Mount Maru (Esan)

Mount Maru
丸山
Mount Maru Location of Mount Maru in Japan.
Elevation	691.1 m (2,267 ft) [1]
Listing	List of mountains and hills of Japan by height
Translation	round mountain (Japanese)
Location
Location	Hokkaidō, Japan
Range	Kameda Peninsula
Coordinates	41°51′7″N 141°5′31″E / 41.85194°N 141.09194°E / 41.85194; 141.09194Coordinates: 41°51′7″N 141°5′31″E / 41.85194°N 141.09194°E / 41.85194; 141.09194[1]
Topo map	Geospatial Information Authority 25000:1 尾札部 50000:1 尻屋崎
Geology
Type	stratovolcano
Age of rock	Late Miocene to mid Pleistocene
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 thousand year ago.^[3]

References

1. ^ ^{a b} Geospatial Information Authority topographic map 尾札部
2. ^ "Hokkaido". Seamless digital geological map of Japan 1: 200,000.. The Geological Survey of Japan, AIST. Feb. 18, 2010. http://riodb02.ibase.aist.go.jp/db084/kihon/hokkaido_e.xml. Retrieved 29 April 2010. 
3. ^ ^{a b} "ESAN MARU-YAMA". Quaternary Volcanoes in Japan. Geological Survey of Japan, AIST. http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/vol/185b.htm. Retrieved 29 April 2010.