, also , , or just is a
andesitic
Andesite () is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich rhyolite. It is fine-grained (aphanitic) to porphyritic in texture, and is composed predomina ...
stratovolcano
A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and per ...
on the border between
Mori
Mori is a Japanese and Italian surname, and also a Persian pet name for Morteza. It is also the name of two clans in Japan, and one clan in India.
Italian surname
*Barbara Mori, Uruguayan-Mexican actress
*Camilo Mori, Chilean painter
* Cesare ...
,
Shikabe, and
Nanae, all within the
Oshima Subprefecture
is a subprefecture of Hokkaido Prefecture, Japan. As of 2004 it had a population of 456,621 and an area of 3,715.38 km2.
Hakodate Airport is located in the City of Hakodate.
Geography
The subprefecture is located on the Oshima Penins ...
of
Hokkaidō
is Japan's second largest island and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by the undersea railway Seikan Tunnel.
The la ...
,
Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
.
Occurrence of volcanic activity started some 30,000 years ago. Following roughly 5,000 years of dormancy, volcanic activity at Mount Koma-ga-take restarted at the start of the 17th century, triggering the
Kan'ei Great Famine The Kan'ei Great Famine ( ') was a famine which affected Japan during the reign of Empress Meishō in the Edo period. The estimated number of deaths due to starvation is between 50,000 and 100,000. The famine is generally considered to have begun in ...
in 1640. Since then, there have been at least 50 recorded volcanic events at Mount Koma-ga-take.
[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. .]
File:Hokkaido-Komagatake Relief Map, SRTM-1.jpg, Relief Map
File:Red hokkaido komagadake from yakumo.jpg, Viewed from NW.
File:Hokkaido Komagatake.JPG, Viewed from ESE.
References
Geographical Survey Institute* ''Teikoku's Complete Atlas of Japan'', Teikoku Shoin Co., Ltd., Tokyo 1990,
External links
*
- Japan Meteorological Agency
* - Japan Meteorological Agency
- Geological Survey of Japan
Hokkaido-Komagatake- Smithsonian Institution: Global Volcanism Program
Volcanoes of Hokkaido
Mountains of Hokkaido
Pleistocene stratovolcanoes
Active volcanoes
Stratovolcanoes of Japan
{{Hokkaido-geo-stub