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Mount Rausu

Rausudake

Stratovulcano · Japan · 1660 m

Rausudake, seen here from the SW at Shiretoko Pass, is a small cone in NE Hokkaido. It is located 5 km SW of Shiretoko-Iozan volcano along the crest of the elongated NE-trending ridge forming the Shiretoko Peninsula. Explosive eruptions have taken place several times during the Holocene, including eruptions of pumiceous tephras about 2,200 and 1,500 years ago.
Rausudake, seen here from the SW at Shiretoko Pass, is a small cone in NE Hokkaido. It is located 5 km SW of Shiretoko-Iozan volcano along the crest of the elongated NE-trending ridge forming the Shiretoko Peninsula. Explosive eruptions have taken place several times during the Holocene, including eruptions of pumiceous tephras about 2,200 and 1,500 years ago. · Foto: Copyrighted photo by Yoshihiko Goto (Japanese Quaternary Volcanoes database, RIODB, http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/index.htm and Geol Surv Japan, AIST, http://www.gsj.jp/). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Japan
Regione
Northwestern Pacific Volcanic Regions / Kuril Volcanic Arc
Altitudine
1660 m
Coordinate
44.076, 145.122
Ultima eruzione
1800
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

Rausudake is an andesitic-to-dacitic stratovolcano with summit lava domes on the Shiretoko Peninsula in NE Hokkaido. The 1660-m-high volcano is located along a ridge 5 km SW of Shiretoko-Iozan volcano, the NE-most Holocene volcano in Hokkaido. Young lava flows descend the NW flank and broad areas along the SE flank, and an older lava flow traveled about 9 km W, reaching the coast of the Sea of Okhotsk along a broad front. Eruptions produced pumiceous tephras with associated pyroclastic flows about 2200, 1400, and 800 years ago. Recent work has documented a pyroclastic-flow deposit that overlies the 1739 tephra from Tarumai volcano in SW Hokkaido. Stratigraphic relationships place this eruption, the most recent known from Rausudake, between about 1750 and 1850 CE.

Sintesi da Wikipedia

Riassunto in inglese

Mount Rausu is a stratovolcano on the Shiretoko Peninsula in Hokkaidō, Japan. It sits on the border between the towns of Shari and Rausu. Mount Rausu is the northeasternmost Holocene volcano on Hokkaidō. It is one of the 100 famous mountains in Japan.

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Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
270 BCE~82 BCE · 1 eruzioni · VEI max. ?82 BCE~106 · 1 eruzioni · VEI max. 3483~671 · 1 eruzioni · VEI max. 41235~1424 · 1 eruzioni · VEI max. 31612~1800 · 1 eruzioni · VEI max. 3270 BCE29567112351612

Cronologia dettagliata

  1. 1800 (±50 anni)VEI 3Stima geologica
    1800 – In corso
  2. 1350 (±100 anni)VEI 3Stima geologica
    1350 – In corso
  3. 550 (±100 anni)VEI 4Stima geologica
    550 – In corso
  4. 80 (±50 anni)VEI 3Stima geologica
    80 – In corso
    SW flank (Tencho-zan)
  5. 270 a.C. (±100 anni)VEI ?Stima geologica
    BCE 270 – In corso

Link esterni

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