The Daisetsuzan Volcanic Group (大雪山系, Daisetsu-sankei; also called Taisetsu-zan) is a volcanic group of peaks arranged around the 2 kilometres (1.2 mi) wide Ohachi-Daira (御鉢平, Ohachi-daira) caldera in Hokkaidō, Japan. In the Ainu language it is known as Nutapukaushipe (which means "the mountain above the river"), Nutaku Kamushupe, or Optateske. These peaks are the highest in Hokkaidō. The group lends its name to the Daisetsuzan National Park in which the volcanic group is located.
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👉 Daisetsuzan Volcanic Group in the context of Ishikari Mountains
The Ishikari Mountains (石狩山地, Ishikari Sanchi) is a range of volcanic mountains in central Hokkaidō, Japan. The mountain range is made up from the Daisetsuzan Volcanic Group and the Tomuraushi Volcanic Group. The volcanoes are part of the Kurile arc of the Ring of Fire. The mountains are also referred to as Kamui Mintara which is an Ainu name meaning “the playground of the gods”.
In this Dossier
- ⭐ Core Definition: Daisetsuzan Volcanic Group
- 👉 Daisetsuzan Volcanic Group in the context of Ishikari Mountains
- Daisetsuzan Volcanic Group in the context of Sakhalin Island Arc
- Daisetsuzan Volcanic Group in the context of Ishikari River
- Daisetsuzan Volcanic Group in the context of Tomuraushi Volcanic Group
Daisetsuzan Volcanic Group in the context of Sakhalin Island Arc
The Sakhalin Island Arc (Russian Сахалинские острова) is an ancient volcanic arc dating from the Early Miocene. The arc was a result of the Okhotsk Plate subducting beneath the Eurasian Plate in the convergence zone. The arc runs from mainland Asia through Sakhalin Island into central Hokkaido and the collision zone around the Daisetsuzan Volcanic Group, where the Kuril Island Arc and the Northeastern Japan Arc meet.
Daisetsuzan Volcanic Group in the context of Ishikari River
The Ishikari River (石狩川, Ishikari-gawa), at 268 kilometres (167 mi) long, is the third longest in Japan and the longest in Hokkaido. The river drains an area of 14,330 square kilometres (5,530 sq mi), making it the second largest in Japan, with a total discharge of around 14.8 cubic kilometres (3.6 cu mi) per year.
It originates from Mount Ishikari in the Daisetsuzan Volcanic Group and flows through Asahikawa and Sapporo. Major tributaries of the river include the Chūbetsu, Uryū, Sorachi and Toyohira rivers. Until 40,000 years ago, it flowed into the Pacific Ocean near Tomakomai. Lava from the volcanic Shikotsu mountains dammed the river and moved its mouth to the Ishikari Bay.
Daisetsuzan Volcanic Group in the context of Tomuraushi Volcanic Group
Tomuraushi Volcanic Group (トムラウシ火山群, Tomuraushi-kazangun) is a volcanic group in Hokkaidō, Japan. Along with the Daisetsuzan Volcanic Group they make up the Ishikari Mountains in Daisetsuzan National Park. The group consists of andesite and dacite stratovolcanoes and lava domes.