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Changbai Shan

Changbaishan

Stratovulcano · China-North Korea · 2744 m

Lake Tianchi occupies the 5-km-wide, 850-m-deep summit caldera of Changbaishan, which straddles the China/Korea border. The volcano is also known as Baitoushan and by the Korean names of Baegdu or P'aektu-san. This view looks from the northern rim on the Chinese side towards the SE caldera wall on the Korean side. One of the world's largest known Holocene explosive eruptions took place from Changbaishan about 1000 CE, depositing tephra as far away as northern Japan.
Lake Tianchi occupies the 5-km-wide, 850-m-deep summit caldera of Changbaishan, which straddles the China/Korea border. The volcano is also known as Baitoushan and by the Korean names of Baegdu or P'aektu-san. This view looks from the northern rim on the Chinese side towards the SE caldera wall on the Korean side. One of the world's largest known Holocene explosive eruptions took place from Changbaishan about 1000 CE, depositing tephra as far away as northern Japan. · Foto: Photo by Xiang Liu, 1983 (Changchun University). · Wikimedia Commons
Tipo
Stratovulcano
Paese
China-North Korea
Regione
Eastern Asia Volcanic Regions / Central East Asia Volcanic Province
Altitudine
2744 m
Coordinate
41.980, 128.080
Ultima eruzione
1903
Contesto tettonico
Intraplate / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Trachyte / Trachydacite
Sintesi geologica

Massive Changbaishan stratovolcano (also known as Baitoushan and by the Korean names of Baegdu, Paektu, or P'aektu-san), is located along the China/Korea border. A 5-km-wide, 850-m-deep summit caldera is filled by Lake Tianchi (Sky Lake). The 60-km-diameter dominantly trachytic and rhyolitic volcano was constructed over the Changbaishan (Laoheidingzi) shield volcano. Satellitic cinder cones are aligned along a NNE trend. One of the largest known Holocene explosive eruptions took place here about 946 CE, depositing tephra as far away as northern Japan and forming in part the present caldera; Yang et al. (2021) estimated the total erupted volume to be 40-98 km3. Minor eruptions have been recorded since the 15th century.

Sintesi da Wikipedia

Il Changbai Shan è una catena montuosa situata nell'Estremo Oriente, che corre lungo il confine settentrionale tra Cina e Corea del Nord fino a giungere con l'estremità nord-orientale a breve distanza dal confine russo.

Wikipedia · CC BY-SA · Leggi l'articolo completo →

Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
2155 BCE~1962 BCE · 1 eruzioni · VEI max. 41189 BCE~996 BCE · 1 eruzioni · VEI max. ?223 BCE~29 BCE · 1 eruzioni · VEI max. 4937~1130 · 1 eruzioni · VEI max. 61323~1517 · 1 eruzioni · VEI max. ?1517~1710 · 3 eruzioni · VEI max. ?1710~1903 · 2 eruzioni · VEI max. 22155 BCE1189 BCE223 BCE7441710

Cronologia dettagliata

  1. 1903VEI ?Osservata
    1903-04-15 – In corso
    Liuhaojie tuff ring?
  2. 1898VEI 2Osservata
    1898 – In corso
  3. 1702VEI ?Osservata
    1702-06-09 – In corso
  4. 1668VEI ?Osservata
    1668-06 – In corso
  5. 1597VEI ?Stima geologica
    1597-10-06 – In corso
  6. 1413VEI ?Stima geologica
    1413 – In corso
  7. 946VEI 6Stima geologica
    946-11-15 – In corso
    Millennium Eruption
  8. 180 a.C. (±80 anni)VEI 4Stima geologica
    BCE 180 – In corso
  9. 1000 a.C.VEI ?Stima geologica
    BCE 1000 – In corso
  10. 2155 a.C. (±90 anni)VEI 4Stima geologica
    BCE 2155 – In corso

Link esterni

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