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Mount Nasu

Nasudake

Stratovolkan · Japan · 1915 m

A line of hikers at the lower left walk along a trail below the summit of Chausudake, the active cone of the Nasudake volcanic complex. This volcano group consists of a N-S-trending cluster of cones and lava domes at the N end of the Kanto Plain. Chausudake is a young cone that formed about 16,000 years ago. Six eruptions took place in 1408-1410 CE, when the youngest summit lava dome formed; additional smaller phreatic eruptions have occurred since then.
A line of hikers at the lower left walk along a trail below the summit of Chausudake, the active cone of the Nasudake volcanic complex. This volcano group consists of a N-S-trending cluster of cones and lava domes at the N end of the Kanto Plain. Chausudake is a young cone that formed about 16,000 years ago. Six eruptions took place in 1408-1410 CE, when the youngest summit lava dome formed; additional smaller phreatic eruptions have occurred since then. · Foto: Photo by Yukio Hayakawa, 1994 (Gunma University). · Wikimedia Commons
Tipe
Stratovolkan
Negara
Japan
Wilayah
Northwestern Pacific Volcanic Regions / Northeast Japan Volcanic Arc
Ketinggian
1915 m
Koordinat
37.125, 139.963
Letusan terakhir
1963
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

The Nasudake volcanic group consists of a N-S-trending cluster of stratovolcanoes and lava domes at the north end of the Kanto Plain. Volcanic activity dates back about 500,000 years. Growth of three large basaltic-to-dacitic stratovolcanoes, each lasting about 200,000 years, was followed by construction of three smaller andesitic stratovolcanoes, Asahidake, Futamatayama, and Chausudake. Activity during the last 55,000 years included the collapse of Asahidake volcano about 30-40,000 years ago, producing the massive Ofujisan debris-avalanche deposit, which covers a broad area SE of the volcano. The youngest volcano, Chausudake, began forming about 16,000 years ago. Six magmatic eruptions took place since then, the latest in 1408-1410 CE, when the Chausudake summit lava dome formed. These eruptions produced block-and-ash flows and concluded with the extrusion of lava flows. Smaller phreatic eruptions have occurred every few hundred years during the past 5,000 years.

Ringkasan Wikipedia

Ringkasan Inggris

Mount Nasu is a group of complex volcanoes located in the northeast part of Nikkō National Park, Japan. The tallest peak is Sanbonyari Peak at a height of 1,916.9 m (6,289 ft). Mount Nasu is one of the 100 Famous Japanese Mountains.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
8550 BCE~8200 BCE · 1 letusan · VEI maks. 28200 BCE~7849 BCE · 1 letusan · VEI maks. 36097 BCE~5747 BCE · 1 letusan · VEI maks. 25747 BCE~5396 BCE · 1 letusan · VEI maks. 34695 BCE~4345 BCE · 1 letusan · VEI maks. 22242 BCE~1892 BCE · 1 letusan · VEI maks. 21541 BCE~1191 BCE · 1 letusan · VEI maks. 2840 BCE~490 BCE · 1 letusan · VEI maks. 3490 BCE~140 BCE · 1 letusan · VEI maks. 2211~561 · 2 letusan · VEI maks. 31262~1613 · 4 letusan · VEI maks. 31613~1963 · 6 letusan · VEI maks. 18550 BCE6097 BCE3293 BCE840 BCE1613

Garis waktu rinci

  1. 1963VEI 1Perkiraan geologi
    1963-07-10 – 1963-07-11
    Chausu-dake
  2. 1963VEI 1Teramati
    1963-11-20 – 1963-11-21
    Chausu-dake (west side)
  3. 1960VEI 1Teramati
    1960-10-10 – Berlangsung
    Chausu-dake (50 m north of 1953 vent)
  4. 1953VEI 1Teramati
    1953-10-24 – 1953-10-29
    Chausu-dake (1881 crater)
  5. 1881VEI 1Teramati
    1881-07-01 – Berlangsung
    Chausu-dake (west and NW side of summit)
  6. 1846VEI 1Teramati
    1846-08 – Berlangsung
    Chausu-dake
  7. 1410VEI 3Teramati
    1410-03-05 – Berlangsung
    Chausu-dake
  8. 1408VEI 3Teramati
    1408-02-24 – Berlangsung
    Chausu-dake
  9. 1404VEI 3Teramati
    1404-02-11 – Berlangsung
    Chausu-dake
  10. 1397VEI 3Teramati
    1397-02-17 – Berlangsung
    Chausu-dake
  11. 330 (±200 tahun)VEI 2Perkiraan geologi
    330 – Berlangsung
    Chausu-dake
  12. 250 (±200 tahun)VEI 3Perkiraan geologi
    250 – Berlangsung
    Chausu-dake
  13. 250 SMVEI 2Perkiraan geologi
    BCE 250 – Berlangsung
    Chausu-dake
  14. 700 SM (±200 tahun)VEI 3Perkiraan geologi
    BCE 700 – Berlangsung
    Chausu-dake
  15. 1440 SM (±500 tahun)VEI 2Perkiraan geologi
    BCE 1440 – Berlangsung
    Chausu-dake
  16. 2000 SM (±1450 tahun)VEI 2Perkiraan geologi
    BCE 2000 – Berlangsung
    Chausu-dake
  17. 4350 SM (±950 tahun)VEI 2Perkiraan geologi
    BCE 4350 – Berlangsung
    Chausu-dake
  18. 5550 SM (±500 tahun)VEI 3Perkiraan geologi
    BCE 5550 – Berlangsung
    Chausu-dake
  19. 6050 SMVEI 2Perkiraan geologi
    BCE 6050 – Berlangsung
    Chausu-dake
  20. 7850 SMVEI 3Perkiraan geologi
    BCE 7850 – Berlangsung
    Chausu-dake
  21. 8550 SM (±1500 tahun)VEI 2Perkiraan geologi
    BCE 8550 – Berlangsung
    Chausu-dake

Tautan eksternal

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