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Pegunungan Changbai

Changbaishan

Stratovolkan · 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
Tipe
Stratovolkan
Negara
China-North Korea
Wilayah
Eastern Asia Volcanic Regions / Central East Asia Volcanic Province
Ketinggian
2744 m
Koordinat
41.980, 128.080
Letusan terakhir
1903
Kondisi tektonik
Intraplate / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Trachyte / Trachydacite
Ringkasan geologi

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.

Ringkasan Wikipedia

Ringkasan Inggris

The Changbai Mountains are a major mountain range in East Asia that extends from the Northeast Chinese provinces of Heilongjiang, Jilin and Liaoning, across the China-North Korea border, to the North Korean provinces of Ryanggang and Chagang. They are also referred to as the Šanggiyan Mountains in the Manchu language, or the Great Paekdu in Korean. Most of its peaks exceed 2,000 m (6,600 ft) in height, with the tallest summit being Paektu Mountain at 2,744 m (9,003 ft), which contains the Heaven Lake, a large volcanic crater lake at a surface elevation of 2,189.1 m (7,182 ft). The protected area Longwanqun National Forest Park is located within the vicinity of the mountain range.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
2155 BCE~1962 BCE · 1 letusan · VEI maks. 41189 BCE~996 BCE · 1 letusan · VEI maks. ?223 BCE~29 BCE · 1 letusan · VEI maks. 4937~1130 · 1 letusan · VEI maks. 61323~1517 · 1 letusan · VEI maks. ?1517~1710 · 3 letusan · VEI maks. ?1710~1903 · 2 letusan · VEI maks. 22155 BCE1189 BCE223 BCE7441710

Garis waktu rinci

  1. 1903VEI ?Teramati
    1903-04-15 – Berlangsung
    Liuhaojie tuff ring?
  2. 1898VEI 2Teramati
    1898 – Berlangsung
  3. 1702VEI ?Teramati
    1702-06-09 – Berlangsung
  4. 1668VEI ?Teramati
    1668-06 – Berlangsung
  5. 1597VEI ?Perkiraan geologi
    1597-10-06 – Berlangsung
  6. 1413VEI ?Perkiraan geologi
    1413 – Berlangsung
  7. 946VEI 6Perkiraan geologi
    946-11-15 – Berlangsung
    Millennium Eruption
  8. 180 SM (±80 tahun)VEI 4Perkiraan geologi
    BCE 180 – Berlangsung
  9. 1000 SMVEI ?Perkiraan geologi
    BCE 1000 – Berlangsung
  10. 2155 SM (±90 tahun)VEI 4Perkiraan geologi
    BCE 2155 – Berlangsung

Tautan eksternal

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