Hachimantai (Hatimantai) volcano is a complex stratovolcano in northern Honshu, Japan, located at the front of the northern Honshu volcanic arc. It belongs to the Towada-Hachimantai National Park.
Hachimantai was originally the name of a small peak (1614m) in the northern Sengan area, but is now commonly used as the name for the entire volcanic group, which contains several cones and craters in a widely scattered area.
Its summit is a vast undulated plateau containing circular craters near Komono-more and Mokko-dake in the center.
There are no historical eruptions from the volcanic group and the last activity is probably more than 7000 years ago, but there are still major major gas emissions around the Fukenoyu cone and active solfataras are found on the western and southern flanks.
Igneous or magmatic rocks: The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
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