Mount Hakone

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Mount Hakone

Coordinates: 35°13′48″N 139°01′26″E / 35.230°N 139.024°E

From Wikipedia, the free encyclopedia

Mount Hakone
Hakone volcano from the SW.
Highest point
Elevation	1,438 metres (4,718 ft)
Coordinates	35°13′48″N 139°01′26″E / 35.230°N 139.024°E / 35.230; 139.024^[1]
Naming
Native name	箱根山 (Japanese)
Geography
Mount Hakone Hakone, Kanagawa Prefecture, Honshu Show map of Japan Mount Hakone Mount Hakone (Kanto Area) Show map of Kanto Area Mount Hakone Mount Hakone (Kanagawa Prefecture) Show map of Kanagawa Prefecture
Geology
Mountain type	Complex calderas
Last eruption	June to July 2015^[1]

Mount Hakone (箱根山, Hakoneyama), with its highest peak Mount Kami (1,438 meters), is a complex volcano in Kanagawa Prefecture, Japan that is truncated by two overlapping calderas, the largest of which is 10 × 11 km wide. The calderas were formed as a result of two major explosive eruptions about 180,000 and 49,000–60,000 years ago. Lake Ashi lies between the southwestern caldera wall and a half dozen post-caldera lava domes that arose along a southwest–northeastern trend cutting through the center of the calderas. Dome growth occurred progressively to the south, and the largest and youngest of them, Mount Kami, forms the high point of Hakone. The calderas are breached to the east by the Haya River canyon. Mount Ashigara is a parasitic cone.^[1]

The latest magmatic eruptive activity at Hakone occurred 2,900 years ago. It produced a pyroclastic flow and a lava dome in the explosion crater, although phreatic eruptions took place as recently as the 12–13th centuries AD.^[1]

According to the nearby Hakone Shrine, the Komagatake peak has been the object of religious veneration since ancient times.^[2]

History

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The geological history of Mount Hakone, has been researched by Dr. Hisashi Kuno et al., with Mount Hakone, located in Hakone, Kanagawa, Japan, as a volcano from the Quaternary period.

Mount Hakone started about 500,000 years ago with the eruptions, that created Mount Kintoki and Mount Myōjō on the current "Old outer rim"; and the subsequent eruptions about 160,000 years ago made the "New outer rim", on which are Mount Sengen [ja] and Mount Takanosu (Kanagawa).

From 50,000 years ago, new eruptions further created in the "Central volcanic cones" Mount Kami (35°14′00″N 139°01′14″E / 35.233333°N 139.020556°E / 35.233333; 139.020556), the highest peak in Hakone, Mount Koma and other peaks; and about 300,000 years ago, the lava domes such as Mount Futago emerged.

Later about 3,000 years ago, the phreatic eruption on the northwest side of Mount Kami caused landslides, creating the Owakudani and, in the huge caldera, the Sengokuhara and Lake Ashi.^[3]^[4]

Gallery

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Topographic map
The central cones of Mount Hakone: Mounts Kami, Kanmuri, Koma, Futago, etc.
Lake Ashi viewed from the central cone of Mt. Komagatake's lava dome.

References

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^ ^a ^b ^c ^d "Hakoneyama". Global Volcanism Program. Smithsonian Institution. Retrieved 2015-05-07.
^ 御際神、由緒、例祭日 [Gods worshipped, origins, ceremony days] (in Japanese). Hakone Shrine. Retrieved 7 December 2017.
^ History of Mount Hakone (Hakone, Kanagawa) (in Japanese)
^ Chronology of Mount Hakone (Hakone, Kanagawa) (in Japanese)]

External links

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Wikimedia Commons has media related to Mount Hakone.

Hakoneyama - Japan Meteorological Agency (in Japanese)
"Hakoneyama: National catalogue of the active volcanoes in Japan" (PDF). - Japan Meteorological Agency
Hakone Volcano Group - Geological Survey of Japan
Hakoneyama: Global Volcanism Program - Smithsonian Institution
Hakone Geopark(in Japanese)

v t e Mount Hakone
Central volcanic peaks	Mount Futago - Mount Koma - Mount Kami - Mount Kanmuri
New outer rim	Mount Takanosu (Kanagawa)
Old outer rim	Hakone Pass - Mount Kintoki - Mount Myōjin (Kanagawa) - Mount Myōjō
Makuyama volcanos	Mount Maku - Mount Nangō
Other features	Ōwakudani - Sengokuhara - Lake Ashi - Haya River - Fukara Aqueduct
Nearby places	Mount Fuji - Mount Ashitaka - Sagami Bay - Manazuru Peninsula - Izu Peninsula
See also	Fuji-Hakone-Izu National Park - Hakone Onsen - History of Mount Hakone

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