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Monte Nikkō-Shirane

Nikko-Shiranesan

Vulcano a scudo · Japan · 2578 m

Nikko-Shiranesan is a relatively small volcano consisting of a group of four lava domes in Nikko National Park. An E-W-trending fissure is visible across the summit lava dome, seen here from Mae-Shirane, E of the summit. Eruptions from the 17th to 19th centuries CE consisted of phreatic explosions from Shiranesan, the youngest lava dome.
Nikko-Shiranesan is a relatively small volcano consisting of a group of four lava domes in Nikko National Park. An E-W-trending fissure is visible across the summit lava dome, seen here from Mae-Shirane, E of the summit. Eruptions from the 17th to 19th centuries CE consisted of phreatic explosions from Shiranesan, the youngest lava dome. · Foto: Photo by Lee Siebert, 1964 (Smithsonian Institution). · Wikimedia Commons
Tipo
Vulcano a scudo
Paese
Japan
Regione
Northwestern Pacific Volcanic Regions / Northeast Japan Volcanic Arc
Altitudine
2578 m
Coordinate
36.799, 139.376
Ultima eruzione
1952
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Shield
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

Nikko-Shiranesan is a relatively small, 2578-m-high andesitic volcano consisting of a group of four lava domes resting on a shield volcano that rises to the NW of scenic Lake Chuzenji in Nikko National Park. All historical eruptions, recorded during the 17th-20th centuries, have consisted of phreatic explosions from Shiranesan, the youngest lava dome. Viscous lava flows with prominent levees from the underlying shield volcano Keizukayama were responsible for the formation of several scenic lakes north of the volcano.

Sintesi da Wikipedia

Riassunto in inglese

Mount Nikkō-Shirane is a stratovolcano in the Nikkō National Park in central Honshū, the main island of Japan. It stands at 2,578 m high. It is the highest mountain in north eastern Japan. Its peak is a Lava dome of andesite. Mt Nikkō-Shirane is listed in the 100 famous mountains in Japan proposed by Kyuya Fukada and also of one of the famous mountains of Tochigi and Gunma prefectures respectively.

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Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
4150 BCE~3947 BCE · 1 eruzioni · VEI max. ?2116 BCE~1913 BCE · 1 eruzioni · VEI max. ?489 BCE~285 BCE · 1 eruzioni · VEI max. ?732~935 · 1 eruzioni · VEI max. ?1545~1749 · 2 eruzioni · VEI max. 31749~1952 · 6 eruzioni · VEI max. 24150 BCE2726 BCE1099 BCE3251749

Cronologia dettagliata

  1. 1952VEI 2Osservata
    1952-07-16 – 1952-09-16
    Shirane-san
  2. 1890VEI 1Osservata
    1890-08-22 – In corso
    Shirane-san
  3. 1889VEI 1Osservata
    1889-12-04 – In corso
    Shirane-san (west flank)
  4. 1873VEI 1Osservata
    1873-03-12 – In corso
    Shirane-san
  5. 1872VEI 2Osservata
    1872-05-14 – In corso
    Shirane-san (SW flank)
  6. 1871VEI ?Stima geologica
    1871-04 – In corso
    Shirane-san
  7. 1649VEI 2Osservata
    1649-02 – In corso
    Shirane-san
  8. 1625VEI 3Osservata
    1625 – In corso
    Shirane-san
  9. 800VEI ?Stima geologica
    800 – In corso
  10. 400 a.C.VEI ?Stima geologica
    BCE 400 – In corso
  11. 2000 a.C.VEI ?Stima geologica
    BCE 2000 – In corso
  12. 4150 a.C. (±200 anni)VEI ?Stima geologica
    BCE 4150 – In corso

Link esterni

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