Earth:Mount Maru (Esan)

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Short description: Active stratovolcano on the island of Hokkaido, Japan
Mount Maru
丸山
Esan Volcano & Esan-Maruyama Volcano, SRTM-1.jpg
Esan-Maruyama Volcano (left)
Esan Volcano (lower right)
Highest point
Elevation691.1 m (2,267 ft) [1]
ListingList of mountains and hills of Japan by height
Coordinates [ ⚑ ] : 41°51′07″N 141°05′31″E / 41.85194°N 141.09194°E / 41.85194; 141.09194[1]
Naming
English translationround mountain
Language of nameJapanese
Geography
Mount Maru is located in Hokkaido
Mount Maru
Mount Maru
Location of Mount Maru in Japan
LocationHokkaido, Japan
Parent rangeKameda Peninsula
Topo mapGeospatial Information Authority 25000:1 尾札部
50000:1 尻屋崎
Geology
Age of rockLate Miocene to mid Pleistocene
Mountain typestratovolcano
Last eruption200 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

  1. 1.0 1.1 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. 3.0 3.1 "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. 

External links