · VEI máx. ?829 BCE~607 BCE · 2 erupciones · VEI máx. 4384 BCE~162 BCE · 1 erupciones · VEI máx. 4162 BCE~60 · 2 erupciones · VEI máx. 460~282 · 3 erupciones · VEI máx. 4504~726 · 4 erupciones · VEI máx. 4726~949 · 6 erupciones · VEI máx. 41393~1615 · 1 erupciones · VEI máx. ?5050 BCE3495 BCE1717 BCE162 BCE1393

Línea de tiempo detallada

  1. 1615VEI ?Estimación geológica
    1615-08-07 – En curso
    Kaimon
  2. 885VEI 4Observado
    885-08-29 – 885-09-28
    Kaimon
  3. 882VEI 2Estimación geológica
    882-11 – En curso
    Kaimon
  4. 874VEI 4Observado
    874-03-29 – 874-07
    Kaimon
  5. 866VEI 2Estimación geológica
    866-05 – En curso
    Kaimon
  6. 860VEI 2Estimación geológica
    860-04 – En curso
    Kaimon
  7. 770VEI 4Estimación geológica
    770 – En curso
    Kaimon
  8. 720VEI 4Estimación geológica
    720 – En curso
    Kaimon
  9. 660VEI 4Estimación geológica
    660 – En curso
    Kaimon
  10. 600VEI 4Estimación geológica
    600 – En curso
    Kaimon
  11. 550VEI 2Estimación geológica
    550 – En curso
    Kaimon
  12. 270VEI 3Estimación geológica
    270 – En curso
    Kaimon
  13. 150VEI 4Estimación geológica
    150 – En curso
    Kaimon
  14. 130VEI 4Estimación geológica
    130 – En curso
    Kaimon
  15. 30VEI 3Estimación geológica
    30 – En curso
    Kaimon
  16. 80 a. C.VEI 4Estimación geológica
    BCE 80 – En curso
    Kaimon
  17. 270 a. C.VEI 4Estimación geológica
    BCE 270 – En curso
    Kaimon
  18. 650 a. C.VEI 4Estimación geológica
    BCE 650 – En curso
    Kaimon
  19. 700 a. C.VEI 2Estimación geológica
    BCE 700 – En curso
    Kaimon
  20. 1450 a. C.VEI ?Estimación geológica
    BCE 1450 – En curso
    Mizunashi, Kagami, Ikezoko maars
  21. 1500 a. C.VEI 4Estimación geológica
    BCE 1500 – En curso
    Kaimon
  22. 1550 a. C.VEI ?Estimación geológica
    BCE 1550 – En curso
    Nabeshima-dake
  23. 1610 a. C.VEI 3Estimación geológica
    BCE 1610 – En curso
    Kaimon
  24. 1780 a. C.VEI 4Estimación geológica
    BCE 1780 – En curso
    Kaimon
  25. 2010 a. C.VEI 4Estimación geológica
    BCE 2010 – En curso
    Kaimon
  26. 2690 a. C. (±75 años)VEI 5Estimación geológica
    BCE 2690 – En curso
    Ikeda-ko caldera
  27. 5050 a. C.VEI ?Estimación geológica
    BCE 5050 – En curso
    Unagi, Narikawa and Yamakawa maars

Enlaces externos

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