Shikotsu Volcano | John Seach

john

Hokkaido, Japan

42.70 N, 141.33 E
summit elevation 1320 m
caldera

Shikotsu Volcano is composed of a 15 x 13 km diameter caldera. The caldera contains Japan's northernmost lake which doesn't feeeze in winter (Lake Shikotsu-ko).
The lake is 360 m deep and has 25 m underwater visibility.
In winter the Chitose-Shikotsuko-Hyobaku-matsuri Festival (Ice Fall Festival) features objects made out of ice from the lake water.

Further Reading
Yamagata, K., 1994. Tephrochronological study on the Shikotsu and Kuttara volcanoes in southwestern Hokkaido, Japan. Journal of Geography (Chigaku Zasshi), 103(3), pp.268-285.

Shikotsu Volcano Eruptions

1981, 1978-79, 1978, 1954-55, 1954, 1953, 1951, 1951, 1944, 1936, 1936, 1933, 1931, 1928-29, 1928, 1926, 1923, 1921, 1920, 1919, 1918, 1917, 1909, 1894, 1894, 1887, 1886, 1885, 1883, 1874, 1871?, 1867, 1804-17, 1739, 1667.