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Ksudach

Stratovolkan · Russia · 1007 m

Ksudach, the large volcano seen here from the SW, contains five calderas with the northern of two caldera lakes (center) forming an embayment in Shtyubel' Crater. Situated within the youngest caldera, Ksudach V, Shtyubel’ has been active since about 1,600 years ago and an eruption in 1907 was one of Kamchatka's largest in historical time.
Ksudach, the large volcano seen here from the SW, contains five calderas with the northern of two caldera lakes (center) forming an embayment in Shtyubel' Crater. Situated within the youngest caldera, Ksudach V, Shtyubel’ has been active since about 1,600 years ago and an eruption in 1907 was one of Kamchatka's largest in historical time. · Foto: Photo by Nikolai Smelov, 1996 (courtesy of Vera Ponomareva, Institute of Volcanic Geology and Geochemistry, Petropavlovsk). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Russia
Wilayah
Northwestern Pacific Volcanic Regions / Kuril Volcanic Arc
Ketinggian
1007 m
Koordinat
51.804, 157.529
Letusan terakhir
1907
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Caldera
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Ksudach is unique among Kamchatka volcanoes in its morphology and geologic history. It is a large, low-angle stratovolcano, constructed of alternating basaltic-andesitic lavas and dacitic pyroclastics, and is truncated by an intricate complex of five calderas. An array of post-caldera structures is truncated by later calderas, the last three of which formed during the Holocene, about 7,900 and 5,000 BCE and about 240 CE. The latter eruption was the second largest in Kamchatka during the Holocene, and produced about 20 km3 of rhyodacitic airfall tephra and 3-4 km3 of pyroclastic flows. The eastern part of the caldera complex contains two lakes, the northern of which forms an embayment in Shtyubel' (Stubel) Crater, a low-angle cone that began forming about 1,600 years ago in the youngest caldera. The only historical eruption, in 1907, originated from Shtyubel'.

Ringkasan Wikipedia

Ringkasan Inggris

Ksudach is a stratovolcano in southern Kamchatka, Russia. The last eruption of Ksudach was in March 1907, on or around 28 March, which was one of the largest ever recorded in Kamchatka with a Volcanic Explosivity Index of 5. The summit area comprises overlapping calderas. Two lakes, Bolshoe and Kraternoe, are located within calderas at the summit of Ksudach. These lakes, along with hot springs and the surrounding wilderness, make the Ksudach Volcano region a popular trekking destination. In the event of renewed volcanic activity, its remote location minimizes its potential hazard to humans.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
7900 BCE~7573 BCE · 1 letusan · VEI maks. 55612 BCE~5285 BCE · 1 letusan · VEI maks. ?5285 BCE~4958 BCE · 1 letusan · VEI maks. 54958 BCE~4631 BCE · 2 letusan · VEI maks. 54631 BCE~4304 BCE · 1 letusan · VEI maks. 34304 BCE~3977 BCE · 1 letusan · VEI maks. 33323 BCE~2996 BCE · 1 letusan · VEI maks. 4381 BCE~54 BCE · 1 letusan · VEI maks. 354 BCE~272 · 1 letusan · VEI maks. 6272~599 · 1 letusan · VEI maks. 2599~926 · 1 letusan · VEI maks. ?926~1253 · 1 letusan · VEI maks. 41580~1907 · 2 letusan · VEI maks. 57900 BCE5612 BCE2996 BCE708 BCE1580

Garis waktu rinci

  1. 1907VEI 5Teramati
    1907-03-28 – Berlangsung
    Stubel
  2. 1750VEI 4Perkiraan geologi
    1750 – Berlangsung
    Stubel
  3. 1000 (±50 tahun)VEI 4Perkiraan geologi
    1000 – Berlangsung
    Stubel
  4. 700VEI ?Perkiraan geologi
    700 – Berlangsung
  5. 350VEI 2Perkiraan geologi
    350 – Berlangsung
    Stubel
  6. 240 (±100 tahun)VEI 6Perkiraan geologi
    240 – Berlangsung
    Ksudach V caldera
  7. 200 SMVEI 3Perkiraan geologi
    BCE 200 – Berlangsung
  8. 3000 SMVEI 4Perkiraan geologi
    BCE 3000 – Berlangsung
  9. 4100 SMVEI 3Perkiraan geologi
    BCE 4100 – Berlangsung
  10. 4550 SMVEI 3Perkiraan geologi
    BCE 4550 – Berlangsung
  11. 4750 SMVEI ?Perkiraan geologi
    BCE 4750 – Berlangsung
    SW part of caldera IV (Paryashchiy Utes)
  12. 4900 SMVEI 5Perkiraan geologi
    BCE 4900 – Berlangsung
    Ksudach IV caldera
  13. 5200 SMVEI 5Perkiraan geologi
    BCE 5200 – Berlangsung
    Ksudach IV caldera
  14. 5600 SMVEI ?Perkiraan geologi
    BCE 5600 – Berlangsung
  15. 7900 SMVEI 5Perkiraan geologi
    BCE 7900 – Berlangsung
    Ksudach III caldera

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.