Mount Usu : Wikipedia, the free encyclopedia

Mount Usu

Active volcano in Hokkaido, Japan

Mount Usu

Hokkaidō, Japan

Parent rangeNasu Volcanic ZoneTopo mapGeographical Survey Institute 25,000:1 壮瞥, 50,000:1 虻田GeologyMountain typeStratovolcanoType of rockBasalt, Andesite, Dacite and Rhyolite^[2]Volcanic arc/beltNortheast Japan ArcLast eruptionMarch 2000 to September 2001^[2]

Mount Usu (有珠山, Usu-zan^[3]) is an active stratovolcano in the Shikotsu-Tōya National Park, Hokkaido, Japan. It has erupted four times since 1900: in 1910 (which created Meiji-shinzan^[4]), 1944–45 (which created Shōwa-shinzan), August 7, 1977,^[5] and on March 31, 2000. To the north lies Lake Tōya. Mount Usu formed on the southern rim of the caldera containing the lake.

Mount Usu and Shōwa-shinzan are major tourist attractions in the Shikotsu-Tōya National Park. A rope-way on Mount Usu takes visitors to viewing platforms overlooking Shōwa-shinzan. The 1977 eruption is mentioned in passing in Alan Booth's travelogue, The Roads to Sata. The 2008 G8 Summit was held near Mount Usu at Lake Tōya.^[6]

Tōya caldera &
Mount Usu (bottom)
Mount Usu
Tōya caldera & Usu volcano
Mountaintop Crater
East side

References

^ ^a ^b "Topographic map of Mount Usu". opentopomap.org. Retrieved 2023-06-20.
^ ^a ^b ^c "Toya". Global Volcanism Program. Smithsonian Institution. Retrieved 2021-06-25.
^ Teikoku's Complete Atlas of Japan, Teikoku-Shoin Co., Ltd., ISBN 4-8071-0004-1
^ 神沼克伊,小山悦郎 日本の火山を科学する　日本列島津々浦々、あなたの身近にある108の活火山とは？ ソフトバンククリエイティブ 2011. ISBN 978-4797361308.
^ "The 1977–78 Eruptions at the Mountain Peak and Ground Deformation". Archived from the original on 2010-10-12. Retrieved 2010-10-28. Last access 28 October 2010.
^ "Japan's Selects Hokkaido for 2008 Summit". University of Toronto. Retrieved 28 May 2008.

External links

Wikimedia Commons has media related to Mount Usu.

Usuzan—Japan Meteorological Agency (in Japanese)
"15. Usuzan" (PDF). National Catalogue of the Active Volcanoes in Japan. Japan Meteorological Agency.
Usu Volcano—Geological Survey of Japan
Toya-Usu UNESCO Global Geopark