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Gunung Awu

Awu

Stratovolkan · Indonesia · 1318 m

A shallow lake partially fills the summit crater of Awu volcano in this 1995 view. Gunung Awu volcano, one of the deadliest in Indonesia, is cut by deep valleys that form passageways for lahars dissect the flanks of the 1320-m-high volcano. Powerful explosive eruptions in 1711, 1812, 1856, 1892, and 1966 produced devastating pyroclastic flows and lahars that caused more than 8000 fatalities.
A shallow lake partially fills the summit crater of Awu volcano in this 1995 view. Gunung Awu volcano, one of the deadliest in Indonesia, is cut by deep valleys that form passageways for lahars dissect the flanks of the 1320-m-high volcano. Powerful explosive eruptions in 1711, 1812, 1856, 1892, and 1966 produced devastating pyroclastic flows and lahars that caused more than 8000 fatalities. · Foto: Photo by Kristianto, 1995 (Centre of Volcanology & Geological Hazard Mitigation, Volcanological Survey of Indonesia). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Indonesia
Wilayah
Pasifik Barat / Sangihe Volcanic Arc
Ketinggian
1318 m
Koordinat
3.689, 125.447
Letusan terakhir
2004
Kondisi tektonik
Subduction zone / Oceanic crust (< 15 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

The massive Gunung Awu stratovolcano occupies the northern end of Great Sangihe Island, the largest of the Sangihe arc. Deep valleys that form passageways for lahars dissect the flanks of the volcano, which was constructed within a 4.5-km-wide caldera. Powerful explosive eruptions in 1711, 1812, 1856, 1892, and 1966 produced devastating pyroclastic flows and lahars that caused more than 8000 cumulative fatalities. Awu contained a summit crater lake that was 1 km wide and 172 m deep in 1922, but was largely ejected during the 1966 eruption.

Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
1640~1676 · 2 letusan · VEI maks. 31676~1713 · 2 letusan · VEI maks. 31786~1822 · 1 letusan · VEI maks. 41822~1858 · 1 letusan · VEI maks. 31858~1895 · 5 letusan · VEI maks. 31895~1931 · 4 letusan · VEI maks. 21931~1968 · 1 letusan · VEI maks. 41968~2004 · 3 letusan · VEI maks. 216401713182218951968

Garis waktu rinci

  1. 2004VEI 2Teramati
    2004-06-02 – 2004-08-16
  2. 1992VEI 1Teramati
    1992-04-07 – Berlangsung
    SE part of summit crater
  3. 1968VEI 2Perkiraan geologi
    1968-08-16 – 1968-09-16
  4. 1966VEI 4Teramati
    1966-08-12 – 1966-10-16
  5. 1930VEI 2Teramati
    1930-12-16 – 1931-12-16
  6. 1922VEI 0Teramati
    1922-06-20 – 1922-09-16
  7. 1921VEI 0Teramati
    1921-02-16 – 1921-10-01
  8. 1913VEI 2Teramati
    1913-03-14 – 1913-03-14
  9. 1893VEI 2Teramati
    1893-07-02 – Berlangsung
  10. 1892VEI 3Teramati
    1892-06-07 – 1892-06-12
  11. 1885VEI 2Teramati
    1885-08-18 – Berlangsung
  12. 1883VEI 2Teramati
    1883-08-25 – 1883-08-26
  13. 1875VEI 2Teramati
    1875-08-16 – 1875-08-16
  14. 1856VEI 3Teramati
    1856-03-02 – 1856-03-17
  15. 1812VEI 4Teramati
    1812-08-06 – 1812-08-08
  16. 1711VEI 3Teramati
    1711-12-10 – 1711-12-16
  17. 1699VEI ?Perkiraan geologi
    1699 – Berlangsung
  18. 1646 (±5 tahun)VEI 2Teramati
    1646 – Berlangsung
  19. 1640VEI 3Perkiraan geologi
    1640-12 – 1641-01-04

Tautan eksternal

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