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Mount Sirung

Sirung

Volcán complejo · Indonesia · 1347 m

The steaming summit caldera of Gunung Sirung volcano is seen here from the eastern caldera rim. Sirung volcano lies at the NE end of a 14-km-long line of volcanic centers forming a peninsula at the southern end of Pantar Island. A lava dome (center) at the western side of the caldera forms the summit of Gunung Sirung volcano; other cones along the chain to the SE increase in height. The 2-km-wide summit caldera has been the source of small phreatic eruptions during the 20th century.
The steaming summit caldera of Gunung Sirung volcano is seen here from the eastern caldera rim. Sirung volcano lies at the NE end of a 14-km-long line of volcanic centers forming a peninsula at the southern end of Pantar Island. A lava dome (center) at the western side of the caldera forms the summit of Gunung Sirung volcano; other cones along the chain to the SE increase in height. The 2-km-wide summit caldera has been the source of small phreatic eruptions during the 20th century. · Foto: Photo by L.D. Reksowirogo, 1972 (Volcanological Survey of Indonesia). · Wikimedia Commons
Tipo
Volcán complejo
País
Indonesia
Región
Sunda-Banda Volcanic Regions / Sunda Volcanic Arc
Altitud
1347 m
Coordenadas
-8.497, 124.131
Última erupción
2021
Contexto tectónico
Subduction zone / Crustal thickness unknown
Forma volcánica
Composite
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

Sirung is located at the NE end of a volcanic massif with multiple centers that extends 14 km NE from the southern end of Pantar Island. The volcano is truncated by a 2-km-wide caldera whose floor often contains one or more small lakes. Much of the volcano is constructed of basaltic lava flows, and the Gunung Sirung lava dome forms the high point on the caldera's western rim. A number of phreatic eruptions occurred from vents within the caldera during the 20th century. Forested Gunung Topaki, the high point of the volcanic chain, has a small summit crater and lies ~3.5 km SW of the active crater area.

Resumen de Wikipedia

Resumen en inglés

Mount Sirung is an active volcano complex volcano located on Pantar Island in the Alor archipelago of the eastern Indonesian province of Nusa Tenggara Timor. The crater rim can be reached by an easy hike from the village of Kakamauta. Inside the crater is a large sulphurous crater lake and several active steam vents. The last major eruption occurred 1970, and regular gas and clastic eruptions have occurred since 2004. A small eruption beginning May 12, 2012 triggered an evacuation of an area within a 1.5 km radius of the caldera.

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Historial de erupciones

Resumen (VEI en el tiempo)
Haga clic en una barra para ver erupciones individuales
1852~1869 · 1 erupciones · VEI máx. 21886~1903 · 1 erupciones · VEI máx. 21920~1937 · 2 erupciones · VEI máx. 21937~1953 · 2 erupciones · VEI máx. 21953~1970 · 5 erupciones · VEI máx. 22004~2021 · 3 erupciones · VEI máx. 218521886193719702004

Línea de tiempo detallada

  1. 2021VEI 1Observado
    2021-07-21 – 2021-07-21
  2. 2015VEI 1Observado
    2015-07-07 – 2015-07-08
    vents within the caldera
  3. 2012VEI 2Observado
    2012-05-08 – 2012-05-12
    Vents within the caldera
  4. 1970VEI 2Observado
    1970-07-02 – En curso
  5. 1965VEI 1Observado
    1965-05-07 – 1965-05-18
  6. 1965VEI 1Observado
    1965-11-02 – 1965-11-02
  7. 1964VEI 1Observado
    1964-02-08 – 1964-10-05
  8. 1960VEI 2Observado
    1960-03-13 – En curso
  9. 1953VEI ?Observado
    1953-06-16 – En curso
  10. 1947VEI 2Observado
    1947-04 – 1947-05
  11. 1934VEI 2Observado
    1934-06-14 – 1934-07-15
  12. 1927VEI 2Estimación geológica
    1927 – En curso
  13. 1899VEI 2Estimación geológica
    1899-03 – 1899-04
  14. 1852VEI 2Estimación geológica
    1852 – En curso

Enlaces externos

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