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Gunung Iwaki

Iwakisan

Stratovolkan · Japan · 1625 m

Iwakisan rises above farmlands below its SE flank. The peak to the left is Chokaisan and the 2-km-wide summit crater is filled by a lava dome that forms the summit. Eruptions have occurred since 1597 CE and have consisted primarily of small-to-moderate phreatic explosions.
Iwakisan rises above farmlands below its SE flank. The peak to the left is Chokaisan and the 2-km-wide summit crater is filled by a lava dome that forms the summit. Eruptions have occurred since 1597 CE and have consisted primarily of small-to-moderate phreatic explosions. · Foto: Copyrighted photo by Yoshihiro Ishizuka (Japanese Quaternary Volcanoes database, RIODB, http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/index.htm and Geol Surv Japan, AIST, http://www.gsj.jp/). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Japan
Wilayah
Northwestern Pacific Volcanic Regions / Northeast Japan Volcanic Arc
Ketinggian
1625 m
Koordinat
40.656, 140.303
Letusan terakhir
1863
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Iwakisan volcano, symmetrical on all but its western flanks, has been called the Fujisan of the Tsugaru district. The 2-km-wide summit crater is filled by a lava dome flanked by six explosion craters. Three lava domes are found on the western and southern flanks of the andesitic volcano, the NW-most active volcano in Honshu. Historical eruptions have been reported here since 1600 CE and have consisted primarily of small-to-moderate phreatic explosions.

Ringkasan Wikipedia

Gunung Iwaki adalah sebuah gunung berapi kerucut yang terletak di barat Prefektur Aomori, Tohoku, Jepang. Gunung ini juga disebut sebagai Tsugaru Fuji atau Okufuji karena bentuknya yang mirip dengan Gunung Fuji. Dengan ketinggian puncak 1.625 meter (5.331 ft) dari permukaan laut dan 1.362 meter (4.469 ft) dari kaki gunung, gunung ini adalah gunung tertinggi di Prefektur Aomori.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
8050 BCE~7720 BCE · 1 letusan · VEI maks. ?4085 BCE~3754 BCE · 1 letusan · VEI maks. ?1111 BCE~780 BCE · 1 letusan · VEI maks. ?780 BCE~450 BCE · 1 letusan · VEI maks. ?1533~1863 · 25 letusan · VEI maks. 38050 BCE5737 BCE3093 BCE780 BCE1533

Garis waktu rinci

  1. 1863VEI 1Teramati
    1863-03-23 – Berlangsung
  2. 1856VEI 2Perkiraan geologi
    1856-05-20 – Berlangsung
  3. 1848VEI 2Perkiraan geologi
    1848-01-18 – Berlangsung
  4. 1845VEI 2Teramati
    1845-04-04 – Berlangsung
  5. 1844VEI 2Teramati
    1844-04-07 – Berlangsung
    Summit and south flank?
  6. 1833VEI 2Perkiraan geologi
    1833-04-11 – Berlangsung
  7. 1807VEI 2Perkiraan geologi
    1807-03-31 – Berlangsung
  8. 1800VEI 2Perkiraan geologi
    1800-05-11 – Berlangsung
  9. 1794VEI 2Perkiraan geologi
    1794-04-03 – Berlangsung
  10. 1793VEI 2Perkiraan geologi
    1793-04-02 – Berlangsung
  11. 1790VEI 2Teramati
    1790-10-09 – Berlangsung
  12. 1783VEI 2Perkiraan geologi
    1783-12-03 – Berlangsung
  13. 1782VEI 2Perkiraan geologi
    1782-04-12 – Berlangsung
    South flank
  14. 1782VEI 2Teramati
    1782-12-01 – 1783-03-12
  15. 1769VEI 2Perkiraan geologi
    1769 – Berlangsung
  16. 1709VEI 2Perkiraan geologi
    1709-04-23 – Berlangsung
  17. 1694VEI 2Perkiraan geologi
    1694-06-19 – Berlangsung
  18. 1672VEI 2Perkiraan geologi
    1672-07-12 – 1672-07-28
  19. 1618VEI 2Teramati
    1618-01-31 – Berlangsung
  20. 1605VEI 2Perkiraan geologi
    1605-04-10 – Berlangsung
  21. 1604VEI 3Teramati
    1604-02-07 – Berlangsung
    Torinoumi
  22. 1600VEI 2Teramati
    1600-02-22 – Berlangsung
    Torinoumi
  23. 1600VEI 2Teramati
    1600-07-23 – 1600-07-25
    Torinoumi
  24. 1597VEI 2Perkiraan geologi
    1597-01 – Berlangsung
  25. 1597VEI 2Perkiraan geologi
    1597-06-13 – Berlangsung
  26. 550 SM (±500 tahun)VEI ?Perkiraan geologi
    BCE 550 – Berlangsung
    Torinoumi lava dome
  27. 1050 SMVEI ?Perkiraan geologi
    BCE 1050 – Berlangsung
    Summit and central lava dome
  28. 4050 SMVEI ?Perkiraan geologi
    BCE 4050 – Berlangsung
    West summit lava dome
  29. 8050 SMVEI ?Perkiraan geologi
    BCE 8050 – Berlangsung
    Torinoumi lava dome

Tautan eksternal

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