Mount E
{{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
| photo =Esan.jpg
| photo_caption =
| elevation_m = 617.6
| elevation_ref = [http://watchizu.gsi.go.jp/watchizu.html?latitude=41.804722&longitude=141.166111 Geospatial Information Authority] topographic map 恵山
| prominence_m =
| prominence_ref=
| listing = List of mountains and hills of Japan by height
List of volcanoes in Japan
| language = Japanese
| 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}}
| topo = Geospatial Information Authority 25000:1 恵山
50000:1 尻屋崎
| type = Stratovolcano
| age = Pleistocene
| last_eruption = June 1874
| first_ascent =
| easiest_route =
}}
File:Esan Volcano & Esan-Maruyama Volcano, SRTM-1.jpg(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.{{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}}
Geology
Mount E consists of non-alkali, mafic, volcanic rock.{{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}} The andesitic volcano is topped with a lava dome.hchcyfgyy
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.{{cite gvp|vn=285011|title=Esan|accessdate=2010-04-22}}
The oldest recorded eruption started November 18, 1846. The eruption triggered lahars damaging several houses and causing fatalities.{{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}}
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.
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:Volcanoes of Hokkaido
Category:Geography of Hakodate
{{Hokkaido-geo-stub}}