{{Short description|Active stratovolcano on the island of Hokkaido, Japan}} {{distinguish|Sony E-mount{{!}}E-Mount}} {{Infobox mountain | name = Mount E | other_name = 恵山 | image = Esan.jpg | image_caption = | elevation_m = 617.6 | elevation_ref = <ref name="gsi">[http://watchizu.gsi.go.jp/watchizu.html?latitude=41.804722&longitude=141.166111 Geospatial Information Authority] topographic map 恵山</ref> | prominence_m = | prominence_ref = | listing = List of mountains and hills of Japan by height<br />List of volcanoes in Japan | language = Japanese | location = Hokkaido, Japan | range = Kameda Peninsula | map = Japan Hokkaido#Japan | range_coordinates = | map_caption = Location of Mount E in Japan. | label_position = right | coordinates = {{coord|41|48|17|N|141|09|58|E|type:mountain_region:JP-01_scale:100000|format=dms|display=inline,title}} | coordinates_ref = <ref name="gsi" /> | topo = Geospatial Information Authority 25000:1 恵山<br />50000:1 尻屋崎 | type = Stratovolcano | age = Pleistocene | volcanic_arc = Northeastern Japan Arc | last_eruption = June 1874 | first_ascent = | easiest_route = }} [[File:Esan Volcano & Esan-Maruyama Volcano, SRTM-1.jpg|thumb|Esan Volcano(lower right), Esan-Maruyama Volcano(left)]] {{nihongo|'''Mount E'''|恵山|E-san}} is an active stratovolcano of the Kameda peninsula, which is itself part of the larger Oshima Peninsula. It is in the rural, eastern region of Hakodate, Hokkaido, Japan. Mount E is part of Esan Prefectural Natural Park.<ref>{{cite web|url=http://www.pref.hokkaido.lg.jp/ks/skn/environ/parks/esan.htm|script-title=ja:恵山道立自然公園|publisher=HOKKAIDO Government|language=Japanese|accessdate=23 April 2010}}</ref>
==Geology== Mount E consists of non-alkali, mafic, volcanic rock.<ref name="seamless">{{cite web|url=http://riodb02.ibase.aist.go.jp/db084/kihon/hokkaido_e.xml|title=Hokkaido|date=Feb 18, 2010|work=Seamless digital geological map of Japan 1: 200,000.|publisher=The Geological Survey of Japan, AIST|accessdate=25 April 2010|archive-date=6 January 2013|archive-url=https://web.archive.org/web/20130106003942/http://riodb02.ibase.aist.go.jp/db084/kihon/hokkaido_e.xml|url-status=dead}}</ref> The andesitic volcano is topped with a lava dome.<ref name="smithsonian" /><ref name="qvoj" />
==Eruptive history== Mount E last erupted on June 8, 1874. This eruption consisted of phreatic explosions, and was rated a 1 on the VEI scale.<ref name="smithsonian">{{cite gvp|vn=285011|title=Esan|accessdate=2010-04-22}}</ref>
The oldest recorded eruption started November 18, 1846. The eruption triggered lahars damaging several houses and causing fatalities.<ref name="smithsonian" /><ref name="qvoj">{{cite web|url=http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/vol/185.htm|archive-url=https://archive.today/20121219043612/http://riodb02.ibase.aist.go.jp/strata/VOL_JP/EN/vol/185.htm|url-status=dead|archive-date=December 19, 2012|title=E-SAN|year=2006|work=Quaternary Volcanoes in Japan|publisher=Geological Survey of Japan, AIST|accessdate=25 April 2010}}</ref>
Radiocarbon dating and tephrochronology indicate five other eruptions predating the historical records in the approximate years 1350, 550 BC, 1050 BC, 3900 BC ±100 years, 7050 BC. The eruption in 7050 BC was the largest with a VEI of 3.<ref name="smithsonian" />
== References == {{reflist}}
== External links == {{commons category|Mount E}} * [http://www.data.jma.go.jp/svd/vois/data/sapporo/114_Esan/114_index.html Esan] - Japan Meteorological Agency {{in lang|ja}} * {{cite web|url= http://www.data.jma.go.jp/svd/vois/data/tokyo/STOCK/souran_eng/volcanoes/019_esan.pdf |title=Esan: National catalogue of the active volcanoes in Japan }} - Japan Meteorological Agency * [https://gbank.gsj.jp/volcano/Quat_Vol/volcano_data/C38.html Esan] - Geological Survey of Japan * [http://volcano.si.edu/volcano.cfm?vn=285011 Esan: Global Volcanism Program] - Smithsonian Institution
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{{DEFAULTSORT:E}} Category:Mountains of Hokkaido Category:Stratovolcanoes of Japan Category:VEI-3 volcanoes Category:Volcanoes of Hokkaido Category:Geography of Hakodate Category:Lava domes of Japan
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