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Mount Maru
Mount Maru
丸山
	Esan-Maruyama Volcano (left); Esan Volcano (lower right)
Highest point
Elevation	691.1 m (2,267 ft)
Listing	List of mountains and hills of Japan by height
Coordinates	41°51′07″N 141°05′31″E / 41.85194°N 141.09194°E
Naming
English translation	round mountain
Language of name	Japanese
Geography
	Mount Maru Location of Mount Maru in Japan
Location	Hokkaido, Japan
Parent range	Kameda Peninsula
Topo map(s)	Geospatial Information Authority 25000:1 尾札部; 50000:1 尻屋崎
Geology
Rock age	Late Miocene to mid Pleistocene
Mountain type	stratovolcano
Last eruption	200 thousand years ago

Mount Maru (丸山, Maru-yama) is an active stratovolcano of the Kameda peninsula. It is located in Hakodate, Hokkaidō, Japan. Mount Maru is also known as Esan Maruyama (恵山丸山) to distinguish it from other Mount Maru's and because of its close association with nearby Mount E.

Geology

Mount Maru consists of non-alkali, mafic, volcanic rock.^[2] The andesitic volcano is topped with a lava dome.^[3]

Eruptive history

Mount Maru was last active some 200,000 years ago.^[3]

References

^ ^a ^b Geospatial Information Authority topographic map 尾札部
^ "Hokkaido". Seamless digital geological map of Japan 1: 200,000. The Geological Survey of Japan, AIST. 18 February 2010. Retrieved 29 April 2010.
^ ^a ^b "ESAN MARU-YAMA". Quaternary Volcanoes in Japan. Geological Survey of Japan, AIST. Archived from the original on 19 December 2012. Retrieved 29 April 2010.